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20SC21-00 E7 User Manual - Diamond Point International

1. Pin Signal Pin Signal Mechanical Key 15 GND 13 REFCLK 14 UIM_RST 11 REFCLK 12 UIM_CLK 9 GND 10 UIM_DATA 7 CLKREQ 8 UIM_PWR 5 Reserved 6 1 5V 3 Reserved 4 GND 1 WAKE 2 3 3Vaux Table 6 Signal mnemonics of 52 pin PCI Express Mini Card connector Signal Direction Function Power GND Ground 3 3Vaux out 3 3V source 1 5V out 1 5V source SIM card UIM PWR out SIM card power UIM DATA in out SIM card data UIM CLK out SIM card clock UIM_RST out SIM card reset PCI REFCLK REF in PCI Express differential reference Express CLK clock PERnO PERpO out PCI Express receive signals PETnO PETpO in PCI Express transmit signals Auxiliary CLKREQ out Clock request Signals PERST in Reset for the Mini Card WAKE out Wake signal SMB_CLK in System management bus clock SMB_DATA in out System management bus data USB USB_D in out USB line USB_D in out USB line Please refer to the PCI Express Mini Card Specification for further details See Chapter 6 1 Literature and Web Resources on page 68 MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Functional Description 2 9 Graphics 2 10 LVDS Interfaces The SC21 provides up to two LVDS interfaces with a 112 MHz maximum pixel clock The default one is a 4 bit LVDS interface and supports a resolution of up to 1366x768 pixels while the optional 8 bit LVDS interface goes up to
2. Address Range Function OxE0000 0xEFFFF System board OxF0000 0xFFFFF PCI bus OxF0000 0xFFFFF System board 0x100000 0x1F5DFFFF System board Ox1F5E0000 0x1F5FFFFF System board Ox1F600000 0x1F6FFFFF System board Ox1F700000 0xFEBFFFFF PCI bus 5 0 2 I O Memory Map Table 40 Memory map I O Address Range Function 0x00000000 0x00000CF7 PCI bus 0x00000000 0x00000CF7 DMA controller 0x00000010 0x0000001F Motherboard resources 0x00000020 0x00000021 Programmable interrupt controller 0x00000022 0x0000003F Motherboard resources 0x00000040 0x00000043 System timer 0x00000044 0x0000005F Motherboard resources 0x00000061 0x00000061 Standard speaker sound 0x00000062 0x00000063 Motherboard resources 0x00000065 0x0000006F Motherboard resources 0x00000070 0x00000073 System CMOS real time clock 0x00000074 0x0000007F Motherboard resources 0x00000080 0x00000090 DMA controller 0x00000091 0x00000093 Motherboard resources 0x00000094 0x0000009F DMA controller 0x000000A0 0x000000A1 Programmable interrupt controller 0x000000A2 0x000000BF Motherboard resources 0x000000C0 0x000000DF DMA controller 0x000000E0 0x000000EF Motherboard resources 0x000000F0 0x000000FF Numerical coprocessor 0x00000170 0x00000177 Secondary IDE channel 0x000001CE 0x000001CF VgaSave 0x000001F0 0x000001F7 Primary IDE channel 0x00000274 0x00000277 ISAPnP data read port 0x00000279 0x00000279 ISAPnP data read port
3. Fb Previous Values F6 BIOS Default Values F Last Saved Values Date mm dd yy Description Change the day month year and century Options mm Month dd Day yy Year Time hh mm ss Description Change the internal clock Options hh mm _ Minutes Hours SS Seconds MEN Mikro Elektronik GmbH 47 20SC21 00 E7 2012 10 04 BIOS IDE Channel 0 1 Master Slave Sub menu IDE HDD Auto Detection Press Enter IDE Channel O Master Auto Access Mode Auto Capacity 0 MB Cylinder 0 Head 0 Precomp 0 Landing Zone 0 Sector 0 IDE HDD Auto Detection Description Auto detects the HDD s size head etc on this channel Options None IDE Channel 0 1 Master Slave Options None Manual Auto Access Mode Options CHS Large LBA Auto Capacity Cylinder Head Precomp Landing Zone Sector Options None Base Memory Extended Memory Total Memory Description You cannot change any values in the Memory fields They are only for information MEN Mikro Elektronik GmbH 48 20SC21 00 E7 2012 10 04 BIOS 4 3 Advanced BIOS Features Phoenix AwardBIOS CMOS Setup Utility Advanced BIOS Features gt CPU Feature Press Enter Item Help Hard Disk Boot Priority Press Enter CPU L1 amp L2 Cache Enabled Menu Level gt Hyper Threading Technology Enabled Quick Power On Self Test Enabled First Boot Device Hard Disk Second Boot Device LZIP100 Third Boot Device LS1
4. 12V Backlight inverter supply System GND System GND E3 EJ E3 E3 C3 E3 C3 E93 E93 C3 EJ o AN DOA A OON HG o L o 2 11 Brightness Sensor optional As an option the SC21 can be equipped with a photo diode as brightness sensor for environmental light using an optical fiber led to e g the unit s display frame The brightness sensor is suitable for all plastic fibre optic cables with an outer diameter of 2 2 mm and a fibre diameter of 1 mm As an alternative a cabled photo diode can also be used MEN Mikro Elektronik GmbH 28 20SC21 00 E7 2012 10 04 Functional Description 2 12 USB Interface The SC21 provides two USB 2 0 interfaces at the connector board They are controlled by one EHCI controller for USB 2 0 in the System Controller Hub The ports also support USB 1 1 Connector types 4 pin USB Series A receptacle according to Universal Serial Bus Specification Revision 1 0 Mating connector 4 pin USB Series A plug according to Universal Serial Bus Specification Revi sion 1 0 Table 12 Pin assignment of USB front panel connectors 45V 7 2 USB_D 3 USB_D 4 GND MEN Mikro Elektronik Gm4 ee t T TL 29 20SC21 00 E7 2012 10 04 Functional Description 2 13 Ethernet Interface The SC21 comes with two Fast Ethernet ports with switch functionality They are available through standard RJ45 connectors Both half and full duplex mode are supported Switc
5. operating temperature range of 30 to 70 C Table 36 Temperature representation Value Temperature 0x22 10 C 0x2a 0 C 0x55 50 C 3 3 10 Display Backlight Power and Brightness Control The microcontroller can control the display s backlight brightness and switch the display backlight power on and off i e to prevent display operation outside its specified temperature ranges The brightness is controlled using a PWM that can be adjusted in 0 5 steps by using values from 0x00 to 0xC8 0 to 200 The XCO02C INIT DS command is used to control whether the display is switched on immediate after power on or whether it remains dark until the user application switches it on with a XCO2C SW DISP command This silent boot feature allows application testing and entering values in the BIOS of the onboard CPU When the application is deployed the initial display state can be set to off so that BIOS and OS boot messages do not appear in the field MEN Mikro Elektronik GmbH 44 20SC21 00 E7 2012 10 04 Firmware Functions Table 37 SMBus commands for display control Command Data In Name Code Range Type Description XCO2C SET BR 0x17 0x00 r w Set get brightness level 0xC8 XCO2C SW DISP 0x20 0x00 r w Switch display on 1 0x01 or off 0 XCO2C BR SRC 0x19 0x00 r w Brightness source 0x01 SMB command 0 Photo diode 1 XCO2C INIT DS 0x25 0x00 r w Initial display state 0x01 at pow
6. 0x000002 E8 0x000002EF VgaSave 0x00000376 0x00000376 Secondary IDE channel MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Organization of the Board Address Range Function 0x000003B0 0x000003BB VgaSave 0x000003C0 0x000003DF VgaSave 0x000003F6 0x000003F6 Primary IDE channel 0x000004D0 0x000004D1 Motherboard resources 0x00000880 0x0000088F Motherboard resources 0x00000900 0x000009BF Motherboard resources 0x00000A79 0x00000A79 ISAPnP data read port 0x00000D00 0x0000FFFF PCI bus 0x0000D000 0x0000DFFF PCI standard PCI to PCI bridge 0x0000E000 0x0000EFFF PCI standard PCI to PCI bridge 0x0000EF00 0x0000EF1F Intel R 82574L Gigabit Network Connection 3 0x0000FB00 0x0000FBOF Standard dual channel PCI IDE controller 0x0000FC00 0x0000FCIF Standard PCI to USB universal host controller 0x0000FD00 0x0000FDIF Standard PCI to USB universal host controller 0x0000FE00 0x0000FEITF Standard PCI to USB universal host controller 0x0000FF00 0x0000FF07 Video controller VGA compatible 5 1 PCI Devices Table 41 PCI Devices Device Device Bus Number Function Vendor ID Device ID Function 0 0x00 0x0 0x8086 0x8100 Host bridge 0 0x02 0x0 0x8086 0x8108 Display Controller 0 Ox1A 0x00 0x8086 0x8118 USB Client Controller 0 Ox1B 0x00 0x8086 0x811B HD Audio Controller 0 Ox1C 0x00 0x8086 0x8110 PCI Exp
7. 1920x1200 The connector type is the 25 pin right angle DF14 25P 1 25H from Hirose Table 7 Primary LVDS pin assignment Pin Name Description Polarity 1 VDD Power supply 3 3V nom 2 VDD Power supply 3 3V nom 3 GND Ground 4 GND Ground 5 LVDS DATA 3 LVDS differential data link 3 Positive 6 LVDS DATA S LVDS differential data link 3 Negative 7 LVDS_CLK LVDS differential clock Positive 8 LVDS_CLK LVDS differential clock Negative 9 LVDS DATA 2 LVDS differential data link 2 Positive 10 LVDS_DATA 2 LVDS differential data link 2 Negative 11 LVDS DATA 1 LVDS differential data link 1 Positive 12 LVDS DATA 1 LVDS differential data link 1 Negative 13 LVDS DATA O LVDS differential data link 0 Positive 14 LVDS DATA O LVDS differential data link 0 Negative 15 GND Ground H D H H H H o H H H H H H H H o H D H H H o H H H 16 GND Ground 17 GND Ground 18 GND Ground 19 GND Ground 20 GND Ground 21 GND Ground 22 GND Ground 23 GND Ground 24 GND Ground 25 BL_ON Backlight on 3 3V MP1 NC Not connected MP2 NC Not connected MEN Mikro Elektronik GmbH 25 20SC21 00 E7 2012 10 04 Functional Description Table 8 Secondary LVDS pin assignment Pin Name Description
8. 5 SMBus On Acknowledge on page 39 for details Table 20 SMBus commands for the watchdog function Command Data me Name Code Range Type Description XCO2C WDOG STATE 0x05 0x00 r w Watchdog state 0x01 XCO2C WDOG TRIG 0x06 0 w Watchdog trigger signal XCO2C WDOG TOUT 0x07 0x01 rw Watchdog timeout OxFF in 100ms steps XCO2C WDOG ERR 0x08 0x00 r Number of missing 0x04 on watchdog trigger signals MEN Mikro Elektronik GmbH 36 20SC21 00 E7 2012 10 04 Firmware Functions Table 21 SMBus command XCO2C WDOG TOUT Value Watchdog Timeout 1 100 ms 2 200 ms 3 300 ms 255 25 5 s default 3 2 1 Available Functions The PMC supports the following functions Power up down supervision Adjustable power up wake on time Watchdog functionality Binary I O access Temperature and voltage monitoring Brightness control MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Firmware Functions 3 3 SMBus Functionality 3 3 1 SMBus Interface The SC21 s internal power supply supports SMBus slave device functionality The 7 bit SMBus address of the power supply unit is 0x09 Its microcontroller behaves according to the SMBus Specification Version 2 0 The supported SMBus commands and their functions are explained in the following chapters The commandis are listed by their unique name The Data Range column lists the valid range of the data byte fo
9. Disabled Watchdog Description If the watchdog is active the system will be rebooted after the configured time when no application triggers the watchdog Options Disabled 1 min 2 min 5 min 10 min 15 min 20 min 30 min Onboard LAN 1 Controller Description Enables disables the onboard LAN controller by setting this item to the desired value Options Enabled Disabled PCI Express Root Port Func Sub menu ICI Express Pol 1 Auto PCI Express Port 2 Auto PCI Express Port 1 2 Description Controls the activity ofthe PCI Express ports Options Enabled Disabled Auto MEN Mikro Elektronik GmbH 56 20SC21 00 E7 2012 10 04 BIOS USB Device Setting Sub menu USB 1 0 Controller Enabled USB 2 0 Controller Enabled USB Operation Mode High Speed USB Keyboard Function Enabled USB Storage Function Enabled USB Mass Storage Device Boot Setting Intel Value SSD 2 00 Auto Mode Intel Value SSD 2 00 Auto Mode SanDisk Cruzer Micro 0 1 Auto Mode USB 1 0 Controller Description Enables disables the Universal Host Controller interface for USB Options Enabled Disabled USB 2 0 Controller Description Enables disables the Enhanced Host Controller interface for USB Options Enabled Disabled USB Operation Mode Description Auto selects USB device operation mode Options High Speed If the USB device is a high speed device it operates in high speed mode If the USB device is a full low speed
10. Polarity 1 VDD Power supply 3 3V nom 2 VDD Power supply 3 3V nom 3 GND Ground 4 GND Ground 5 LVDS_OPT_DATA 3 LVDS differential data link 3 Positive 6 LVDS OPT DATA 3 LVDS differential data link 3 Negative 7 LVDS_OPT_CLK LVDS differential clock 1st pixel Positive H 8 LVDS OPT CLK LVDS differential clock 1st pixel Negative 9 LVDS_OPT_DATA 2 LVDS differential data link 2 Positive 10 LVDS_OPT_DATA 2 LVDS differential data link 2 Negative D 11 LVDS_OPT_DATA 1 LVDS differential data link 1 Positive 12 LVDS_OPT_DATA 1 LVDS differential data link 1 Negative D 13 LVDS_OPT_DATA 0 LVDS differential data link O Positive 14 LVDS_OPT_DATAJ0 LVDS differential data link O Negative 15 LVDS OPT DATA 7 LVDS differential data link 7 Positive B 16 LVDS_OPT_DATA 7 LVDS differential data link 7 Negative 17 LVDS_OPT_CLK 2 LVDS differential clock 2nd pixel Positive D 18 LVDS OPT CLK 2 LVDS differential clock 2nd pixel Negative 19 LVDS_OPT_DATA 6 LVDS differential data link 6 Positive T 20 LVDS_OPT_DATA 6 LVDS differential data link 6 Negative 21 LVDS_OPT_DATA 5 LVDS differential data link 5 Positive B 22 LVDS OPT DATA S5 LVDS differential data link 5 Negative 23 LVDS_OPT_DATA 4 LVDS differential data link 4 Positive 24 LVDS OPT DATA 4 LVDS differential data link 4 Negative 25 BL ON Backlight on 3 3V MP1 INC Not connected MP2 NC Not connected MEN Mikro Ele
11. Revision and Serial Number on page 69 MEN Mikro Elektronik GmbH 30 20SC21 00 E7 2012 10 04 Functional Description 2 14 Ethernet and General Status LEDs The SC21 provides a total of eight status LEDs Two status LEDs are available for each Ethernet channel They signal the link and activity status different LED behavior can be realized on demand The other four LEDs are general status LEDs connected to the system s board management controllers The red status LED is switched on when the BIOS starts switched off when the board is switched off and flashing when the board is in stand by S3 status It is also used to display error messages in case of a board failure see Table 15 Error codes signaled by BMC via LED flashes red BMC 2 status LED During normal operation the red status LED can be switched on and off via the MEN driver for the XMO1BC board controller The second BMC status LED is yellow and lights up when the input voltage is within valid range It will blink slowly to indicate an automatic shutdown of the system in case of excessive input voltage or temperature levels It is controlled by the XC02BC board controller The remaining two LEDs are yellow and can be used freely depending on an application s requirements Figure 4 Position of Ethernet and general status LEDs on connector board V MV 2x Ethernet 2x USB 10 pin power connector w binary inputs Table 14 Ethernet and general status LEDs fro
12. and XCO2C WOT H build a default 45d 12h 15m 16 bit value which represents the time in minutes A user application that shall switch on the SC21 on a given date and time needs to calculate the amount of minutes between shutdown and desired wake time MEN Mikro Elektronik GmbH 38 20SC21 00 E7 2012 10 04 Firmware Functions 3 3 3 Status of Binary Inputs The status of the binary inputs is also signaled via SMBus commands See Table 24 SMBus commands for binary inputs status on page 39 Table 24 SMBus commands for binary inputs status Command Data Name Code Range Type Description XCO2C IN OxOE 0x00 r State of binary inputs Ox1F The binary inputs represent the status of the key input and the 4 geographical address inputs that allow a user application to find out e g where in a train an SC21 is located 3 3 4 Key Input One of the binary inputs serves as an on off input When this signal is passive open during power up of the input voltage the system is not supplied with power When this signals goes active the microcontroller switches the power supply to provide the system with power Regardless of the key input signal the DC DC converter and the microcontroller are always supplied with power when the input voltage is connected Note that key input functionality is only available when using a customized power supply as the key input signal from the included external power supply i
13. even if such claim alleges that MEN was negligent regarding the design or manufacture of the part In no case is MEN liable for the correct function of the technical installation where MEN products are a part of Trademarks All products or services mentioned in this publication are identified by the trademarks service marks or product names as designated by the companies which market those products The trademarks and registered trademarks are held by the companies producing them Inquiries concerning such trademarks should be made directly to those companies Conformity MEN products are no ready made products for end users They are tested according to the standards given in the Technical Data and thus enable you to achieve certification of the product according to the standards applicable in your field of application MEN Mikro Elektronik GmbH 10 20SC21 00 E7 2012 10 04 About this Document RoHS Since July 1 2006 all MEN standard products comply with RoHS legislation Since January 2005 the SMD and manual soldering processes at MEN have already been completely lead free Between June 2004 and June 30 2006 MEN s selected component suppliers have changed delivery to RoHS compliant parts During this period any change and status was traceable through the MEN ERP system and the boards gradually became RoHS compliant WEEE Application The WEEE directive does not apply to fixed industrial plants and tools The compliance is the res
14. iol unh edu services testing ethernet training 6 1 5 HD Audio ntel High Definition Audio www intel com design chipsets hdaudio htm MEN Mikro Elektronik GmbH 66 20SC21 00 E7 2012 10 04 Appendix 6 1 6 PCI Express PCI Express Base Specification Revision 1 0 April 29 2002 PCI Special Interest Group www pcisig com 6 1 7 PCI Express Mini Card PCI Express Mini Card Electromechanical Specification Revision 1 2 October 26 2007 PCI Special Interest Group www pcisig com 6 2 Finding out the Product s Article Number Revision and Serial Number MEN user documentation may describe several different models and or design revisions of the SC21 You can find information on the article number the design revision and the serial number on two labels attached to the board Article number Gives the product s family and model This is also MEN s ordering number To be complete it must have 9 characters Revision number Gives the design revision of the product Serial number Unique identification assigned during production If you need support you should communicate these numbers to MEN Figure 7 Labels giving the product s article number revision and serial number Complete article number 08SC21 00 00 00 00 Revision number Serial number MEN Mikro Elektronik GmbH 69 20SC21 00 E7 2012 10 04
15. results of any actions taken on the basis of information in the publication nor for any error in or omission from the publication and 2 MEN is not engaged in rendering technical or other advice or services MEN expressly disclaims all and any liability and responsibility to any person whether a reader of the publication or not in respect of anything and of the consequences of anything done or omitted to be done by any such person in reliance whether wholly or partially on the whole or any part of the contents of the publication Conditions for Use Field of Application The correct function of MEN products in mission critical and life critical applications is limited to the environmental specification given for each product in the technical user manual The correct function of MEN products under extended environmental conditions is limited to the individual requirement specification and subsequent validation documents for each product for the applicable use case and has to be agreed upon in writing by MEN and the customer Should the customer purchase or use MEN products for any unintended or unauthorized application the customer shall indemnify and hold MEN and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim or personal injury or death associated with such unintended or unauthorized use
16. that the IGND described above is separated from the system GND by a 2 1 2 Binary inputs The SC21 provides 4 binary inputs The maximum input voltage is 36 VDC The threshold voltage is 6 V The binary inputs are protected via suppressor diodes To provide a simple circuit the inputs are realized without galvanic isolation The binary inputs are connected to the BMC ESD and burst protection according to EN 50155 is guaranteed To provide a coding function with the binary inputs the supply voltage is connectable to the binary inputs with a cable bridge on the connector MEN Mikro Elektronik GmbH 18 20SC21 00 E7 2012 10 04 Functional Description tt 3 64 2 2 Board Supervision The SC21 provides an intelligent board management controller BMC with the following main features Board power sequencing control Voltage supervision System watchdog Software reset functionality Error state logging Power mode settings SMBus communication with main CPU The watchdog device monitors the board on operating system level If enabled the watchdog must be triggered by application software If the trigger is overdue the watchdog initiates a board reset and this way can put the system back into operation when the software hangs The watchdog uses a configurable time interval or is disabled Settings are made through BIOS or via an MEN software driver In addition the SC21 uses a National LM95245 device to meas
17. used but a long latency can also reduce performance as the other PCI devices queuing up may be stalled for too long The optimum latency time depends on your system configuration Decimal value between 0 and 255 Maximum Payload Size Description Sets the maximum TLP payload size for the PCI Express devices Options MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 The unit is byte 128 BIOS 4 8 PC Health Status Phoenix AwardBIOS CMOS Setup Utility PC Health Status Current System Temp 41 C Item Help Current CPUl Temperature SHet ee rer re er ee en Menu Level gt F5 Previous Values F6 BIOS Default Values F7 Last Saved Values Current System Temp Current CPU1 Temperature Description These values are read only values as monitored by the system 4 9 Frequency Voltage Control Phoenix AwardBIOS CMOS Setup Utility Frequency Voltage Control Spread Spectrum Enabled Item Help XPD Clock Dysebledl leseeseeseseee209999292 2 Menu Level gt F5 Previous Values F6 BIOS Default Values F7 Last Saved Values Spread Spectrum Description Sets the value of the spread spectrum If enabled this setting improves CE behavior Options Disabled Enabled XPD Clock Description Enables the clock for the debug connector Options Disabled Enabled MEN Mikro ElektronikGmbH 2 ee eerie 62 20SC21 00 E7 2012 10 04 BIOS 4 10 Load Fail Safe Defaults If this optio
18. 1 00 E7 2012 10 04 Figures Fisure l Map of the DO3t 295a 22220420 e ed pna oot eco s iaa 16 pugure 2 Coding COBDeG OE i i es rome rrsbpr pP REL e eR Ee 19 Figure 3 Optional mounting screw hole on standard heat sink 20 Figure 4 Position of Ethernet and general status LEDs on connector board 31 Figure 5 Position of I2C and touch interface connectors on connector PCB 33 Figure 6 Microcontroller block diagram lsle eese 35 Figure 7 Labels giving the product s article number revision and Senlal number sa sated Acad ee BE nn baba dd pad d uod 69 Tables Table 1 Power supply VCC coding connector pin assignment 18 Table 2 Processor core options on 8C21 sss Rr Ry Rae 20 Table3 Pinassisnment of SATA connector es coh eme 22 Table 4 Signal mnemonics of SATA connector 002000005 22 Table 5 Pin assignment of 52 pin PCI Express Mini Card connector 23 Table 6 Signal mnemonics of 52 pin PCI Express Mini Card connector 24 Table 7 Primary LVDS pin assignment ieee crececrireroneereisi ess 25 Table8 Secondary LVDS pin assignment eese 26 Table 9 Optional secondary LVDS pin assignment 27 Table 10 Primary LVDS backlight connector pin assignment 28 Table 11 Secondary LVDS backlight connector pin assignment 28 Table 12 Pin assignment of USB front panel connectors 29 Table 13 Pin as
19. 16 Intel R 82574L Gigabit Network Connection 3 IRQ 16 Standard PCI to USB universal host controller IRQ 17 PCI standard PCl to PCl bridge IRQ 17 Standard PCI to USB universal host controller IRQ 18 Standard PCI to USB universal host controller IRQ 19 Standard extended PCI to USB universal host controller MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Appendix 6 Appendix 6 1 Literature and Web Resources SC21 data sheet with up to date information and documentation www men de products 08SC21 html 6 1 1 CPU Intel Processors www intel com 6 1 2 SATA Serial ATA International Organization SATA IO www serialata org 6 1 3 USB USB Universal Serial Bus Specification Revision 1 0 1996 Compaq Digital Equip ment Corporation IBM PC Company Intel Microsoft NEC Northern Telecom www usb org 6 1 4 Ethernet ANSI IEEE 802 3 1996 Information Technology Telecommunications and Information Exchange between Systems Local and Metropolitan Area Net works Specific Requirements Part 3 Carrier Sense Multiple Access with Col lision Detection CSMA CD Access Method and Physical Layer Specifications 1996 IEEE www ieee org Charles Spurgeon s Ethernet Web Site Extensive information about Ethernet IEEE 802 3 local area network LAN technology www ethermanage com ethernet InterOperability Laboratory University of New Hampshire This page covers general Ethernet technology www
20. 20 Boot Other Device Enabled LAN Boot ROM Disabled Boot Up NumLock Status On Security Option Setup x APIC Mode Enabled PS Version Control For OS 1 4 OS Select For DRAM gt 64MB Non 0S2 HDD S M A R T Capability Disabled Full Screen LOGO Show Disabled Summary Screen Show Disabled F5 Previous Values EOR BIOS Default Values CPU Feature Sub menu Thermal Management Limit CPUID MaxVal C1E Function CPU C State Capability On Demand TCC Execute Disable Bit Thermal Disabled Disabled Disabled Disabled Enabled F7 Last Saved Values Monitor 2 Virtualization Technology Enabled Thermal Management Description Shows the active thermal management Options On die throttling Ratio amp VID transition Thermal Monitor 1 Thermal Monitor 2 TM1 TM2 enabled Disabled Limit CPUID MaxVal Description Set Limit CPUID MaxVal to 3 should be disabled for WinXP Options Disabled Enabled C1E Function Description Enables the Enhanced Halt State for power saving Options Disabled Auto MEN Mikro Elektronik GmbH 49 20SC21 00 E7 2012 10 04 BIOS CPU C State Capability Description User can select the lowest C state supported according to CPU and MB Options Disabled C2 C4 C6 On Demand TCC Description When enabled it indicates the clock on to clock off interval ratio Options Disable 50 0 12 5 62 5 25 0 75 0 375 875 Execute Dis
21. 20SC21 00 E7 2012 10 04 C21 Intel Atom SBC for Intelligent Displays 1113 Configuration example User Manual men mikro elektronik gmbh n rnberg SC21 Intel Atom SBC for Intelligent Displays SC21 Intel Atom SBC for Intelligent Displays The SC21 is a rugged fanless and maintenance free single board computer for intelligent display devices e g for infotainment purposes in trains public buses or airplanes Its small size makes it suitable for display devices with TFT LCD panels as small as 10 4 The SC21 is controlled by the Intel Atom XL Z520PT running at 1 33 GHz and comes with 1 GB of DDR2 SDRAM and a MicroSD card slot The standard interfaces comprise 2 Fast Ethernet via RJ45 connectors and 2 USB ports as well as four binary inputs via the 10 pin power supply connector The two Ethernet interfaces have switch functionality to provide Ethernet connection to subsequent intelligent displays A temperature sensor is provided to monitor and control the display With the exception of the LVDS signals and the display backlight brightness control all I O signals are concentrated on a customizable connector PCB including a USB driven connector for a touch interface The SC21 is equipped with an internal 9 to 36V 12VDC nom or 24VDC nom wide range power supply and able to operate in a 40 to 70 C environment 85 C for 10 minutes with sufficient cooling It complies with th
22. 255 CPUBCI INVALID MAIN STATE Invalid PIC main state MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Functional Description 2 15 12C Interface The SC21 provides a USB driven I C interface on a 5 pin connector at the connector PCB See Figure 5 Position of I2C and touch interface connectors on connector PCB for the connector s exact position with pin 1 indicated make sure A not to confuse it with the touch interface connector Table 16 I2C interface connector pin assignment Pin Name 1 SMBDATA EXT i 2 SMBCLK_EXT m 3 SMBALERT_EXT g 4 AGND A 5 Shield Figure 5 Position of I2C and touch interface connectors on connector PCB C interface Touch interface 2 16 Touch Interface The SC21 provides a USB driven touch interface on a 4 pin connector at the connector PCB See Figure 5 Position of I2C and touch interface connectors on connector PCB for the connector s exact position with pin 1 indicated make sure A not to confuse it with the I C interface connector Table 17 Touch interface connector pin assignment Pin Name 1 USB Vcc E 2 USB D B 3 USB D 4 USB GND 2 16 1 Serial Interface via SA Adapter optional As an option the board offers the possibility to provide a serial interface at the connector PCB using a MEN standard SA Adapter This way a serial interfaces can be used which can be flexibly con
23. ACK TOUT 0x03 0x00 r w On acknowledge 0x0B timeout XCO2C ONACK ERR 0x04 0x00 r Number of missing OxFF On acknowledges Table 26 SMBus On acknowledge timer modes Mode SMBus On Acknowledge Feature disabled no acknowledge required default 1s 2s 4s 8s 16s 32s 64s 128 s 256s 512s 1024 s jo o oO AJOIN oO o 3 3 6 Shutdown 3 3 6 1 Shutdown by Software At any time it is possible to shut down the power supply by software via SMBus command XCO2C SWOFF A shutdown by software is caused when an SMBus byte write of 0x09 command and 0xA8 magic value to avoid unintended shutdowns is done to the microcontroller s address Table 27 SMBus command for shutdown by software function Command Data ae Name Code Range Type Description XCO2C SWOFF 0x09 0xA8 w Signal a software power magic off from application 3 3 6 2 Shutdown by Key Input When using a customized power supply it is possible at any time to shut down the power supply by switching off the key input A shutdown by key input follows the shutdown sequence MEN Mikro Elektronik GmbH 40 20SC21 00 E7 2012 10 04 Firmware Functions 3 3 7 Shutdown Delay During the shutdown sequence the microcontroller provides a programmable shutdown delay The default state of the shutdown delay after power up of the SC21 is O disabled The shutdown delay is configurab
24. CD panel used by the internal graphics device by selecting the appropriate setup item Some panels are not num bered due to size constraints Options 640x480 generic 1024x600 TMD 5 61 800x600 generic 1024x600 Samsung 4 8 1024x768 generic 1024x768 Samsung 15 640x480 NEC 8 4 1024x768 Sharp 72 800x480 NEC 9 1280x800 Samsung 15 4 VGA Panel Scaling Description Controls the type of panel scaling Options Auto VGA BIA Control Description Selects BIA control and aggressiveness level through this setup item Options VBIOS Default MEN Mikro Elektronik GmbH 54 20SC21 00 E7 2012 10 04 BIOS 4 5 Integrated Peripherals Phoenix AwardBIOS CMOS Setup Utility Integrated Peripherals gt On Chip IDE Device LIPIReSS Efe Item Help gt Onboard Device Press Enter PCI Express eot Porz FunelPress Enter Menu Level gt gt USB Device Setting Press Enter F5 Previous Values F6 BIOS Default Values F Last Saved Values On Chip IDE Device Sub menu IDE HDD Block Mode Enabled On Chip Primary PCI IDE Enabled IDE Primary Master PIO Auto IDE Primary Slave PIO Auto IDE Primary Master UDMA Auto IDE Primary Slave UDMA Auto Delay for HDD Secs 0 IDE HDD Block Mode Description If your IDE hard drive supports block mode select Enabled for automatic detection of the optimal number of block read writes per sector the drive can support Options Enabled Di
25. O to LVDS converter Resolution Up to 1920x1200 Backlight control via brightness sensor Memory Second MicroSD card slot USB Flash SSD Upto 8 GB PCI Express Mini Card slot Slot compatible with half size modules I O Ethernet 2 Fast Ethernet on M12 connectors HD audio HD audio codec Audio stereo in Audio stereo out SPDIF out All available via 9 pin D Sub connector Serial interface 1 serial interface realized via SA Adapter M e g RS232 or RS422 isolated or not IBIS Custom connector available instead of standard I O interface board Electrical Specifications External PSU suited for railway applications As the product concept is very flexible there are many other configuration possibilities Please contact our sales team if you do not find your required function in the options For available standard configurations see online data sheet MEN Mikro Elektronik GmbH 6 20SC21 00 E7 2012 10 04 Product Safety Product Safety A Electrostatic Discharge ESD Computer boards and components contain electrostatic sensitive devices Electrostatic discharge ESD can damage components To protect the board and other components against damage from static electricity you should follow some precautions whenever you work on your computer Power down and unplug your computer system when working on the inside Hold components by the edges and try not to touch the IC chips leads or
26. Options S3 STR Activates Suspend To RAM function Soft Off by PWR BTTN Description This field defines the power off mode when using an ATX power supply The nstant Off mode allows powering off immediately upon pressing the power button In the Delay 4 Sec mode the system powers off when the power button is pressed for more than four seconds or enters the suspend mode when pressed for less than 4 seconds Options Instant Off Delay 4 Sec PWRON After PWR Fail Description Sets the system power status when power returns to the system from a power failure situation Options Former Sts On Off MEN Mikro Elektronik GmbH 58 20SC21 00 E7 2012 10 04 ee BIOS ATX PWRGD Failure Mode Description Determines the system behaviour in case of a failure at the ATX power good signal Options Check at start up Check always HPET Feature Sub menu HPET Support Enabled HPET Support Description Enables disables the high precision event timer in the chipset Options Enabled Disabled Intel DTS Feature Sub menu Intel DTS Function Enabled X DIS Active temperature 29 C x Passive Cooling Trip Point 957 6 x Passive TC1 Value 2 x Passive TC2 Value 0 x Passive TSP Value 10 Critical Tip Pom POR Intel DTS Function Description Enables disables Intel DTS Function Options Enabled Disabled DTS Active temperature Passive Cooling Trip Point Passive TC1 Value Passive TC2 Value Passive TSP Value Description These va
27. able Bit Description When disabled forces the XD feature flag to always return 0 Options Enabled Disabled Virtualization Technology Description When enabled a VMM can utilize the addional hardware capa bilities provided by Vanderpool Technology Not available for SC21 versions with the Atom Z510P PT processor Options Enabled Disabled Hard Disk Boot Priority Sub menu USB HDDO Intel Value SSD USB HDD1 Intel Value SSD USB HDD2 SanDisk Cruzer Micro Bootable Add in Cards Boot priority Dynamic Description Selects the boot device priority of any hard disk recognized Options Dynamic New detected devices are added to the end of the boot list Manual The chosen setting is saved as long as the HDD configuration of the system is not changed This setting is advantageous if there is no battery in the system Fixed The BIOS scans the IDE controller and always fixes the boot sequence 1 HDD from 1st controller 2 HDD from 2nd controller 3 USB HDD devices MEN Mikro Elektronik GmbH 50 20SC21 00 E7 2012 10 04 BIOS CPU L1 amp L2 Cache Description Allows to enable or disable the processor cache memory You should disable cache only if absolutely necessary e g for test ing purposes since this slows down the system considerably Options Enabled Disabled Hyper Threading Technology Description Enabled for Windows XP and Linux 2 4 x OS optimized for Hyper Threading Technology and Disable for ot
28. als 1 aloe baa top decore ena 55 4 6 Power Management Setup 0 0 0 cee eee eee eee 58 4 7 PNP PC Contisurauons 45 4 532449 19845650984 09S 20 R33 es 60 4 8 PC Health Status ass se Meo UR eR casa des bens d 62 4 9 Erequeney Voll ge Control 5 2 9 u Sa ae 62 4 10 Load Fail Sate Defaults t RR Re RR esas a de 63 4 11 Load Optimized Defaults 2 22122 sm BE ERE 63 2 12 Set Password anna 63 4 13 Save amp Exit Setups osse saber bbb e deser cR eer ROV dos 63 4 14 Exit without SVN io sso puhbpREpERERLeRpELP COP EPLOS ERES 63 5 Organization of the Board cc cece cece cece eee eee eeeeees 64 5 0 1 Processor View of the Memory Map 64 30 2 VO Memory Map ss gas wade ER ons EE de 65 5 PCI DEVICES srir 20H ode dob Ho REIS ae EN NR 66 2 2 SMBus Devices seen Shetek Onto e IEEE Rut es 67 5 3 Interrupt Mapping seme ee m eb herbe e ee 67 6 Appendix ae nn 68 6 1 Literature and Web Resources sense 68 6 1 1 QUU C UTE 68 0 12 IATA Lsispogpq dei E da ON d eut R Ite S sao NONE 68 OLS 2USD Sie Quite odor edd ieu pud CR Darf pid ant cou Dex eR 68 OA Bihernet u sesso eee Rete o eere e bes Peso bdent 68 GUS JHD AUdIO sus aoa ba weap TOO asien 68 6 1 00 PCLEXxptres i 2 r9 re odd a 69 6 1 7 PCT Express Mini Catd seco sine ehe 69 6 2 Finding out the Product s Article Number Revision and Serial NUIDSf 34 45 23 32 24 Sidera seinen seen 69 MEN Mikro Elektronik GmbH 13 20SC2
29. arding connection of isolated ground power connector to system ground Added exact weight with and without heat sink 2011 11 21 E6 Added operating temperature restriction 2012 02 15 E7 Updated Chapter 2 10 LVDS Interfaces on page 25 Chapter 2 4 Real Time Clock on page 19 and Chapter 3 Firmware Functions on page 35 2012 10 04 MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Pi About this Document Conventions This sign marks important notes or warnings concerning the use of voltages which can lead to serious damage to your health and also cause damage or destruction of the component This sign marks important notes or warnings concerning proper functionality of the product described in this document You should read them in any case italics Folder file and function names are printed in italics bold Bold type is used for emphasis monospace A monospaced font type is used for hexadecimal numbers listings C function descriptions or wherever appropriate Hexadecimal numbers are preceded by Ox comment Comments embedded into coding examples are shown in green color hyperlink Hyperlinks are printed in blue color The globe will show you where hyperlinks lead directly to the Internet so you can look for the latest information online IRQ Signal names followed by or preceded by a slash indicate that this signal is IRQ either active low or that it becomes active at a fallin
30. ation on the board There is no detailed description of the individual controller chips and the CPU They can be obtained from the data sheets or data books of the semiconductor manufacturer concerned Chapter 6 1 Literature and Web Resources on page 68 Please note that the board BSPs for the different operating systems may not support all the functions of the SC21 For more information on hardware support please see the respective BSP data sheet on MEN s website 2 1 Power Supply The SC21 is supplied with a nominal voltage of 12 V or 24 V 9 36 VDC All other required voltages are generated onboard The SC21 provides one 10 pin spring type terminal that is also used for the unit s binary inputs Pin 1 is located on the USB connector side Table 1 Power supply VCC coding connector pin assignment Pin Name Description 1 9 36VDC Power input Lo 2 IGND GND power input 3 BININO BinaryO coding input 4 V_IN BININ VSupply and BININO supply 5 BININ1 Binary1 coding input 6 V_IN BININ VSupply and BININ1 supply 7 BININ2 Binary2 coding input 8 V_IN BININ VSupply and BININ2 supply 9 BININ3 Binary3 coding input 10 V_IN BININ VSupply and BININS supply 2 1 1 Power Input Ground Connection switch The switch connects IGND with system GND when the board is in powered state with the key input signal active There is no connection between the two when the board is in non powered state N Please note
31. cir cuitry Use a grounded wrist strap before handling computer components Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system Store the board only in its original ESD protected packaging Retain the original packaging in case you need to return the board to MEN for repair MEN Mikro Elektronik GmbH 7 20SC21 00 E7 2012 10 04 About this Document About this Document This user manual describes the hardware functions of the board connection of peripheral devices and integration into a system It also provides additional information for special applications and configurations of the board The manual does not include detailed information on individual components data sheets etc A list of literature is given in the appendix History Issue Comments Date E1 First issue 2010 11 10 E2 Fixed hyperlink in board supervision chapter Cosmetics 2010 11 25 E3 Added warning regarding connection of both Ether net ports to the same switch in powerless state Reworked corrected chapter on Ethernet and gen eral status LEDs Added Firmware Functions chapter Reworked EEPROM sub chapter Updated SMBus devices table Clarified position of pins of the power supply con nector 2011 06 24 E4 New touch interface connector position pinning Minor changes 2011 08 09 E5 Added information reg
32. cooling via connection from mounting frame to metal display housing Fanless operation Temperature range storage 40 85 C Relative humidity operation max 9596 non condensing Relative humidity storage max 9596 non condensing Altitude 300 m to 3 000 m Shock according to EN 50155 10 2 11 Vibration according to EN 50155 10 2 11 MTBF 213 000 h 40 C according to IEC TR 62380 RDF 2000 EMC Conforming to EN 50155 EN 50121 3 2 EN 61000 4 5 Conforming to el requirements of the German Federal Motor Transport Authority Software Support Windows XP Embedded Linux For more information on supported operating system versions and drivers see online data sheet P MEN Mikro Elektronik GmbH 4 20SC21 00 E7 2012 10 04 i Options R Rear I O connector On board connector Connector PCB MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Temperature Sensor Power Supply USB to Serial Bridge Dual Ethernet Controller with Switch Functionality Block Diagram MiniPCl Express Card Intel Atom XL Processor and Intel System Controller Hub Configuration Options Configuration Options CPU Intel Atom Z530P 1 6 GHz 533 MHz FSB Intel Atom M Z510P 1 1 GHz 400 MHz FSB Intel Atom Z520PT 1 33 GHz 533 MHz FSB Intel Atom Z510PT 1 1 GHz 400 MHz FSB Graphics 8 bit LVDS for secondary display via SDV
33. d the heat sink in place a fourth screw hole marked in red in the photo below can alternatively be used for mounting the SC21 board Figure 3 Optional mounting screw hole on standard heat sink While the standard SC21 model is designed for convection cooling the unit is also prepared for conductive cooling The SC21 is prepared for an operating temperature of 40 to 85 C depending on the cooling concept In order to achieve this temperature range sufficient cooling is required Please note that if you do not use the heat sink supplied by MEN and or no heat sink warranty on functionality and reliability of the SC21 may cease If you have any questions or problems regarding thermal behavior please contact MEN MEN Mikro Elektronik GmbH 20 20SC21 00 E7 2012 10 04 Functional Description 2 6 Memory 2 6 1 DRAM System Memory The board provides 1 GB on board soldered DDR2 double data rate SDRAM The memory bus is 64 bits wide one channel and operates with up to 533 MHz 2 6 2 Boot Flash The SC21 has an 8 Mbit LPC Firmware Hub FWH implemented as on board Flash for BIOS data 2 6 3 EEPROM The board has two 2 kbit serial EEPROMs for factory data One is used for the data of the SC21 the other can be used for the data of the display computer The EEPROMs store the serial number board revision name production date and reparation date The MDIS tool smb2 eeprod2 can be used for comfortable access to the confi
34. device it operates in full low speed mode Full Low Speed All USB devices operate on full low speed mode USB Keyboard Function Description Enables disables the USB Keyboard Function Options Enabled USB Storage Function Description Enables disables the legacy support of USB Mass Storage Options Enabled Disabled Intel Value SSD 2 00 SanDisk Cruzer Micro 0 1 Description Selects the boot up type for the USB SSD Options Auto mode According to contents of USB mass storage device FDD mode USB mass storage device boots up as floppy disk HDD mode USB mass storage device boots up as hard disk MEN Mikro Elektronik GmbH 57 20SC21 00 E7 2012 10 04 BIOS 4 6 Power Management Setup Phoenix AwardBIOS CMOS Setup Utility Power Management Setup Power Supply Type LAT Item Help ACPI Function Enabled Jj e ACPI Suspend Type S3CSTR Menu Level gt Soft Off by PWR BTTN Instant Off PWRON After PWR Fail On ATX_PWRGD Failure Mode Check at Startup gt HPET Feature Press Enter gt Intel DIS Feature Press Enter F5 Previous Values F6 BIOS Default Values F7 Last Saved Values Power Supply Type Description Selects the type of power supply Options AT ATX ACPI Function Description Enables disables support of ACPI Advance Configuration and Power Interface Options Enabled ACPI Suspend Type Description Selects the ACPI state used for System Suspend
35. e class Tx railway standard an optionally available external PSU suited for railway applications can also provide EN 50155 conformity All electronic components are soldered to withstand shock and vibration and prepared for conformal coating Options include other types of the Intel Atom XL processor a brightness sensor to control the display a serial interface that can be added via an SA Adapter HD audio via a D Sub connector and an additional LVDS connection for a secondary display with the two displays then showing individual or identical content as required by the application A PCI Express Mini Card slot with a SIM card slot in combination with an external antenna can be used to incorporate wireless functions like WIFI WIMAX GSM GPRS UMTS etc MEN Mikro Elektronik GmbH 2 20SC21 00 E7 2012 10 04 Technical Data Technical Data CPU Intel Atom Z520PT 1 33 GHz processor core frequency 533 MHz system bus frequency Chipset Intel amp system controller hub US15W Memory 1GB DDR2 SDRAM system memory Soldered 533 MHz memory bus frequency MicroSD card slot SATA interface for HDD SSD Transfer rates up to 100 MB s Graphics LVDS 25 pin connector For direct connection of an LVDS display with a resolution of up to 1366x768 secondary interface with up to 1900x1200 LVDS backlight 10 pin connector Brightness control via software PCI Express Mini Card slot For funct
36. e temperature inside the SC21 The CPU can read the current temperature via the SMBus command XC02C TEMP This is independent from the temperature sensor and supervision functionality of the SC21 s embedded system core itself The temperature supervision is carried out by the temperature sensor LM50 The LM5S0 is a precision integrated circuit temperature sensor that can sense a 40 C to 125 C temperature range It converts its temperature to an analog voltage according to the formula below OUTPUT Vout 10mV C x Temp C 500 mV Vout 1 750mV at 125 C Vout 750mV at 25 C Vout 100mV at 40 C MEN Mikro Elektronik GmbH 43 20SC21 00 E7 2012 10 04 Firmware Functions This voltage is also converted as explained in Chapter 3 3 8 Voltage Supervision but directly attached to the ADC channel since it is within the maximum ADC range of 3 000 V The Table 36 Temperature representation shows some values which are derived by Vout 3000 mV x OXFF Table 35 SMBus commands for temperature supervision Command Data Er Name Code Range Type Description XCO2C TEMP 0x12 0x00 r Converted OxFF temperature XCO2C TEMP LOW 0x18 0x00 r w Minimum OxFF temperature value XCO2C TEMP HIGH 0x13 0x00 r w Maximum OxFF temperature value The default values are 10 to 60 and can be changed at MEN depending on the display type When changing these settings manually do not exceed the panel s maximum
37. ependent MDIS driver packages 13XM01 06 BMC and 13XC02 06 PMC Please also refer to the general MDIS documentation for details 3 1 Board Management Controller BMC The SC21 is equipped with an intelligent internal power supply Its onboard microcontroller is used as a control and supervision device of the DC DC converter the binary inputs of the SC21 its temperature and its display Additionally it is used as a watchdog for the CPU and the microcontroller itself The device name of the watchdog is xmOl1bc 1 and the corresponding driver is 13XM01 06 The microcontroller is connected to the CPU via SMBus It is able to keep the power supply active even if the external on off signal goes inactive The microcontroller controls the reset signal to be able to reset the CPU Windows XP Embedded the pre installed operating system of the SC21 needs a controlled power down sequence The power supply of the CPU can be kept active via the SMBus even when the external on off signal of the SC21 is inactive so that a controlled power down of the operating system is possible For further information see Chapter 3 3 7 1 Off Delay on page 42 Figure 6 Microcontroller block diagram Voltage Supervision Temperature Supervision A D Converter SMBus SMB Slave Binary Inputs In Out Control Control Control Out MEN Mikro Elektronik GmbH 35 20SC21 00 E7 2012 10 04 Firmware Functions 3 1 1 Available Functions The BMC supports the fo
38. erup on 0 off 1 3 3 11 Optional Autonomous Brightness Control with Photo Diode When the SC21 is equipped with a photo diode for light detection the firmware allows to pass brightness control to it The command XC02C BR SRC switches control from brightness setting with the SMB command XCO2C SET BR to autonomous setting In this case the value is updated every 5s so short coverages of the diode don t affect brightness To keep the same version of the firmware for all SC21 variants its also possible to switch to autonomous brightness control when there no photo diode is present In that case the brightness will always stay the same 3 3 12 Miscellaneous Commands The firmware supports some commands that are useful to retrieve information about the build date and time With each call to the command XCO2C_TIMESTAMP the firmware returns one character of the build timestamp string that is stored in the microcontroller s internal EEPROM This helps to identify the firmware version The values returned are concatenated in the MDIS driver and logged when the MDIS device that represents the microcontroller is opened The command XC02C_ID returns a fixed value 0xC2 that is used to identify the underlaying carrier board type See Table 38 SMBus commands for PSU ID and firmware revision number on page 45 Table 38 SMBus commands for PSU ID and firmware revision number Command Data zu Name Code Range Type Descr
39. figured as needed e g RS232 or RS422 isolated or not IBIS or GPS T See MEN s website for a list of SA Adapters which can be used on the SC21 Please contact MEN s sales team for information about possible configurations and special board versions MEN Mikro Elektronik GmbH 33 20SC21 00 E7 2012 10 04 Functional Description 2 17 Audio optional The SC21 supports an optional high definition audio interface on the connector PCB Table 18 Pin assignment of the HD audio interface 9 AUDIO IN R 5 AUDIO SPDIF 5 ed 5 8 AUDIO GND 4 AUDIO IN L 09 7 AUDIO_OUT_R 3 AUDIO OUT R Loj 6 AUDIO OUT L 2 AUDIO GND 1 AUDIO OUT L Table 19 Signal mnemonics of the HD audio interface Signal Direction Description AUDIO EXT OUT Lz Rx out Line out left and right differential signal pairs AUDIO EXT IN L R in Line in left and right AUDIO EXT GND Analog ground AUDIO EXT SPDIF out S PDIF output MEN Mikro Elektronik GmbH 34 20SC21 00 E7 2012 10 04 Firmware Functions 3 Firmware Functions The functions of the XCO2BC board controller BMC and the XMO1BC power and display management controller PMC described in the following chapter depend on the firmware This user manual describes the functions as realized in the current MEN standard firmware To access the functions described below from own applications MEN provides the Windows Installset 13XMO1 77 and the OS ind
40. g edge in out Signal directions in signal mnemonics tables generally refer to the corresponding board or component in meaning to the board or component out meaning coming from it Vertical lines on the outer margin signal technical changes to the previous issue of the document MEN Mikro Elektronik GmbH 9 20SC21 00 E7 2012 10 04 About this Document Legal Information Changes MEN Mikro Elektronik GmbH MEN reserves the right to make changes without further notice to any products herein Warranty Guarantee Liability MEN makes no warranty representation or guarantee of any kind regarding the suitability of its products for any particular purpose nor does MEN assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages TO THE EXTENT APPLICABLE SPECIFICALLY EXCLUDED ARE ANY IMPLIED WARRANTIES ARISING BY OPERATION OF LAW CUSTOM OR USAGE INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE In no event shall MEN be liable for more than the contract price for the products in question If buyer does not notify MEN in writing within the foregoing warranty period MEN shall have no liability or obligation to buyer hereunder The publication is provided on the terms and understanding that 1 MEN is not responsible for the
41. guration EEPROMs See Table 42 SMBus devices on page 67 2 7 Mass Storage 2 7 1 microSD Card Interface The SC21 provides a USB driven 4 bit slot for a standard microSD card A second microSD card slot is optional MEN Mikro Elektronik GmbH 21 20SC21 00 E7 2012 10 04 2 22 Serial ATA SATA The SC21 provides one SATA interface that supports transfer rates up to 100 MB s Functional Description Table 3 Pin assignment of SATA connector S1 S2 S3 S4 S5 S6 S7 sepa P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 GND SATA_TX SATA_TX GND SATA_RX SATA_RX GND Key and spacing rate signal and power segments 3 3V optional 3 3V optional 3 3V optional GND GND GND 5V 5V 5V GND GND GND 12V 12V 12V Connector type e 7 amp 15 pin SATA receptacle connector 1 27mm pitch Table 4 Signal mnemonics of SATA connector Signal Direction Function 3 3V out 3 3 V power supply 5V out 5 V power supply GND Digital ground SATA RX SATA RX in Differential pair of SATA receive lines SATA TX SATA TX out Differential pair of SATA transmit lines MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Functional Description 2 7 3 USB Flash SSD optional Another optional mass storage solution for the SC21 is a USB driven Flash SSD solid state drive 2 8 PCI Express The SC21 offers one PCI Expre
42. her OS OS not optimized for Hyper Threading Technology Not available for SC21 versions with the Atom Z510P PT processor Options Enabled Disabled Quick Power On Self Test Description Allows the system to skip certain tests while booting This will decrease the time needed to boot the system Options Enabled Disabled First Boot Device Second Boot Device Third Boot Device Description Selects your boot device priority Options LS120 ZIP100 USB CDROM Hard Disk USB FDD Legacy LAN CDROM USB ZIP Disabled Boot Other Device Description Selects your boot device priority Options Enabled Disabled LAN Boot ROM Description 1x The option ROM for PXE LAN boot is called once then the boot procedure continues with the normal boot order Endless The option ROM for PXE LAN boot is called until it is suc cessful i e until an operating system is booted over LAN This function is available as of BIOS version 1 11 the special BIOS version with RAID support does not support network boot Options Disabled Endless 1x Preboot Execution Environment PXE provides a way for a system to initiate a network connection to various servers prior to loading an OS This network connection supports a number of standard IP protocols such as DHCP and TFTP and can be used for purposes such as software installation and system inventory maintenance MEN Mikro Elektronik GmbH 51 20SC21 00 E7 2012 10 04 BIOS Boot Up NumLock Statu
43. hing functionality is provided for forwarding of Ethernet frames to subsequent intelligent displays The SC21 also supports powerless forwarding of Ethernet frames The unit s onboard switch is bypassed when the Ethernet circuit is not supplied with its intended voltage Thus a switched off or defective SC21 unit does not interrupt the Ethernet traffic in a daisy chain configuration Note that the two Ethernet ports are connected via a relay while the SC21 is in powerless state so connecting both to the same switch will likely jam the network Table 13 Pin assignment of the 8 pin RJ45 Ethernet 10 100Base T connectors Pin Name Description 1 RX Receiver positive input 2 RX Receiver negative input 3 TX Transmitter positive output 4 8 6 TX Transmitter negative output 7 8 a The Ethernet controller has its own EEPROM to store the MAC address etc The unique MAC address is set at the factory and should not be changed Any A attempt to change this address may create node or bus contention and thereby render the unit inoperable The MAC address on the SC21 is LANO Ox 00 CO 3A A4 xx xx where 00 CO 3A is the MEN vendor code A4 is the MEN product code and xx XxX is the hexadecimal serial number of the SC21 s carrier board e g 00 2A for the serial number 000042 For the unit s serial number please refer to Chapter 6 2 Finding out the Product s Article Number
44. ions like WIFI WIMAX GSM GPRS UMTS SIM card slot PCI Express and USB interface Accessible via e g a reverse SMA connector I O USB Two USB 2 0 host ports Accessible via Series A connectors UHCI implementation Data rates up to 480 Mbit s Ethernet Two 10 100Base T Ethernet channels Accessible via RJ45 connectors Switch functionality Touch interface connector USB driven 4 pin connector Touch technology depending on touch sensor touch controller and software 4 binary inputs via 10 pin power connector Universal inputs e g for geographical addressing MEN Mikro Elektronik GmbH 3 20SC21 00 E7 2012 10 04 Technical Data Intelligent Power Supply with Controller Voltage supervision Temperature supervision via LM50 sensor Backlight control turns off display at configurable temperatures Buffer functionality for RTC and BIOS CMOS Reset of CPU board possible Wake on time Watchdog Accessible via SMBus Electrical Specifications Supply voltage 12 VDC nom or 24 VDC nom 9 to 36 V Power consumption Ca 8 W without display Mechanical Specifications Dimensions 220 mm x 150 mm x 35 mm Weight approx 240 g 320 g with heat sink Environmental Specifications Temperature range operation 40 C to 70 C with up to 85 C for 10 minutes according to class Tx EN 50155 depending on cooling concept sufficient cooling required Prepared for conductive
45. iption XCO2C ID OxFE 0xC2 r Fixed firmware ID XCO2C TIMES 0x20 0x00 r Build date string one TAMP 0x01 character at a time MEN Mikro Elektronik GmbH 45 20SC21 00 E7 2012 10 04 BIOS 4 1 Main Menu Phoenix AwardBIOS CMOS Setup Utility e MR gt Standard CMOS Features gt Frequency Voltage Control gt Advanced BIOS Features Load Fail Safe Defaults Advanced Chipset Features Load Optimized Defaults gt Integrated Peripherals Set Password gt Power Management Setup Save amp Exit Setup gt PnP PCI Configurations Exit Without Saving gt PC Health Status EEUU NE ere de eet t t EORR SEE pepe ae Er eg Man re home M eet al city CM P oe HENS Tee e ete m Eee EU ep S ESC 2 Qni ow mx e Select lel FIM Save amp Exit SEU The gt character in front of a menu item means that a sub menu is available An x in front of a menu item means that there is a configuration option which needs to be activated through a higher configuration option before being accessible MEN Mikro Elektronik GmbH 46 20SC21 00 E7 2012 10 04 BIOS 4 2 Standard CMOS Features Phoenix AwardBIOS CMOS Setup Utility Standard CMOS Features Date mm dd yy Mon Jan 23 2008 Item Help Time hh mm ss 10 57 22 Menu Level gt gt IDE Channel 0 Master None gt IDE Channel O Slave None Base Memory 640K Extended Memory 2086912K Total Memory 2087936K
46. ktronik GmbH 20SC21 00 E7 2012 10 04 Functional Description Instead of the 25 pin connector a 30 pin right angle DF14 30P 1 25H from Hirose can be assembled Table 9 Optional secondary LVDS pin assignment MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Pin Name Description Polarity 1 LVDS OPT DATA O LVDS differential data link O Negative 2 LVDS_OPT_DATA 0O LVDS differential data link O Positive 3 LVDS OPT DATA 1 LVDS differential data link 1 Negative 4 LVDS_OPT_DATA 1 LVDS differential data link 1 Positive 5 LVDS OPT DATA 2 LVDS differential data link 2 Negative 6 LVDS_OPT_DATA 2 LVDS differential data link 2 Positive 7 GND Ground D 8 LVDS OPT CLK LVDS differential clock 1st pixel Negative 9 LVDS OPT CLK LVDS differential clock 1st pixel Positive D 10 LVDS_OPT_DATA 3 LVDS differential data link 3 Negative 11 LVDS_OPT_DATA 3 LVDS differential data link 3 Positive D 12 LVDS_OPT_DATA 4 LVDS differential data link 4 Negative 13 LVDS_OPT_DATA A LVDS differential data link 4 Positive D 14 GND Ground 15 LVDS OPT DATA B LVDS differential data link 5 Negative 0 16 LVDS_OPT_DATAJ 5 LVDS differential data link 5 Positive 17 GND Ground 0 18 LVDS_OPT_DATAJ6 LVDS differential data link 6 Negative 19 LVDS_OPT_DATA 6 LVDS differential data link 6 Posi
47. l DC DC converter by applying it through a voltage divider to one ADC channel The supervision ranges are set by the commands XC0O2C VOLT HIGH and XC02C VOLT LOW These values are written with MDIS descriptors and are not to be changed during normal operation When the voltage is exceeding this range the SC21 goes into reset The output voltage is measured using the microcontroller internal ADC function The ADC value which represents the output voltage can be read via the SMBus command XC02C VOLT see Table 34 SMBus command for voltage supervision function on page 43 With an ADC reference voltage of 3 00 volts the returned value from this command is to be interpreted as Umon APCy3999mv 255 so that for example a returned value of 0xD5 corresponds to 0xD5 255 3000 mV 2 506 V This value results from the voltage divider tap between a 10k and 2 7k resistor factor 0 212 so the real output voltage of the DC DC converter is 2 506 V 0 212 2 11 8 V This would be a typical output under load Table 34 SMBus command for voltage supervision function Command Data Name Code Range Type Description XCO2C VOLT 0x14 0x00 r DC DC output voltage OxFF divider factor 0 212 XCO2C VOLT LOW 0x22 0x00 r w Minimum allowed OxFF display supply voltage XCO2C VOLT HIGH 0x21 0x00 r w Maximum allowed OxFF display supply voltage 3 3 9 Temperature Supervision The microcontroller is able to determine th
48. le via the SMBus command XC0O2C DOWN DELAY see Table 28 SMBus commands for shutdown delay on page 41 and Table 30 SMBus command XC02C DOWN DELAY on page 41 The shutdown delay timer is started after shutdown event At any time during the shutdown delay the shutdown sequence can be stopped by an On event key input on The system is in running state then and the shutdown delay timer is cleared Table 28 SMBus commands for shutdown delay Command Data u Name Code Range Type Description XCO2C DOWN DELAY 0x0B 0x00 r w Shutdown delay 0x07 XC02C_STATUS 0x0D 0x00 r Signal PSU status 0x01 to application Table 29 SMBus command XCO2C STATUS Bit Value Description 0 0 Shutdown event not signaled 1 Signal shutdown event 1 0 Normal operation 1 Display in protect state over under voltage or temperature 2 7 0 Reserved Table 30 SMBus command XCO2C DOWN DELAY Value Shutdown Delay 0 min 1 min 2 min 4 min 8 min 16 min 32 min 64 min N OQ oO AJOI o MEN Mikro Elektronik GmbH 41 20SC21 00 E7 2012 10 04 Firmware Functions 3 3 71 Off Delay During the shutdown sequence the microcontroller provides a programmable Off delay As default this feature is not enabled mode 0 In this case there will be no Off delay the supply will be switched off immediately When enabled mode 1 5 the microcontrolle
49. ller VGA compatible 0xD8000000 0xDFFFFFFF Video controller VGA compatible OxFDFC0000 0xFDFDFFFF Video controller VGA compatible OxFDFFF000 0xFDFFFFFF USB Universal Serial Bus Controller OxFDFF8000 0xFDFFBFFF Microsoft UAA bus driver for High Definition Audio OxFDB00000 0xFDBFFFFF PCI standard PCl to PCl bridge OxFDE00000 0xFDEFFFFF PCI standard PCl to PCl bridge OxFDBCO000 0xFDBDFFFF Intel R 82574L Gigabit Network Connection 3 OxFDBFCOO0 0xFDBFFFFF Intel R 82574L Gigabit Network Connection 3 OxFDD00000 0xFDDFFFFF PCI standard PCl to PCl bridge OxFDC00000 0xFDCFFFFF PCI standard PCl to PCl bridge OxFDFFEOOO OXFDFFESFF Standard extended PCI to USB universal host controller OxFEDOOO000 OxFEDOO3FF OxFEDOOO00 OxFEDOO3FF OxFFB80000 0xFFBFFFFF OxE0000000 0xEFFFFFFF High precision event timer System board Intel R 82802 firmware hub Motherboard resources 0x0000 0x9FFFF System board OxFEC00000 0xFECOOFFF System board OxFED13000 0xFEDIDFFF System board OxFED20000 0xFED8FFFF System board OxFEE00000 0xFEEOOFFF System board OxFFB00000 0xFFB7FFFF System board OxFFF00000 0xFFFFFFFF System board 0xA0000 0xBFFFF PCI bus 0xA0000 0xBFFFF VGASave 0xC0000 0xDFFFF PCI bus OxE0000 0xEFFFF PCI bus MEN Mikro Elektronik GmbH 20SC21 00 E7 2012 10 04 Organization of the Board
50. llowing functions Board power sequencing control Voltage and temperature supervision System watchdog Software reset functionality Error state logging 3 2 Power and Display Management Controller PMC The internal power supply unit s microcontroller is also used as a watchdog for the SC21 system The device name of the watchdog is xc02 1 and the corresponding driver is 13XC02 06 It is possible to enable disable the watchdog by the SMBus command XCO2C WDOG STATE After the XCO2C STATUS byte see Table 28 SMBus commands for shutdown delay on page 41 signals a shutdown the watchdog is disabled by the firmware The watchdog is triggered by cyclic SMBus commands XCO2C WDOG TRIG from the CPU The time interval between trigger commands is configurable via the SMBus command XC02C WDOG TOUT see Table 23 SMBus commands XC02C WOT L XCO2C WOT H on page 38 The time interval is set to its maximum value after SC21 power up and the watchdog is disabled In case of a missing trigger unit s microcontroller resets the complete system The number of missing SMBus trigger command exceptions is incremented and can be read via the SMBus command XCO2C WDOG ERR After three exceptions the microcontroller switches off the power output Vout and switches off the display After a watchdog reset the microcontroller waits for the SMBus On acknowledge signal before it restarts the watchdog timer depending on the settings see Chapter 3 3
51. lues are read only values as monitored by the system when the Intel DTS Feature is enabled Options None Critical Trip Point Description This value controls the temperature of the ACPI Critical Trip Point i e the point at which the operating system will shut down the system Options POR POR 15 C 23 C 100 C 31 C 39 C 47 C 55 C 63 C 71 C 79 C 87 C 95 C 103 C 111 C 119 C 127 C MEN Mikro Elektronik GmbH 59 20SC21 00 E7 2012 10 04 CTI EDD caln nen BIOS 4 7 PNP PCI Configurations Phoenix AwardBIOS CMOS Setup Utility PnP PCI Configurations Init Display First Onboard Item Help Reset Configuration Data Disabled Menu Level gt Resources Controlled By Auto ESCD X IRQ Resources Press Enter PCI VGA Palette Snoop Disabled PCI Latency Timer CLK L 32 POL Express relative itens aximum Payload Size 128 F5 Previous Values F6 BIOS Default Values F7 Last Saved Values Init Display First Description Selects which graphics controller the system initializes when the system boots Options PCI Slot Onboard Reset Configuration Data Description Select Enabled to reset Extended System Configuration Data ESCD when you exit Setup if you have installed a new add on and the system reconfiguration has caused such a serious conflict that the OS cannot boot Disabled is the default Options Enabled Disabled Resources Contr
52. m top to bottom as depicted above LED Description LED Description ACT2 Port 2 right activity BMC2 BMC 2 status e LNK 2 Port 2 right link e BMC 1 BMC 1 status ACT 1 Port 1 left activity ADD2 Additional LED 2 o LNK 1 Port 1 left link ADD 1 Additional LED 1 MEN Mikro Elektronik GmbH 31 20SC21 00 E7 2012 10 04 Functional Description In case of a board failure the red status LED displays the following error messages Table 15 Error codes signaled by BMC via LED flashes red BMC 2 status LED Number of Flashes Error Description 1 XMO1BCI ERR CTSTRPHC SHTDWN Catastrophic shutdown XMO1BCI ERR INP TOO LOW Input voltage too low XMO1BCI ERR INP TOO HIGH Input voltage too high 2 3 4 XMO1BCI ERR NO ATX PWR OK External power supply fail ure ol XMO1BCI ERR NO PWRGD 5130 1 3 3 V internal voltage failure Oo XMO1BCI ERR NO DDRVR PWRGD Memory voltage failure XMO1BCI ERR NO PWRGD 5130 2 1 5 V or 1 05 V internal volt age failure XMO1BCI ERR NO PM CPU PWRGD CPU voltage failure XMO1BCI ERR BIOS TIMEOUT 1 First BIOS timeout 10 XMO1BCI ERR BIOS TIMEOUT 2 Second BIOS timeout 11 XMO1BCI ERR BIOS TIMEOUT 3 Third BIOS timeout 12 XMO1BCI ERR BIOS TIMEOUT 4 Fourth BIOS timeout 13 XMO1BCI ERR CPU RST TIMEOUT CPU RST timeout
53. n is selected a verified factory setup is loaded On the first BIOS setup configuration this loads safe values for setup which make the board boot up This state is achieved again when the board is reprogrammed with the necessary parameters using the related Flash program 4 11 Load Optimized Defaults At the moment this option has the same effect as described for Load Fail Safe Defaults If required this option can be used to load optimized values e g for the board to boot faster These values have to be defined in the BIOS binary by the BIOS manufacturer A special BIOS version is needed for this 4 12 Set Password This lets you set a password Please note that this often leads to problems since passwords are easily forgotten 4 13 Save amp Exit Setup This option saves the settings made and exits setup 4 14 Exit without Saving This exits setup without saving any settings MEN Mikro Elektronik GmbH 63 20SC21 00 E7 2012 10 04 5 Organization of the Board Organization of the Board To install software on the board or to develop low level software it is essential to be familiar with the board s address and interrupt organization 5 0 1 Processor View of the Memory Map The memory map is allocated dynamically and may vary depending on the system configuration Table 39 Memory map processor view Address Range Function OxFDF00000 0xFDF7FFFF Video contro
54. na Hausa ara 18 2 1 1 Power Input Ground Connection 18 2 1 2 Binary MpPulss cos hcg ok eph p UP ricis riui 18 2 2 Board Supervision ice ke Ree es Rue Re IR meds 19 R Reset CUm 19 ZA Reak Time Clock 5s oa edeeuce toa hoo name cans p 19 23 Processor COG oo ona bir Ee EE E E TE e pP E 20 25 1 Thermal Considerauons aos 12406 RR RR DRE EE 20 2 6 Memo srs 22002840805 en DERE RO VA E CR RE T EAR 21 2 0 1 DRAM System Memory cervices e ber epe ERREUR 21 2 02 Boot Flash oe e eaascdcis oes Gans Rer eh Res 21 203 IBBPRONL 5 gedauert nha ead 21 Zs Mass DIOIaBeuss 25 dg taeda ahaa E shade nwa au seeds gai 21 2 11 xmirosD Card Interface i serbe een OPEP Us 21 2 7 2 3Senal ATA ATA ied eiserne 22 2 75 3 USB Flash SSD optional 0 2 00005 23 2 8 PELExpress pp 2 0 Be IM IG hee Bene el 23 2 8 1 PCI Express Mini Card Interface 23 2 9 Otraphicosei ud dokn Roe ERROR ERR DECRE oS 25 2 1 LVDS EnteriaGe3 du 923 29991754 Cased ead duit and 25 2 10 1 LVDS Backlight u e RR RR dooce maw es 28 2 11 Brightness Sensor optional roe 5g eee RR aan 28 2 12 USB Interface 4 2224 42a eb eR ERE TR EE TET E 29 2 13 Ethernet Menace o eo oops denaro pube d Rene b dad bae nds 30 2 14 Ethernet and General Status LEDs 2 4 eee eee 31 2 15912 InietiaCE 2o eh ded rH pee Mase eee iosas 4 eae 53 2 16 Touch Interface o Lube Ski a oe tod eS eee Aa ee aad 33 2 16 1 Serial In
55. nd for Off delay function 42 Table 32 SMBus command XC02C OFF DELAY ees 42 Table 33 SMBus command for Off acknowledge function 42 Table 34 SMBus command for voltage supervision function 43 Table 35 SMBus commands for temperature supervision 44 Table 36 Temperature representation u nn ea 44 Table 37 SMBuscommands for display control coro rees 45 Table 38 SMBus commands for PSU ID and firmware revision number 45 Table 39 Memory map processor VIEW 2 se cece e rte 64 Table 40 Memory map IO isssseseeeeeee Ih 65 Table 41 PCLDeVIG6S ea aret e hase elnet yo oan ae neon E eren ken 66 Table42 SMBusidevicss u ute aces bib 2000 1 2 1000 20 200 nahe 67 Table 43x InterPupts i2io42 2g 32 se an 67 MEN Mikro Elektronik GmbH 15 20SC21 00 E7 2012 10 04 Getting Started 1 Getting Started This chapter gives an overview of the board and some hints for first installation in a system 1 1 Map of the Board Figure 1 Map of the board Brightness LVDS 1 eiu SATAport SIM S QOL MicroSD connector optional port card slot Optional card slots left slot optional USB Flash optional PCI Express Mini Card slot Heat sink LVDS 2 backlight connector optional LVDS 1 backlight connector C interface Touch interface HD audio Serial interface 2x Ethernet 2x USB 10 pin power in out via SA Adapter c
56. olled By Description BIOS can automatically configure all the boot and Plug amp Play com patible devices If you choose Auto you cannot select IRQ DMA and memory base address fields since BIOS automatically assigns them Options Auto ESCD Manual IRQ Resources Description When resources are controlled manually you must assign each system interrupt a type depending on the type of device using the interrupt i e either a PCI ISA Plug amp Play device default or a Leg acy ISA device MEN Mikro Elektronik GmbH 60 20SC21 00 E7 2012 10 04 BIOS PCI VGA Palette Snoop Description Some non standard VGA display cards may not show colors prop Options erly This field allows you to set whether or not MPEG ISA VESA VGA cards can work with PCI VGA When this field is enabled a PCI VGA can work with an MPEG ISA VESA VGA card When this field is disabled a PCI VGA cannot work with an MPEG ISA VESA card Enabled Disabled PCI Latency Timer CLK Description This BIOS feature controls how long a PCI device can hold the PCI Options bus before another takes over The longer the latency the longer the PCI device can retain control of the bus before handing it over to another PCI device Normally the PCI Latency Timer is setto 32 cycles This means the active PCI device has to complete its transactions within 32 clock cycles or hand it over to the next PCI device For better PCI performance a longer latency should be
57. onnector w optional optional binary inputs MEN Mikro Elektronik GmbH 16 20SC21 00 E7 2012 10 04 i gt Getting Started 1 2 First Operation You can use the following check list when installing the board for the first time and with minimum configuration MI Connect a USB keyboard and mouse to the USB connectors of the SC21 M Connect a flat panel display capable of displaying the resolution of 1024x786 to the LVDS connector of the SC21 MI Power up the system M You can start up the BIOS setup menu by hitting the DEL key see Chapter 4 BIOS on page 46 MI Now you can make configurations in BIOS see Chapter 4 BIOS on page 46 M Observe the installation instructions for the respective software 1 3 Installing Operating System Software The board supports Windows XP Embedded and Linux on request By default no operating system is installed on the board Please refer to the operating system installation documentation on how to install the software You can find any software available on MEN s website 1 4 Installing Driver Software For a detailed description on how to install driver software please refer to the respective documentation You can find any driver software available for download on MEN s website MEN Mikro Elektronik GmbH 17 20SC21 00 E7 2012 10 04 Functional Description 2 Functional Description The following describes the individual functions of the board and their configur
58. ponsibility of the company which puts the product on the market as defined in the directive components and sub assemblies are not subject to product compliance In other words Since MEN does not deliver ready made products to end users the WEEE directive is not applicable for MEN Users are nevertheless recommended to properly recycle all electronic boards which have passed their life cycle Nevertheless MEN is registered as a manufacturer in Germany The registration number can be provided on request Copyright 2012 MEN Mikro Elektronik GmbH All rights reserved Germany France USA MEN Mikro Elektronik GmbH MEN Mikro Elektronik SA MEN Micro Inc Neuwieder Strafe 3 7 18 rue Ren Cassin 24 North Main Street 90411 Nuremberg ZA de la Ch telaine Ambler PA 19002 Phone 49 911 99 33 5 0 74240 Gaillard Phone 215 542 9575 Fax 49 911 99 33 5 901 Phone 33 0 450 955 312 Fax 215 542 9577 E mail info men de Fax 33 0 450 955 211 E mail sales menmicro com www men de E mail info men france fr www menmicro com www men france fr MEN Mikro Elektronik GmbH 11 20SC21 00 E7 2012 10 04 Contents Contents 1 Getting Started ss anne 16 LI Map ot the Boardi io 2a 0 Han 1 dta aa 16 1 2 First Operation l i soi rm eren eder Seb ar dedos mda 17 1 3 Installing Operating System Software ees 17 1 4 Installing Driver Software llle ren 17 2 Functional Description rr hh an 18 2 1 Power Supply a sancce
59. r starts the Off delay timer after signaling the shutdown event to the CPU After timeout the microcontroller switches off the supply voltage V Vout is kept disabled for at least 1 s even if an immediate On event occurs This guarantees a proper power on reset of the supplied system The Off delay can be programmed using the SMBus command XC02C OFF DELAY for details see Table 31 SMBus command for Off delay function on page 42 and Table 32 SMBus command XC02C OFF DEL AY on page 42 Table 31 SMBus command for Off delay function Name nm nn Type Description XCO2C OFF DELAY 0x0C 0x00 r w Off delay 0x05 Table 32 SMBus command XC02C_OFF_DELAY Mode value Off Delay 0 Feature off no Off delay default 1 1 min 2 2 min 3 4 min 4 8 min 5 16 min 3 3 72 Off Acknowledge The microcontroller provides a possibility to acknowledge the shutdown It is possible at any time during Off delay to shut down the power supply by the SMBus command XC02C_OFFACK Table 33 SMBus command for Off acknowledge function Command Data 4 Name Code Range Type Description XCO2C OFFACK 0x0A 0 w Signal Off acknowledge MEN Mikro Elektronik GmbH 42 20SC21 00 E7 2012 10 04 Firmware Functions 3 3 8 Voltage Supervision Input and output voltage are supervised by the microcontroller The microcontroller supervises the 5V output voltage of the SC21 s interna
60. r the specific command code The Type column specifies the data direction for the specific command r specifies that the host can read the data using the SMBus read byte protocol w means the host can write data using the SMBus write byte protocol 3 3 2 Wake On Time The SC21 can be switched on off by a programmable timer The timer is included in the internal power supply unit s microcontroller and is programmable by the CPU via SMBus commands see Table 22 SMBus commands for wake on time function on page 38 The behavior after power up by wake on time is identical to the behavior after power up by key input After the first wake on time event the wake on time feature is disabled Note For the timer functionality it is necessary that the DC DC converter and the microcontroller are active i e the power supply unit is connected to the DC DC converter which is supplied with power The SC21 will consume approx 800 mW in this state Table 22 SMBus commands for wake on time function Command Data TT Name Code Range Type Description XCO2C WOT L 0x00 0x00 r w Wake on time low byte OxFF XCO2C WOT H 0x01 0x00 r w Wake on time high byte OxFF The wake on time delay can be configured via SMBus in a 16 bit counter to provide the range according to the following table Table 23 SMBus commands XC0O2C WOT L XCO2C WOT H Minimum Maximum Description 0 OFF 65 535 min XCO2C WOT L
61. ress Root Port 1 0 Ox1C 0x01 0x8086 0x8110 PCI Express Root Port 2 0 Ox1D 0x00 0x8086 0x8114 USB UHCI Controller 1 0 0x1D 0x01 0x8086 0x8115 USB UHCI Controller 2 0 0x1D 0x02 0x8086 0x8116 USB UHCI Controller 3 0 0x1D 0x07 0x8086 0x8117 USB EHCI Controller 0 Ox1F 0x00 0x8086 0x8119 LPC Controller 0 Ox1F 0x01 0x8086 0x811A IDE Controller 1 0x00 0x00 0x8086 0x10D3 Onboard Ethernet Controller on board ver sions with one PCI Express link on the ESM Express connector MEN Mikro Elektronik GmbH 66 20SC21 00 E7 2012 10 04 Organization of the Board 5 2 SMBus Devices Table 42 SMBus devices Address Function 0x12 XCO2BC board controller BMC1 0x60 Protected register Ox6E Protected register 0x98 Thermal sensor Ox9A XM01BC board controller BMC2 OxA0 SPD data for system memory OxAA Configuration EEPROM for SC21 OxAC Additional Configuration EEPROM for display computer data OxD2 OxD3 Clock generator 5 3 Interrupt Mapping Table 43 Interrupts Interrupt Function IRQO High precision event timer IRQ 8 High precision event timer IRQ 9 Microsoft ACPI conformal system IRQ 11 Video controller VGA compatible IRQ 11 USB Universal Serial Bus controller IRQ 13 Numerical coprocessor IRQ 14 Primary IDE channel IRQ 16 Microsoft UAA bus driver for High Definition Audio IRQ 16 PCI standard PCl to PCl bridge IRQ
62. s Description Selects power on state for NumLock Options Off On Security Option Description Selects whether the password is required every time the system boots or only when you enter setup Options Setup System APIC Mode Description APIC mode extends the number of available IRQs up to 23 IRQs for operating systems which can use this Windows XP 2000 Options Enabled MPS Version Control For OS Description Selects the multiprocessor specification MPS revision Options 14 11 OS Select For DRAM 64MB Description Select OS2 only if you are running an OS 2 operating system with greater than 64MB of RAM on the system Options Non OS2 OS2 HDD S M A R T Capability Description Enables the hard disk drive S M A R T capability The Self Monitor ing Analysis And Reporting technology monitors the hard disk s condition and allows early prediction and warning of the hard disk failing In order to use S M A R T you have to enable it and keep the S M A R T aware hardware monitoring utility running in the back ground all the time Options Disabled Enabled Full Screen LOGO Show Description Reserved to select between boot logos Options Disabled Summary Screen Show Description Show summary screen Options Enabled Disabled MEN Mikro Elektronik GmbH 52 20SC21 00 E7 2012 10 04 BIOS 4 4 Advanced Chipset Features You should make changes in this menu only if you have thorough knowledge of your system Setting
63. s always active 3 3 4 4 Key Input On The microcontroller switches on the system power whenever the debounced state of the key binary input switches from low to high state On event The microcontroller debounces the key input in the following way if the input is stable for 250ms the input state is interpreted 3 3 5 SMBus On Acknowledge The microcontroller provides an SMBus On Acknowledge feature This feature is enabled by using mode 1 to 11 according to Table 26 SMBus On acknowledge timer modes on page 40 The default mode is 0 feature disabled no SMBus Acknowledge required If enabled and the microcontroller does not receive a SMBus On acknowledge during the configurable SMBus On Acknowledge delay the microcontroller resets the complete system by activating the reset output The number of missing SMBus acknowledge exceptions is incremented and can be read via SMBus command XCO2C ONACK ERR After reset is released the acknowledge timer is restarted and the microcontroller waits for SMBus acknowledge After three exceptions the microcontroller disables the power output Vout and switches off the display After a power up of the SC21 the On Acknowledge configuration is reset MEN Mikro Elektronik GmbH 39 20SC21 00 E7 2012 10 04 Firmware Functions Table 25 SMBus commands for On acknowledge function Command Data oe Name Code Range Type Description XCO2C ONACK 0x02 0 w On acknowledge XCO2C ON
64. sabled On Chip Primary PCI IDE Description The integrated peripheral controller contains an IDE interface with support for two IDE channels Select Enabled to activate each channel Options Enabled Disabled IDE Primary Master Slave PIO Description These fields allow your system hard disk controller to work faster Rather than have the BIOS issue a series of commands that transfer to or from the disk drive PIO Programmed Input Out put allows the BIOS to communicate with the controller and CPU directly The system supports five modes numbered from 0 to 4 which primarily differ in timing When Auto is selected the BIOS will select the best available mode Options Auto Mode 1 Mode 3 Mode 0 Mode 2 Mode 4 IDE Primary Master Slave UDMA Description These fields allow your system to improve disk I O throughput to up to 100MB s with the Ultra DMA 100 feature MEN Mikro Elektronik GmbH 55 20SC21 00 E7 2012 10 04 BIOS Options Auto Disabled UDMA33 UDMA66 UDMA 100 Delay for HDD Description This feature allows users to set a higher delay for HDD detection Options 0 15 seconds Onboard Device Sub menu Intel HD Audio Controller Auto USB Client Controller Enabled Watchdog Disabled Onboard LAN 1 Controller Enabled Intel HD Audio Controller Description Enables disables the audio controller Options Auto Disabled USB Client Controller Description Enables disables the USB client controller Options Enabled
65. signment of the 8 pin RJ45 Ethernet 10 1 00Base T CONMECIOIS 0 6 34 CoU ER sie AEG Ot a 30 Table 14 Ethernet and general status LEDs from top to bottom as depicted above 0 0008 31 Table 15 Error codes signaled by BMC via LED flashes red BMC 2 status LED 22508648854 ccenn BRE Caw a a RS 32 Table 16 I2C interface connector pin assignment 020 5 38 Table 17 Touch interface connector pin assignment 0 33 Table 18 Pin assignment of the HD audio interface llle esses 34 Table 19 Signal mnemonics of the HD audio interface 2 2 34 Table 20 SMBus commands for the watchdog function 36 Table 21 SMBus command XCO2C_WDOG_TOUT 37 Table 22 SMBus commands for wake on time function 38 Table 23 SMBus commands XCO2C WOT L XC0O2C WOT H 38 Table 24 SMBus commands for binary inputs status 0 39 Table 25 SMBus commands for On acknowledge function 40 Table 26 SMBus On acknowledge timer modes 0 0 5 40 Table 27 SMBus command for shutdown by software function 40 MEN Mikro Elektronik GmbH 14 20SC21 00 E7 2012 10 04 Table 28 SMBus commands for shutdown delay 00 5 41 Table 29 SMBus command XC02C STATUS seen 41 Table 30 SMBus command XC02C DOWN DELAY 4 Table 31 SMBus comma
66. ss x1 link for the PCI Express Mini Card 2 8 1 PCI Express Mini Card Interface The SC21 supports the PCI Express Mini Card standard As an option it can also be equipped with a PCI Express Mini Card slot compatible with half size modules PCI Express Mini Cards are small form factor PCI Express cards The main differences between an ExpressCard and a PCI Express Mini Card is a smaller form factor optimized for mobile computing platforms and a card system Interconnection optimized for communication applications PCI Express Mini Cards also use smaller connectors than standard ExpressCards The cards use either a single PCI Express lane x1 or a USB connection the SC21 supports both It is equipped with one 52 pin standard PCI Express Mini Card connector The following standard signals are supported signal directions according to PCI Express Mini Card standard Table 5 Pin assignment of 52 pin PCI Express Mini Card connector Pin Signal Pin Signal 51 Reserved 52 3 3Vaux 49 Reserved 50 GND 47 Reserved 48 1 5V 45 Reserved 43 GND 41 3 3Vaux 39 3 3Vaux 40 GND 37 GND 38 USB_D 35 GND 36 USB_D 33 PETpO 34 GND 31 PETnO 32 SMB DATA 29 GND 30 SMB CLK 27 GND 28 1 5V 25 PERpO 26 GND 23 PERnO 24 3 3Vaux 21 GND 22 PERST 19 Reserved 20 Reserved 17 Reserved 18 GND MEN Mikro Elektronik GmbH 23 20SC21 00 E7 2012 10 04 Functional Description
67. terface via SA Adapter optional 33 217 Audio opUobal 15 32 9928 ics P EUR CAS EE RIDE US SHE 34 3 Firmware Functions ui 35 3 1 Board Management Controller BMC 000005 35 S I sAvaMable Functions e roo CUIRE Rope 36 3 2 Power and Display Management Controller PMC 36 3 2 1 Available Functons 024 0005 be rere een oT 3 3 SMBus Functionality 44293 2d 201 1000 ert PRU ida kenus 38 331 SMBusJntetiaGe s 5230 ner TV sense 38 MEN Mikro Elektronik GmbH 12 20SC21 00 E7 2012 10 04 Contents 332 Wake On lume oem RR E IR RE RS 38 3 33 Status of Binary Inputs s 2 29 rr e Ea 39 Se Key APU nios bd uc etra od odiosa ed erg a dr Rod 39 3 3 3 SMBus On Acknowledge ur erbe meh 39 3 3 0 ShUtdOWh o esie Puoi pps e edes pede 40 3 3 7 Shutdown Delay 5 cese ee e Re 41 3 38 Voltage Supervision sese Sere nto novere Saas cw e 43 33 9 Temperature SUpervision zu 442 000 00 100 a 43 3 3 10 Display Backlight Power and Brightness Control 44 3 3 11 Optional Autonomous Brightness Control with Photo Diode ios cp rr RR Rr REPE E 45 3 3 12 Miscellaneous Commands 2 ee 45 4 BIO osea d debe qvid dad Rar da eae ER bo bI Pb a qx VPE E 46 4I Mam Menu 542252 bor einer 46 4 2 Standard CMOS Features uw cine 4 Denen eoe epi bpm 47 4 3 Advanced BIOS Features essei e 0 e Rn 49 4 4 Advanced Chipset Features dep remet b eR pr te erred 33 4 3 Intesrateu Peripher
68. tive o 20 LVDS OPT CLK 2 LVDS differential clock 2nd pixel Negative 21 LVDS_OPT_CLK 2 LVDS differential clock 2nd pixel Positive 0 22 LVDS OPT DATA 7 LVDS differential data link 7 Negative 23 LVDS_OPT_DATA 7 LVDS differential data link 7 Positive D 24 GND Ground 25 INC Not connected D 26 NC Not connected 27 VDD Power supply 5V 3 3V nom 28 VDD Power supply 5V 3 3V nom 29 VDD Power supply 5V 3 3V nom 30 VDD Power supply 5V 3 3V nom MP1 NC Not connected MP2 NC Not connected a 27 Functional Description 2 10 1 LVDS Backlight The SC21 is also equipped with two 10 pin LVDS backlight connectors one for each LVDS interface The connector type is the 10 pin right angle DF13 from Hirose RM1 25 Table 10 Primary LVDS backlight connector pin assignment Pin Description 12V Backlight inverter supply System GND Backlight ON 1 Backlight DIM 1 5V supply optional for future use EI HB 5V supply optional for future use 12V Backlight inverter supply 12V Backlight inverter supply System GND System GND E3 E3 EJ EJ EJ E3 E3 EL C E22 C3 O AN DOA A OON HG o L o Table 11 Secondary LVDS backlight connector pin assignment Pin Description 12V Backlight inverter supply System GND Backlight ON 2 Backlight DIM 2 5V supply optional for future use d A 5V supply optional for future use 12V Backlight inverter supply
69. ure the CPU die temperature and the local board temperature MEN provides dedicated software drivers for the board controller and LM95245 device For a detailed description of the functionality of the driver software please refer to the drivers documentation You can find any driver software and documentation available for download on MEN S website 2 3 Reset The SC21 generates its own reset signal You can wake it up from reset state by externally switching the power supply off and on 2 4 Real Time Clock The supply voltage for the RTC is buffered with a capacitor that provides at least 12 hours buffer time at 40 C Optionally an additional capacitor can be assembled to achieve at least 24 hours buffer time MEN Mikro Elektronik GmbH 19 20SC21 00 E7 2012 10 04 DXX Functional Description 2 5 Processor Core The standard model of the SC21 is equipped with an Intel Atom Z520PT 1 33 GHz processor The following table gives a performance overview Table 2 Processor core options on SC21 Processor Type Core Frequency L2 Cache Front Side Bus Atom Z510P 1 1 GHz 512 KB 400 MHz Atom Z530P 16 GHz 512 KB 533 MHz Atom Z510PT 11GHz 512 KB 400MHz Atom Z520PT 1 33GHz 512 KB 533MHz 2 5 1 The SC21 generates around 8 W of power dissipation without a display Thermal Considerations The standard SC21 model is equipped with a heat sink Note that only three of its screws are necessary to hol
70. wrong values in this section may cause the system to malfunction Phoenix AwardBIOS CMOS Setup Utility Advanced Chipset Features Item Help System BIOS Cacheable Enabled Video BIOS Cacheable Disabled Menu Level gt gt WEN SETTING On Chip Frame Buffer Size 8MB Boot Type LVDS LCD Panel Type 1024x768 generic ax is Fb Previous Values F6 BIOS Default Values F7 Last Saved Values DRAM Timing Selectable Description Sets the method by which the DRAM timing is selected If By SPD is selected the values for the following five items are configured from the contents of the SPD Serial Presence Detect device Options By SPD System BIOS Cacheable Description Selecting Enabled allows caching of the system BIOS ROM at OxF0000 to OxFFFFF resulting in better system performance Options Enabled Disabled Video BIOS Cacheable Description Selecting Enabled allows caching of the video BIOS ROM at 0xC0000 to OxCFFF resulting in better video performance Options Enabled Disabled VGA On Chip Frame Buffer Size Description Controls the pre allocated memory for frame buffer Options 1MB 8MB 4 MB MEN Mikro ElektronikGmbH 53 20SC21 00 E7 2012 10 04 dace e D BIOS VGA Boot Type Description Selects the video device that will be activated during POST Options VBIOS Default SDVO LVDS VGA LCD Panel Type Description Selects the L

20SC21-00 E7 User Manual - Diamond Point International

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