MB820 USER`S MANUAL
Contents
1. 15 AGPT AGP S1 t i 35 eee eere rie eroe tese 15 PCI1 PCI2 PCB PCIA PCI Slots eese 15 SEL SEZ ISA SIOtS ote cct erre reete etse reete Bankes 15 CN1 PS 2 Keyboard and PS 2 Mouse Connectors 16 CN2 4 port USB Connector sse 16 CN3 J3 Serial Ports essere 16 CN4 Parallel Port Connector r rarrrrrnnnnnrnnnsnrseensnnnnnnenssennannrnnnener 17 CN6 VGA CRT Connector esses enne 17 CN7 USB and LAN RJ45 Connectors ervrnrrrrronnnnrnrnvnrsrensnnrnrnener 18 CN8 Audio Connector serne a EE E E E 18 J IDA Connector ern preter eerie 18 J4 CD In Audio Connector rernrrnnrrrnrennrnvrrrnvrnrsrerrenssnnrnenrenvnnsere 18 J5 J6 Serial ATA SATA Connectors rarnrnnnrnnanvrrnnvnnenvrrsnrsrensr 19 J8 J10 COMG and COMA Serial Ports Connector 19 J9 Wake On LAN Connector cccccccecesssssscececeeeesssssceeeeeeeeneas 19 J11 Digital I O Connector 4 in 4 out sess 20 J12 System Function Connector eee 20 113 USB COMME COR oes sce eint tte ene 20 FANI CPU Fan Power Connector essen 22 FAN2 VGA Fan Power Connector eese 22 FANG Chassis Fan Power Connector cccccccssccecessseceeesseeeens 22 FDD1 Floppy Drive Connector eene 23 IDE IDE2 Primary and Secondary IDE Connectors 24 MB820 User2. MB820 User s Manual 33 BIOS SETUP UDIN Video This field selects the type of video display card installed in your system You can choose the following video display cards EGA VGA For EGA VGA SEGA SVGA or PGA monitor adapters default CGA 40 Power up in 40 column mode CGA 80 Power up in 80 column mode MONO For Hercules or MDA adapters Halt On This field determines whether or not the system will halt if an error is detected during power up No errors The system boot will not be halted for any error that may be detected All errors Whenever the BIOS detects a non fatal error the system will stop and you will be prompted All But Keyboard The system boot will not be halted for a keyboard error it will stop for all other errors All But Diskette The system boot will not be halted for a disk error it will stop for all other errors All But Disk Key The system boot will not be halted for a key board or disk error it will stop for all others EEO EEE tr at 1 34 MB820 User s Manual BIOS SETUP DT Advanced BIOS Features This section allows you to configure and improve your system and allows you to set up some system features according to your preference Phoenix AwardBIOS CMOS Setup Utility Advanced BIOS Features Hard Disk Boot Priority Press Enter ITEM HELP CPU L1 and L2 Cache Enabled Menu Level Hyper threading Technology Enabled Quick Power On
3. se 56 VGA Drivers Installation eee 57 MB820 User s Manual iii This page is intentionally left blank TE iv MB820 User s Manual INTRODUCTION Introduction Checklist Your MB820 Pentium 4 motherboard package should include the items listed below e The MB820 motherboard e This User s Manual e Backplate e 2IDE Cable e 1 Floppy Cable e 2SATA Cable e 1 Dual Serial Port Cable e 1 CD containing the following e Chipset Drivers e Flash Memory Utility MB820 User s Manual 1 INSTALLATIONS Product Description The MB820 Pentium 4 motherboard incorporates the Intel 875P chipset that can utilize a single PGA478 processor of up to 3 2GHz or higher and supports FSB frequency of 400 533 800Mhz 100Mhz 133Mhz and 200Mhz HCLK respectively The 875P chipset is designed for use with the Pentium 4 processor with 512 KB L2 cache on 0 13 micron process The integrated MCH component provides the CPU interface DDR interface AGP interface Hub Interface and AGP 8X graphics interface Four DDR memory sockets supports DDR 400 333 266 SDRAM DIMM modules of up to 4GB in capacity ECC is also supported The board also comes optional with either integrated 10 100MB LAN support or an Intel 82547GI Gigabit LAN controller Two Serial ATA connectors offer 1 5 Gigabits sec data throughput speed faster than the most advanced parallel ATA Expansion is provided by four PCI slots
4. Pin Signal Name PD2 parallel data2 4 17 Select PD3 parallel data3 5 18 Ground PD4 parallel data4 6 19 Ground PD6 parallel data6 8 PD7 parallel data7 9 CN6 VGA CRT Connector CN6 is a DB 15 VGA connector located beside the COMI port The following table shows the pin out assignments of this connector Sera Nan Link Pin Signal Name EE Se UND pe EE uq E MB820 User s Manual 17 INSTALLATIONS ssvve msvv vvs CN7 USB and LAN RJ45 Connectors CN7 consists of an RJ 45 connector top and two stacked USB ports Refer to the section below for their respective pin assignments Pin Signal Name Vcc 2 USB 3 USB CN8 Audio Connector CNS is a 3 jack audio c nnector beside the USB RJ45 combo conn stor J1 IrDA Connector J1 is used for an optional IrDA connector for wireless communication Pin Signal Name 5V No connect Ir RX Ground Ir TX J4 CD In Audio Connector Pin Signal Name CD Audio R Ground Ground CD Audio L 18 MB820 User s Manual INSTALLATIONS A vm J5 J6 Serial ATA SATA Connectors The SATA connectors support serial ATA 150 Each connector can only use one serial ATA hard disk J6 is port 1 and J5 is port 2 J8 J10 COM3 and COM4 Serial Ports Connector J8 and J10
5. 4 processors The Socket 478 processor socket comes with a lever to secure the processor Raise this lever to about a 90 angle to allow the insertion of the processor Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has slide into the socket return the lever to the lock position Refer to the figures below After you have installed the processor into the socket check if the jumpers for the CPU type and speed are correct NOTE Ensure that the CPU heat sink and the CPU top surface are in total contact to avoid CPU overheating problem that would cause your system to hang or be unstable 6 MB820 User s Manual INSTALLATIONS ATX Power Installation The system power is provided to the motherboard with the ATXP1 and ATXP2 ATX power connectors ATXP2 is a 4 pin 12V power connector ATXPI is to be connected to a standard ATX power connector Installing the Memory The MB820 motherboard supports four DDR memory sockets for a maximum total memory of 4GB in DDR memory type You can install unbuffered amp ECC DDR DIMMs It supports DDR266 when installed with CPUs that have clock speeds of 400MHz It supports DDR266 333 when installed with CPUs that have clock speeds of 533MHz It supports DDR266 320 400 when installed with CPUs that have clock speeds of 800MHz The board provides dual channel functionality for its DIMM
6. Parallel Port 378H IRQ7 GEU UU eg gt sg 42 MB820 User s Manual BIOS SETUP UART Mode Select This field determines the UART 2 mode in your computer The default value is Normal Other options include rDA and ASKIR Parallel Port Mode This field allows you to determine parallel port mode function SPP Standard Printer Port EPP Enhanced Parallel Port ECP Extended Capabilities Port Chip Select Pin This item is used in conjunction with the digital I O function MB820 User s Manual 438 BIOS SETUP Power Management Setup The Power Management Setup allows you to save energy of your system effectively Phoenix AwardBIOS CMOS Setup Utility ACPI Function Power Management Video Off Method Video Off In Suspend Suspend Type Modem Use IRQ Suspend Mode HDD Power Down Soft Off by PWR BTTN CPU THRM Throttling Wake Up by PCI Card Power On by Ring Wake Up on Lan Resume by Alarm Date of Month Alarm Time hh mm ss Alarm Reload Global Timer Events Primary IDE 0 Primary IDE 1 Secondary IDE 0 Secondary IDE 1 FDD COM LPT Port PCI PIRQ A D ACPI Function Power Management Setup Enabled User Define V H SYNC Blank Yes Stop Grant 3 Disabled Disabled Instant Off 50 Disabled Disabled Disabled Disabled 0 0 0 0 ITEM HELP Menu Level Enabled Enabled Enabled Enabled Enabled Enabled Enable this function to support ACPI Advance Configuration and Power Interface
7. slots DIMM1 2is for one channel and DIMM34 is for another channel Enabling dual channels can increase data access rates by putting two similar size DDR modules into two same color DIMM slots Basically the system memory interface has the following features Supports two 64 bit wide DDR data channels Available bandwidth up to 3 2GB s DDR400 for single channel mode and 6 4GB s DDRA00 in dual channel mode Supports ECC DIMMs Supports 128Mb 256Mb 512Mb 1Gb DDR technologies Supports only x8 x16 DDR devices with four banks Registered DIMMs not supported Supports opportunistic refresh Up to 16 simultaneously open pages four per row four rows maximum MB820 User s Manual 7 INSTALLATIONS Setting the Jumpers Jumpers are used on MB820 to select various settings and features according to your needs and applications Contact your supplier if you have doubts about the best configuration for your needs The following lists the connectors on MB820 and their respective functions Jumper Locations on MB820 ernvrrvrnvvnnnvvrvvrrvvrrnrvenrveraveravereevresnen 9 JP1 RS232 422 485 COMO Selection eee eee sees 10 JP2 COMI RS232 5V 12V Power Setting 10 JP3 COM2 RS232 5V 12V Power Setting eee 10 JP4 Clear CMOS Contents eese 11 JP5 COM3 RS232 5V 12V Power Setting ss 11 JP6 COM4 RS232 5V 12V Power Setting eee eee 11 JP7 DiskOnCh
8. IRQ4 Menu Level Onboard Serial Port 2 2F8 IRQ3 UART Mode Select Normal RxD TxD Active Hi Lo IR Transmission Delay Enabled UR2 Duplex Mode Half Use IR Pins IR Rx2Tx2 Onboard Parallel Port 378 IRQ7 Parallel Port Mode SPP EPP Mode Select EPP1 7 ECP Mode Use DMA 3 Onboard Serial Port 3 3E8H Serial Port 3 Use IRQ IRQ5 Onboard Serial Port 4 Disabled Serial Port 4 Use IRQ IRQ10 Chip Select Pin Disabled IDE HDD Block Mode This field allows your hard disk controller to use the fast block mode to transfer data to and from your hard disk drive IDE DMA Transfer Access Allows IDE transfer to be done in DMA mode OnChip Primary Secondary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels Select Enabled to activate each channel separately IDE Primary Secondary Master Slave PIO 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 Output allows the BIOS to communicate with the controller and CPU directly The system supports five modes numbered from 0 default to 4 which primarily differ in timing When Auto is selected the BIOS will select the best available mode IDE Primary Secondary Master Slave UDMA These fields allow your system to improve disk I O throughput to 33Mb sec with the Ultra DMA 33 feature The options are Auto and Disable
9. Power Management This field allows you to select the type of power saving management modes There are four selections for Power Management Min Power Saving Max Power Saving User Define Minimum power management Maximum power management Each of the ranges is from min to Ihr Except for HDD Power Down which ranges from 1 min to 15 min eU tg pu Se ss 44 MB820 User s Manual BIOS SETUP nmm M Video Off Method This field defines the Video Off features There are three options V H SYNC Blank Default setting blank the screen and turn off vertical and horizontal scanning DPMS Allows BIOS to control the video display Blank Screen Writes blanks to the video buffer Video Off In Suspend When enabled the video is off in suspend mode The default setting is Yes Suspend Type The default setting for the Suspend Type field is Stop Grant Modem Use IRQ This field sets the IRQ used by the Modem By default the setting is 3 Suspend Mode When enabled and after the set time of system inactivity all devices except the CPU will be shut off HDD Power Down When enabled and after the set time of system inactivity the hard disk drive will be powered down while all other devices remain active Soft Off by PWRBTN This field defines the power off mode when using an ATX power supply The Instant Off mode allows powering off immediately upon pressing the power button In the Delay 4 Sec mode the s
10. certain BIOS calls to access memory The default setting is Non OS 2 Report No FDD For WIN 95 If you are using Windows 95 98 without a floppy disk drive select Enabled to release IRQ6 This is required to pass Windows 95 98 s SCT test You should also disable the Onboard FDC Controller in the Integrated Peripherals screen when there s no floppy drive in the system If you set this feature to Disabled the BIOS will not report the missing floppy drive to Win95 98 Small Logo EPA Show The EPA logo appears at the right side of the monitor screen when the system is boot up The default setting is Enabled eee est MB820 User s Manual 37 BIOS SETUP a Advanced Chipset Features This Setup menu controls the configuration of the chipset Phoenix AwardBIOS CMOS Setup Utility Advanced Chipset Features DRAM Timing Selectable ITEM HELP CAS Latency Time Menu Level Active to Precharge Delay DRAM RAStt to CAS Delay DRAM RAS Precharge Memory Frequency For Auto System BIOS Cacheable Enabled Video BIOS Cacheable Enabled Memory Hole at 15M 16M Disabled Delay Prior to Thermal 16 Min AGP Aperture Size MB 128 Init Display First PCI Slot DRAM Data Integrity Mode Non ECC DRAM Timing Selectable This option refers to the method by which the DRAM timing is selected The default is By SPD CAS Latency Time You can configure CAS latency time in HCLKs as 2 or 2 5 or 3 The system board designer should set the values in this
11. field depending on the DRAM installed Do not change the values in this field unless you change specifications of the installed DRAM or the installed CPU Active to Precharge Delay The default setting for the Active to Precharge Delay is 7 DRAM RAS to CAS Delay This option allows you to insert a delay between the RAS Row Address Strobe and CAS Column Address Strobe signals This delay occurs when the SDRAM is written to read from or refreshed Reducing the delay improves the performance of the SDRAM DRAM RAS Precharge This option sets the number of cycles required for the RAS to accumulate its charge before the SDRAM refreshes The default setting for the Active to Precharge Delay is 3 pec C UU UA SSS ss 38 MB820 User s Manual BIOS SETUP a Memory Frequency For This field sets the frequency of the DRAM memory installed The default setting is Auto The other settings are DDR266 DDR333 DDR320 and DDR400 System BIOS Cacheable The setting of Enabled allows caching of the system BIOS ROM at F000h FFFFFh resulting in better system performance However if any program writes to this memory area a system error may result Video BIOS Cacheable The Setting Enabled allows caching of the video BIOS ROM at C0000h F7FFFh resulting in better video performance However if any program writes to this memory area a system error may result Memory Hole At 15M 16M In order to improve performance certain space in memory c
12. s Manual 13 INSTALLATIONS Connector Locations on MB820 Connectors on MB820 Page ATXP1 ATX Power Supply Connector 15 ATXP2 ATX 12V Power Connector 5 CNI PS 2 Keyboard and PS 2 Mouse Connecto 6 CN2 4 port USB Connector 6 CN3 J3 Serial Ports 6 CN4 Parallel Port Connector yi CN6 VGA CRT Connector 7 CN7 USB and LAN RJ45 Connectors 8 CNS8 Audio Connector 8 J1 IrDA Connector 8 J4 CD In Audio Connector 8 J5 J6 Serial ATA SATA Connectoi 9 J8 J10 COM3 and COM4 Serial Ports Connector 9 J9 Wake On LAN Connector 9 J11 Digital I O Connector 4 in 4 out 20 J12 System Function Connector 20 J13 USB Connector 20 FANI CPU Fan Power Connector 22 FAN2 VGA Fan Power Connector 22 FAN3 Chassis Fan Power Connecto 22 FDDI Floppy Drive Connector 23 IDE IDE2 Primary and Secondary IDE Connectors 24 14 MB820 User s Manual INSTALLATIONS ATXP1 ATX Power Supply Connector ATXPI is a 20 pin ATX power supply connector Refer to the following table for the pin out assignments le 5V 19 9 5VSB 20 10 ATXP2 ATX 12V Power Connector 2 EN DIMM1 DIMM2 DDR Channel A Connectors DIMMI and DIMM2 are the first DDR channel connectors that must be use together a
13. will be hidden Quick Power On Self Test When enabled this field speeds up the Power On Self Test POST after the system is turned on If it is set to Enabled BIOS will skip some items Hum A p e9 MB820 User s Manual 35 BIOS SETUP a First Second Third Boot Device These fields determine the drive that the system searches first for an operating system The options available include Floppy LS120 Hard Disk CDROM ZIP 100 USB FDD USB CDROM and Disable Boot Other Device These fields allow the system to search for an operating system from other devices other than the ones selected in the First Second Third Boot Device Swap Floppy Drive This item allows you to determine whether or not to enable Swap Floppy Drive When enabled the BIOS swaps floppy drive assignments so that Drive A becomes Drive B and Drive B becomes Drive A By default this field is set to Disabled Boot Up Floppy Seek This feature controls whether the BIOS checks for a floppy drive while booting up If it cannot detect one either due to improper configuration or its absence it will flash an error message Boot Up NumLock Status This allows you to activate the NumLock function after you power up the system Gate A20 Option This field allows you to select how Gate A20 is worked Gate A20 is a device used to address memory above 1 MB Typematic Rate Setting When disabled continually holding down a key on your keyboard
14. 27H ICH5 built in IDE1 IDE2 Ultra DMA 33 66 100 Serial ATA connector Two 2 ports D type connectors PS 2 mouse PS 2 keybo rd VGA CRT RJ 45 Sound USBx6 ATX 12V 1 AGP slot 4 PCI slots 2 ISA slots Winbond W83628F with 83629D Winbond 83877 COM3 OM4 RS 232 Six 6 ports on board U B 2 0 compliant Digital I O 4 In 4 Out SSD Interface DiskOnChip socket supp rts up to 512MB capacit Watchdog Timer Supports 256 segments 1 1 2 255 sec min System Voltages 5V 12V 12V 5VSB SV 3 3V Board Size 12 x 9 5 ATX form fact Other Features IrDA interface Modem W ikeup LAN Wakeup lt O Power Connector Expansion Slots PCI to ISA Bridge Secondary Super I O MB820 User s Manual 3 INSTALLATIONS Board Dimensions 4 MB820 User s Manual INSTALLATIONS a Installations This section provides information on how to use the jumpers and connectors on the MB820 in order to set up a workable system The topics covered are Installing the CPU 4a lie tee ete 6 ATX Power Installation eene 7 Installing the Memory eene 7 Setting the Jumpers essere eene 8 Connectors on MB820 sess 13 Watchdog Timer Configuration esses 25 MB820 User s Manual 5 INSTALLATIONS Installing the CPU The MB820 motherboard supports a Socket 478 processor socket for Intel Pentium
15. A 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 Emm A E OUOU MB820 User s Manual 47 BIOS SETUP a PC Health Status This section shows the parameters in determining the PC Health Status These parameters include temperatures fan speeds and voltages Phoenix AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature Disabled ITEM HELP System Temp Menu Level CPU Temp CPU FAN Speed FAN1 System FAN Speed FAN3 Chassis FAN Speed FAN2 Vcore V 3 3V 5V 12V 12V VBAT 5VSB V Shutdown Temperature Disabled CPU Fan Failure Warning Disabled Sys FAN Failure Warning Disabled Cha FAN Failure Warning Disabled CPU Warning Temperature This field allows the user to set the temperature so that when the temperature is reached the system sounds a warning This function can help prevent damage to the system that is caused by overheating Temperatures Fan Speeds Voltages These fields are the parameters of the hardware monitoring function feature of the motherboard The values are read only values as monitored by the system and show the PC health status Shutdown Temperature This field allows the user to set the temperature by which the system automatically shuts down once the threshold temperature is reached This function can help prevent damage to the system that is caused by overheating CPU System Chassis Fan Failure
16. MB820 Socket 478 Pentium 4 Intel 875P Chipset Industrial Motherboard USER S MANUAL Version 1 1 Acknowledgments Award is a registered trademark of Award Software International Inc PS 2 is a trademark of International Business Machines Corporation Intel and Pentium 4 are registered trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corporation Winbond is a registered trademark of Winbond Electronics Corporation All other product names or trademarks are properties of their respective owners ii MB820 User s Manual Table of Contents Introduction eee 1 Checklist setts Leite ce Bake ee 1 Product Description ii tre netus 2 SPECHICAHONS nsen eere ia eena ec ertet ees 3 Board Dimensions eese eene 4 Installations 5 Installing the CPU 5 rr e teret 6 ATX Power Installation eee 7 Installing the Memory eene 7 Setting the Jumpets eere inei eterni 8 Connectors on MB820 ssseseee eene 13 Watchdog Timer Configuration esse 25 BIOS Selena either oa on a 29 Drivers Installation 51 Intel 875P Chipset Software Intallation Utility 52 Realtek AC97 Codec Audio Driver Installation 55 Intel PRO LAN Drivers Installation
17. Next to start copying of files needed for the driver installation eite Tenor Canina Programs T picos ell eu S con M lion Pegg iri ponat oru bh epee biting sel lee visa Hanae one hese munning Clot Heat ia cones vali ber Setup pear WAFFEN Thi H lys qu was pacis i poets be ops gr 4 After file copying is done restart the computer when prompted for changes to take effect roe Ea byan lever oeng T ty pa ropte Balor fo car usa the pagan pm uu rasler indir od BU Dari G pan T i E Ea re ps em T7 Ha l sis reg aa bakes re Sii a Fora Her diete ima ther dice Fa o sarte rre rue 58 MB820 User s Manual
18. OR 25 26 Ground IOCHRDY 27 28 Host ALE DACKO 29 30 Ground IRQ14 31 32 No connect Address 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 Activit 39 40 Ground Signal Name Reset IDE Signal Name Ground Host data 7 Host data 8 Host data 6 Host data 9 Host data 5 Host data 10 Host data 4 Host data 11 Host data 3 Host data 12 Host data 2 Host data 13 Host data 1 Host data 14 Host data 0 Host data 15 Ground Protect pin DROI Ground Host IOW Ground Host IOR Ground IOCHRDY Host ALE DACKI Ground IRQ15 No connect Address 1 No connect Address 0 Address 2 Chip select 0 Chip select 1 Activit MB820 User s Manual Ground INSTALLATIONS Watchdog Timer Configuration The WDT is used to generate a variety of output signals after a user programmable count The WDT is suitable for use in the prevention of system lock up such as when software becomes trapped in a deadlock Under these sort of circumstances the timer will count to zero and the selected outputs will be driven Under normal circumstance the user will restart the WDT at regular intervals before the timer counts to zero SAMPLE CODE This code and information is provided as is without warranty of any kind either expressed or implied including but not limited to the implied warrant
19. Self Test Enabled First Boot Device Floppy Select Hard Disk Boot Device Second Boot Device Hard Disk Priority Third Boot Device CD ROM Boot Other Device Enabled Swap Floppy Drive Disabled Boot Up Floppy Seek Disabled Boot Up Numlock Status On Gate A20 Option Fast Typematic Rate Setting Disab Typematic Rate chars Sec 6 Typematic Delay Msec 250 Security Option Setup APIC Mode Enabled MPS Version Control for OS 1 4 OS Select For DRAM gt 64MB Non OS2 Report No FDD For WIN 95 Yes Small Logo EPA Show Enabled Hard Disk Boot Priority This item allows you to set the priority for hard disk boot When you press enter the selections shows the current hard disks used in your system as well as the Bootable Add in Card that is relevant to other boot sources media such as SCSI cards and LAN cards CPU L1 and L2 Cache Cache memory is additional memory that is much faster than conventional DRAM system memory CPUs from 486 type on up contain internal cache memory and most but not all modern PCs have additional external cache memory When the CPU requests data the system transfers the requested data from the main DRAM into cache memory for even faster access by the CPU These items allow you to enable speed up memory access or disable the cache function By default these items are Enabled Hyper Threading Technology This feature is enabled when your processor supports Hyper Threading Technology Otherwise this field
20. Warning When enabled this field lets the system sounds an audible warning to the user that the CPU fan or chassis fan has malfunctioned z L 5 48 MB820 User s Manual BIOS SETUP Frequency Voltage Control This section shows the user how to configure the processor frequency Phoenix AwardBIOS CMOS Setup Utility Frequency Voltage Control Auto Detect DIMM PCI Clk Disabled ITEM HELP Spread Spectrum Disabled Menu Level Auto Detect DIMM PCI Clk This field enables or disables the auto detection of the PCI clock Spread Spectrum This field sets the value of the spread spectrum The default setting is Disabled This field is for CE testing use only EA sn se mr amt MB820 User s Manual 49 BIOS SETUP a Load Fail Safe Defaults This option allows you to load the troubleshooting default values permanently stored in the BIOS ROM These default settings are non optimal and disable all high performance features Load Setup Defaults This option allows you to load the default values to your system configuration These default settings are optimal and enable all high performance features Set Supervisor User Password These two options set the system password Supervisor Password sets a password that will be used to protect the system and Setup utility User Password sets a password that will be used exclusively on the system To specify a password highlight the type you want and press lt Enter gt The Enter Passwo
21. an be reserved for ISA cards This memory must be mapped into the memory space below 16 MB The choices are Enabled and Disabled Delay Prior to Thermal This field activates the CPU thermal function after the systems boots for the set number of minutes The options are 6Min and 64Min AGP Aperture Size The field sets aperture size of the graphics The aperture is a portion of the PCI memory address range dedicated for graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any translation The default setting is 128M Init Display First This field allows the system to initialize first the VGA on chip or the display card on the PCI Slot DRAM Data Integrity Mode This BIOS feature controls the ECC feature of the memory controller ECC which stands for Error Checking and Correction enables the memory controller to detect and correct single bit soft memory errors The memory controller will also be able to detect double bit errors although it will not be able to correct them This provides increased data integrity and system stability However this feature can only be enabled if you are using special ECC memory modules EI PM R H M P o 9 MB820 User s Manual 39 BIOS SETUP I a 8 Integrated Peripherals This section sets configurations for your hard disk and other integrated peripherals The f
22. ar Click Intel R Chipsets then Intel R 875P Chipset Family Drivers Click Realtek AC97 Codec Audio Drivers to start installation Fit hal Brand copo rhis Gage si ATO asks Dee Mazim pour Compa Ero vau can ura fur Pare nl GC baio Drean posu mart Prod gs o tonum m og CO A R eea a A p aa rajen V Hajali my cope bee Hera ary debs from thee cree arat he cach Enim im MB820 User s Manual 55 DRIVERS INSTALLATION Intel PRO LAN Drivers Installation The Intel PRO LAN drivers support both Intel PRO 100 and PRO 1000 drivers Follow the steps below to complete the installation 1 Insert the CD that comes with the motherboard and the screen below would appear Click on LAN Card on the left side to make the LAN drivers selection Click on Intel R PRO LAN Drivers 3 When prompted click Restart to restart the computer for new settings to take effect lli L LLL UL c o s 56 MB820 User s Manual DRIVERS INSTALLATION VGA Drivers Installation To install the SMI VGA drivers SMI SM712 follow the steps below to proceed with the installation 1 Insert the CD that comes with the MB820 and the screen below would appear Click VGA Card on the left side 2 On the right side of the screen click on SMI712 VGA Driver Hm M MB820 User s Manual 57 DRIVERS INSTALLATION 3 A Welcome screen would then appear Click
23. are both 10 pin headers as the COM3 and COM4 amp serial port pin headers supporting RS232 Pin Signal Name LO CAPD NB Wl NY J9 Wake On LAN Connector J9 is a 3 pin header for the Wake On LAN function on the motherboard The following table shows the pin out assignments of this connector Wake On LAN will function properly only with an ATX power supply with 5VSB that has 1A Pin Signal Name l 5VSB 2 Ground 3 LAN Wakeup MB820 User s Manual 19 INSTALLATIONS J11 Digital I O Connector 4 in 4 out This 12 pin Digital I O connector supports TTL levels and is used to control external devices requiring ON OFF circuitry Signal Name Pin Pin Signal Name L TNU INI 2 8 our a po 9 Ground EN 3 5 4 EA OUT2 OUT3 J12 System Function Connector J12 provides connectors for system indicators that provide light indication of the computer activities and switches to change the computer status J12 is a 20 pin header that provides interfaces for the following functions Hard Disk Drive LED 9 H B B Reset Switch Not Defined B BJ ATX Power On Switch SMI Hardware Switch Power LED Speaker elt tee Ea ED 60 Speaker Pins 1 4 This connector provides an interface to a speaker for audio tone generation An 8 ohm speaker is recommended Pin Signal Name Speak
24. d Emm A ER A o Uu M1 MB820 User s Manual 41 BIOS SETUP m A M On Chip Serial ATA The default setting of Auto allows the Serial ATA drive to be enabled when the system detects one USB Controller The options for this field are Enabled and Disabled By default this field is set to Enabled USB 2 0 Controller The options for this field are Enabled and Disabled By default this field is set to Disabled In order to use USB 2 0 necessary OS drivers must be installed first USB Keyboard Support The options for this field are Enabled and Disabled By default this field is set to Disabled USB Mouse Support The options for this field are Enabled and Disabled By default this field is set to Disabled AC97 Audio The default setting of the AC97 Audio is Auto LAN Controller The default setting of the LAN controller is Enabled Onboard FDC Controller Select Enabled if your system has a floppy disk controller FDC installed on the motherboard and you wish to use it If you install an add in FDC or the system has no floppy drive select Disabled in this field This option allows you to select the onboard FDD port Onboard Serial Parallel Port These fields allow you to select the onboard serial and parallel ports and their addresses The default values for these ports are Serial Port 1 3F8 IRQ4 Serial Port 2 2F8 IRQ3 Serial Port 3 3E8H IRQ5 Serial Port 4 Disabled
25. e LE D qq pee T pe ule 8 ve FAN1 CPU Fan Power Connector Pin Signal Name Ground 12V Rotation detection FAN2 VGA Fan Power Connector Pin Signal Name Ground 12V Rotation detection FAN3 Chassis Fan Power Connector Pin Signal Name Ground 12V Rotation detection E 22 MB820 User s Manual INSTALLATIONS FDD1 Floppy Drive Connector Signal Name Pin Pin Signal Name Ground RM LC Ground No connect Ground No connect Ground Index 7 Ground Motor enable 0 Ground Drive select 1 s Ground Drive select 0 H Ground Motor enable 1 Ground Direction Ground Step on Ground Write data ane Ground Write gate 958 Ground Track 00 FDD1 Ground Write protect Ground Read data Ground Side 1 select Ground Diskette change EEE MB820 User s Manual 23 INSTALLATIONS IDE IDE2 Primary and Secondary IDE Connectors Signal Name Pin Pin Signal Name IDE1 24 IDE2 Reset IDE 1 2 Ground Host data 7 3 4 Host data 8 Host data 6 5 6 Host data 9 Host data 5 7 8 Host data 10 Host data 4 9 10 Host data 11 Host data 3 11 12 Host data 12 Host data 2 13 14 Host data 13 Host data 1 15 16 Host data 14 Host data 0 17 18 Host data 15 Ground 19 20 Protect pin DRQO 21 22 Ground Host IOW 23 24 Ground Host I
26. eee col Ed Freri Eve FARBE DCN boy i prm Ier eed of Hn eee HEL SOFT AM AE MERGE ABAEERIENT DEA EN Mu osten A jr jum l bd PORT AMT PEAD BEFORE COPI GTA SIG and Ba bolle n ET le ia cs kaca la bad LC LI tL MES ILLI EE rk Taina ed TE EE TE vmi cuni accaqu eur Ci MB820 User s Manual 53 DRIVERS INSTALLATION 5 On Readme Information screen click Next to continue the installation Puacr bisit bain Sande estan LM Fedeasa Peacharun im aac 2100 101 Tana Chee inden So a Dalec arci 12 205 Fix rien bar cd beist buoni timi iode es e Ft Hr L2 EEE AKA SEEL ETE EEE EDMTENTS OF THIS DOCEERT 6 The Setup process is now complete Click Finish to restart the computer and for changes to take effect When the computer has restarted the system will be able to find some devices Restart your computer when prompted Ira LS haki etd Complete Tha irri ail EE o ad har quc carr ballo incl ales inis t h ner item riety Ly Etne pou can ara dw popan peus murs eed fs cere am samrd ban maim mg corgais nors C MW d alsi mg i Lakes Fiere gop bets umi Bann bee gud Paris r Fen s DLE cum nm oem 54 MB820 User s Manual DRIVERS INSTALLATION Realtek AC97 Codec Audio Driver Installation Follow the steps below to install the Realtek AC97 Codec Audio Drivers 1 Insert the CD that comes with the motherboard and the screen below would appe
27. er out No connect Ground 5V He lim o puc pt 20 MB820 User s Manual INSTALLATIONS Power LED Pins 11 15 The power LED indicates the status of the main power switch Pin Signal Name Power LED No connect m n Ground 4 e No connect Ground SMI Hardware Switch Pins 6 and 16 This connector supports the Green Switch on the control panel which when pressed will force the system into the power saving mode immediately C Pinf Signal Name H 6 SMI 16 Ground ATX Power ON Switch Pins 7 and 17 This 2 pin connector is an ATX Power Supply On Off Switch on the system that connects to the power switch on the case When pressed the power switch will force the system to power on When pressed again it will force the system to power off Reset Switch Pins 9 and 19 The reset switch allows the user to reset the system without turning the main power switch off and then on again Orientation is not required when making a connection to this header EnO MB820 User s Manual 21 INSTALLATIONS Hard Disk Drive LED Connector Pins 10 and 20 This connector connects to the hard drive activity LED on control panel This LED will flash when the HDD is being accessed Pin Signal Name C 10 HDD Active 7 20 5V J13 USB Connector The following table shows the pin outs of the USB pin header connector Signal Name Pin Pin Signal Nam
28. g Endp MB820 User s Manual 27 INSTALLATIONS SET Name Read Reg IN CL register index OUT AL Value to read Read Reg Proc Near moval cl movdx 2Eh out dx al inc dx in al dx ret Read Reg Endp E pam M M x 28 MB820 User s Manual BIOS SETUP BIOS Setup This chapter describes the different settings available in the Award BIOS that comes with the motherboard The topics covered in this chapter are as follows BIOS Introduction sopore T er eed 30 BIOS Setup iue irte egt te bl c eere ets 30 Standard CMOS Setup sssssssssseseseeeeenenenenenne 32 Advanced BIOS Features sssseeeeeeeeeeee 35 Advanced Chipset Features see 38 Integrated Peripherals see 40 Power Management Setup sse 44 PNP PCI Configurations esseeeeeeeneeeeenn 47 PG Health Status oe e Eee tee Eth 48 Frequency Voltage Control eee 49 Load Fail Safe Defaults sse 50 Load Setup Defaults sees 50 Set Supervisor User Password sss 50 Save amp Exit Setup menenrrrrrrvrvvrrenevenenerersvrereserenenenenesesesesesssssrnee 50 Exit Without Saving essent 50 Hei OO c P Mn MB820 User s Manual 29 BIOS SETUP a BIOS Introduction The Award BIOS Basic Input Output System installed in your comp
29. hort Closed 5V 10 MB820 User s Manual INSTALLATIONS JP4 Clear CMOS Contents Use JP4 a 3 pin header to clear the CMOS contents Note that the ATX power connector should be disconnected from the motherboard before clearing CMOS Pin 1 2 Normal Short Closed Pin 2 3 Clear CMOS Short Closed JP5 COM3 RS232 5V 12V Power Setting Pin 1 2 Short Closed 12V Pin 3 4 Short Closed Normal Pin 5 6 Short Closed 5V JP6 COM4 RS232 5V 12V Power Setting Pin 1 2 Pin 3 4 Short Closed Pin 5 6 Short Closed 5V MB820 User s Manual 11 INSTALLATIONS a JP7 DiskOnChip Address Select D8000 DFFFF default JP8 Onboard VGA Enable Disable Use JP8 to enable or disable the onboard VGA controller Pin 1 2 Enabled Short Closed Pin 2 3 Disabled Short Closed 12 MB820 User s Manual INSTALLATIONS Connectors on MB820 The connectors on MB820 allows you to connect external devices such as keyboard floppy disk drives hard disk drives printers etc The following table lists the connectors on MB820 and their respective functions Connector Locations on MB820 sse 14 ATXP1 ATX Power Supply Connector eese 15 ATXP2 ATX 12V Power Connector rererrrrrrrennnnrvrnvnrsernsnnrnnnener 15 DIMM1 DIMM2 DDR Channel A Connectors 15 DIMM3 DIMM4 DDR Channel B Connectors
30. ies of merchantability and or fitness for a particular purpose Name Enable And Set Watchdog IN AL 1sec 255sec OUT None Enable And Set Watchdog Proc Near push ax save time interval call Unlock Chip movcl 2Bh call Read Reg and al NOT 10h call Write Reg set GP24 as WDTO movcl 07h moval 08h call Write Reg switch to LD8 Hei UO o H mg MB820 User s Manual 25 INSTALLATIONS a movcl OF5h call Read Reg and al NOT 08h call Write Reg set count mode as second pop ax movcl OF6h call Write Reg set watchdog timer moval Olh movcl 30h call Write Reg watchdog enabled call Lock Chip ret Enable And Set Watchdog Endp IN None Disable Watchdog Proc Near call Unlock Chip movcl 07h moval 08h call Write Reg switch to LD8 xor al al movcl OF6h call Write Reg clear watchdog timer xor al al movcl 30h call Write Reg watchdog disabled call Lock Chip ret Disable Watchdog Endp 26 MB820 User s Manual INSTALLATIONS Name Unlock Chip IN None OUT None Unlock Chip Proc Near movdx 2Eh moval 87h out dx al out dx al ret Unlock Chip Endp IN None Unlock Chip Proc Near movdx 2Eh moval OAAh out dx al ret Unlock Chip Endp Name Write Reg IN CL register index AL Value to write OUT None Write Reg Proc Near push ax movdx 2Eh moval cl out dx al pop ax inc dx out dx al ret Write Re
31. ip Address Select sss 12 JP8 Onboard VGA Enable Disable esee 12 8 MB820 User s Manual INSTALLATIONS Jumper Locations on MB820 Jumper Locations on MB820 sse Page JP1 RS232 422 485 COM2 Selection eene 10 JP2 COMI RS232 5V 12V Power Setting sess 10 JP3 COM2 RS232 5V 12V Power Setting eese 10 JPA Clear CMOS Contents isisisi siei sie ii ri E e E 11 JP5 COM3 RS232 5V 12V Power Setting sees 11 JP6 COM4 RS232 5V 12V Power Setting eese 11 JP7 DiskOnChip Address Select eene 12 JP8 Onboard VGA Enable Disable eene 12 MB820 User s Manual 9 INSTALLATIONS JP1 RS232 422 485 COM2 Selection COM1 is fixed for RS 232 use only J3 COM2 is selectable for RS232 RS 422 and RS 485 The following table describes the jumper settings for COM2 selection COM2 Function RS 422 Short 3 4 Jumper 7 9 Setting 8 10 pin closed 13 15 14 16 JP2 COM1 RS232 5V 12V Power Setting Pin 1 2 Short Closed 12V Pin 3 4 Short Closed Normal Pin 5 6 Short Closed 5V JP3 COM2 RS232 5V 12V Power Setting mun 1 2 Pin 3 4 Short Closed Normal Pin 5 6 S
32. irst screen shows three main items for user to select Once an item selected a submenu appears Details follow Phoenix AwardBIOS CMOS Setup Utility Integrated Peripherals On Chip Primary IDE Device Press Enter ITEM HELP Onboard Device Press Enter Menu Level SuperlO Device Press Enter Phoenix AwardBIOS CMOS Setup Utility OnChip IDE Device DE Block Mode Enabled ITEM HELP DE DMA transfer access Enabled Menu Level On Chip Primary PCI IDE Enabled DE Primary Master PIO Auto If your IDE hard drive supports DE Primary Slave PIO Auto block mode select Enabled for DE Primary Master UDMA Auto automatic detection of the optimal number of block DE Primary Slave UDMA Auto read writes per sector the drive On Chip Secondary PCI IDE can support DE Secondary Master PIO Auto DE Secondary Slave PIO Auto DE Secondary Master UDMA Auto DE Secondary Slave UDMA Auto On Chip Serial ATA Setting SATA Mode IDE On Chip Serial ATA Auto Serial ATA Porto Mode SATAO master Serial ATA Port1 Mode SATA1 master Phoenix AwardBIOS CMOS Setup Utility Onboard Device USB Controller Enabled ITEM HELP USB 2 0 Controller Disabled Menu Level USB Keyboard Support Disabled USB Mouse Support Disabled AC97 Audio Auto LAN Controller Enabled O PO pe M xx 40 MB820 User s Manual BIOS SETUP Phoenix AwardBIOS CMOS Setup Utility SuperlO Device Onboard FDC Controller Enabled ITEM HELP Onboard Serial Port 1 3F8
33. me basic hardware configurations in your computer system and set the system clock and error handling If the motherboard is already installed in a working system you will not need to select this option You will need to run the Standard CMOS option however if you change your system hardware configurations the onboard battery fails or the configuration stored in the CMOS memory was lost or damaged Phoenix AwardBIOS CMOS Setup Utility Standard CMOS Features Date mm dd yy Thu May 21 2001 Item Help Time hh mm ss 00 00 00 Menu Level DE Channel 0 Master None Change the day month DE Channel 0 Slave None Year and century DE Channel 1 Master None DE Channel 1 Slave None DE Channel 2 Master None DE Channel 3 Master None Drive A 1 44M 3 5 in Drive B None Video EGA VGA Halt On All Errors Base Memory 640K Extended Memory 129024K Total Memory 130048K At the bottom of the menu are the control keys for use on this menu If you need any help in each item field you can press the lt F1 gt key It will display the relevant information to help you The memory display at the lower right hand side of the menu is read only It will adjust automatically according to the memory changed The following describes each item of this menu Date The date format is Day Sun to Sat Month 1to 12 Date 1to 31 Year 1994 to 2079 To set the date highlight the Date field and use the PageUp PageDown or keys to
34. ntallation Utility 52 Realtek AC97 Codec Audio Driver Installation 55 Intel PRO LAN Drivers Installation ees 56 VGA Drivers Installation eee 57 IMPORTANT NOTE After installing your Windows operating system Windows 98SE ME 2000 XP you must install first the Intel Chipset Software Installation Utility before proceeding with the drivers installation cM aa MB820 User s Manual 51 DRIVERS INSTALLATION Intel 875P Chipset Software Intallation Utility The Intel 875P Chipset Drivers should be installed first before the software drivers to enable Plug amp Play INF support for Intel chipset components Follow the instructions below to complete the installation under Windows 98SE ME 2000 XP 1 Insert the CD that comes with the motherboard and the screen below would appear Click Intel Chipsets and then Intel R 875P Chipset Drivers 2 Click Intel R Chipset Software Intallation Utility SSS SS Saas 52 MB820 User s Manual DRIVERS INSTALLATION 3 When the Welcome screen appears click Next to continue Webco bo Ghee roi ali beet oe ra bebe Te Baia iensdolabum Ltda var rn ka Cg bebe Coad feer inca Lii Thon lt unl evade Fag Pg LUE suppose ics balh Dlg eed pes 4 Click Yes to accept the software license agreement and proceed with the installation process V eroe gae ient laura Hel faa lolleoeng ines
35. rd message prompts on the screen Type the password up to eight characters in length and press lt Enter gt The system confirms your password by asking you to type it again After setting a password the screen automatically returns to the main screen To disable a password just press the lt Enter gt key when you are prompted to enter the password A message will confirm the password to be disabled Once the password is disabled the system will boot and you can enter Setup freely Save amp Exit Setup This option allows you to determine whether or not to accept the modifications If you type Y you will quit the setup utility and save all changes into the CMOS memory If you type N you will return to Setup utility Exit Without Saving Select this option to exit the Setup utility without saving the changes you have made in this session Typing Y will quit the Setup utility without saving the modifications Typing N will return you to Setup utility OEO set ee Sr M x 50 MB820 User s Manual DRIVERS INSTALLATION Drivers Installation This section describes the installation procedures for software and drivers under the Windows 98SE Windows ME Windows 2000 and Windows XP The software and drivers are included with the motherboard If you find the items missing please contact the vendor where you made the purchase The contents of this section include the following Intel 875P Chipset Software I
36. set the current time pace LLL M P es 32 MB820 User s Manual BIOS SETUP D Time The time formatis Hour 00 to 23 Minute 00 to 59 Second 00 to 59 To set the time highlight the Time field and use the lt PgUp gt lt PgDn gt or keys to set the current time IDE Primary HDDs IDE Secondary HDDs The onboard PCI IDE connectors provide Primary and Secondary channels for connecting up to four IDE hard disks or other IDE devices Each channel can support up to two hard disks the first is the Master and the second is the Slave Press lt Enter gt to configure the hard disk The selections include Auto Manual and None Select Manual to define the drive information manually You will be asked to enter the following items CYLS Number of cylinders HEAD Number of read write heads PRECOMP Write precompensation LANDZ Landing zone SECTOR Number of sectors The Access Mode selections are as follows Auto Normal HD lt 528MB Large for MS DOS only LBA HD gt 528MB and supports Logical Block Addressing Remarks The main board supports two serial ATA ports and are represented in this setting as IDE Channel 2 3 Master Drive A Drive B These fields identify the types of floppy disk drive A or drive B that has been installed in the computer The available specifications are 360KB 1 2MB 720KB 1 44MB 2 88MB 5 25in 525in 3 5in 3 5in 3 5 in cM
37. systems on the system use INT thus all installed PCI cards must be set to this value Phoenix AwardBIOS CMOS Setup Utility PnP PCI Configurations PNP OS Install No ITEM HELP Reset Configuration Data Disabled Menu Level Resources Controlled By Auto ESCD Default is Disabled Select Enabled to reset Pi E RQ Resources ress Enter Extended System DMA Resources Press Enter Configuration Data ESCD when you exit PCI VGA Palette Snoop Disabled coon you ne a A installed a new add on NT Pin 1 Assignment Auto and the system NT Pin 2 Assignment Auto reconfiguration has NT Pin 3 Assignment Auto caused such a serious NT Pin 4 Assignment Auto conflict that the OS NT Pin 5 Assignment Auto cannot boot NT Pin 6 Assignment Auto NT Pin 7 Assignment Auto NT Pin 8 Assignment Auto PNP OS Install Enable the PNP OS Install option if it is supported by the operating system installed The default value is No Reset Configuration Data This field allows you to determine whether to reset the configuration data or not The default value is Disabled Resources Controlled by This PnP BIOS can configure all of the boot and compatible devices automatically with the use of a use a PnP operating system such as Windows 95 PCI VGA Palette Snoop Some non standard VGA display cards may not show colors properly 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 VG
38. t choices Et 4 5 5Hmmn ee tg eg Ek ss 30 MB820 User s Manual BIOS SETUP Phoenix AwardBIOS CMOS Setup Utility Standard CMOS Features Frequency Voltage Control Advanced BIOS Features Load Fail Safe Defaults Advanced Chipset Features Load Optimized Defaults Integrated Peripherals Set Supervisor Password Power Management Setup Set User Password PnP PCI Configurations Save amp Exit Setup PC Health Status Exit Without Saving ESC Quit V gt Select Item F10 Save amp Exit Setup Time Date Hard Disk Type The section below the setup items of the Main Menu displays the control keys for this menu At the bottom of the Main Menu just below the control keys section there is another section which displays information on the currently highlighted item in the list Note If the system cannot boot after making and saving system changes with Setup the Award BIOS supports an override to the CMOS settings that resets your system to its default Warning It is strongly recommended that you avoid making any changes to the chipset defaults These defaults have been carefully chosen by both Award and your system manufacturer to provide the absolute maximum performance and reliability Changing the defaults could cause the system to become unstable and crash in some cases MB820 User s Manual 31 BIOS SETUP nM Standard CMOS Setup Standard CMOS Setup choice allows you to record so
39. t one time in order for the system to function properly DIMM3 DIMM4 DDR Channel B Connectors DIMM3 and DIMM4 are the second DDR channel connectors that must be use together at one time in order for the system to function properly AGP1 AGP Slot PCI PCI2 PCI3 PCIA PCI Slots SL1 SL2 ISA Slots MB820 User s Manual 15 INSTALLATIONS CN1 PS 2 Keyboard and PS 2 Mouse Connectors PS 2 Mouse PS 2 Keyboard Keyboard Mouse Signal Name Signal Name Keyboard data 3 GND L4 SV L NC 6 f 6 NC CN2 4 port USB Connector CN2 is a USB connector consisting of four ports stacked vertically Pin Signal Name Ground USB USB Vcc CN2 CNS J3 Serial Ports CN3 COMI is a DB 9 connector while J3 is a COM2 pin header connector COM2 is optionally available as a DB 9 connector CN5 ccn aal a qa oo ej 2 COM1 Signal Name Pin Pin Signal Name DCD Data carrier detect 6 DSR Data set ready RXD Receive data RTS Request to send TXD Transmit data 8 CTS Clear to send DTR Data terminal ready GND ground 9 RL Ring indicator 16 MB820 User s Manual INSTALLATIONS H CN4 Parallel Port Connector CN4 is a DB 25 external connector situated on top of the VGA and serial ports The following table describes the pin out assignments of this connector CN4 Parallel Port Signal Name Pin
40. two ISA slots and one AGP8X interface Other advanced features include six USB 2 0 ports IrDA interface PCI to ISA bridge digital I O four serial ports watchdog timer and audio function Dimensions of the board are 12 by 9 5 in an ATX form factor 2 MB820 User s Manual INTRODUCTION Specifications Product Name MB820 CPU Support Intel Pentium 4 CPU Voltage 0 8375V 1 6V VRD 10 System Speed 2 26G 3 2GHz CPU Operating 533MHz 800MHz Frequenc Green APM APM1 2 CPU Socket Socket 478 Chipset Intel 875P Chipset MCH 82875P 1005 pin F gt BGA ICH5 82801ER 460 pin MBGA FWH BIOS Award BIOS Supports A PI Cache 256K Celeron 512K P ntium 4 Level 2 cache SMI 712 2D Graphics Co troller PCI interface supports CRT display Embedded 2MB display r emor AGP port AGP 8X interface LAN ICH5 integrated LAN gon oller 10 100Mb Phy 82562EZ or one Intel 1 Gigabit LAN controller 82547EI GI CSA port Audio ICH5 built in Sound contr Iler AC97 Codec ALC650 5 1 channel Memory type Four 4 x DDR sockets upports 2 5V DDR400 333 SDRAM DIMM module s ipport dual channel Max capacity 4GB supports CC function LPC I O Winbond W83627HF IrD x1 LPTx1 COM1 RS 232 COM2 RS 23 RS422 RS485 FDC 2 88MB Hardware monit ring 3 thermal inputs 8 voltage monitor inputs V 20 4 1 chassis open detection 3 fan headers RTC CMOS Built in ICH5 Batter Lithium batter Keyboard Controller Built in Winbond 836
41. uter system s ROM supports Intel Pentium 4 processors The BIOS provides critical low level support for a standard device such as disk drives serial ports and parallel ports It also adds virus and password protection as well as special support for detailed fine tuning of the chipset controlling the entire system BIOS Setup The Award BIOS provides a Setup utility program for specifying the system configurations and settings The BIOS ROM of the system stores the Setup utility When you turn on the computer the Award BIOS is immediately activated Pressing the lt Del gt key immediately allows you to enter the Setup utility If you are a little bit late pressing the lt Del gt key POST Power On Self Test will continue with its test routines thus preventing you from invoking the Setup If you still wish to enter Setup restart the system by pressing the Reset button or simultaneously pressing the lt Ctrl gt lt Alt gt and lt Delete gt keys You can also restart by turning the system Off and back On again The following message will appear on the screen Press lt DEL gt to Enter Setup In general you press the arrow keys to highlight items lt Enter gt to select the lt PgUp gt and lt PgDn gt keys to change entries lt F1 gt for help and lt Esc gt to quit When you enter the Setup utility the Main Menu screen will appear on the screen The Main Menu allows you to select from various setup functions and exi
42. will generate only one instance When enabled you can set the two typematic controls listed next By default this field is set to Disabled Typematic Rate Chars Sec When the typematic rate is enabled the system registers repeated keystrokes speeds Settings are from 6 to 30 characters per second Typematic Delay Msec When the typematic rate is enabled this item allows you to set the time interval for displaying the first and second characters By default this item is set to 250msec ne uu S pu s 36 MB820 User s Manual BIOS SETUP Security Option This field allows you to limit access to the System and Setup The default value is Setup When you select System the system prompts for the User Password every time you boot up When you select Setup the system always boots up and prompts for the Supervisor Password only when the Setup utility is called up APIC Mode APIC stands for Advanced Programmable Interrupt Controller The default setting is Enabled MPS Version Control for OS This option is specifies the MPS Multiprocessor Specification version for your operating system MPS version 1 4 added extended configuration tables to improve support for multiple PCI bus configurations and improve future expandability The default setting is 1 4 OS Select for DRAM gt 64MB This option allows the system to access greater than 64MB of DRAM memory when used with OS 2 that depends on
43. ystem 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 CPU THRM Throttling When the system enters Doze mode the CPU clock runs only part of the time You may select the percent of time that the clock runs Wake Up by PCI Cards Enable this field to allow wake up function through a PCI card Hnc OU c H R MT MB820 User s Manual 45 BIOS SETUP nn Power On by Ring This field enables or disables the power on of the system through the modem connected to the serial port or LAN Wake Up On LAN Enable this field to allow wake up function through the onboard LAN Resume by Alarm This field enables or disables the resumption of the system operation When enabled the user is allowed to set the Date and Time Reload Global Timer Events The HDD FDD COM LPT Ports and PCI PIRQ are I O events that can prevent the system from entering a power saving mode or can awaken the system from such a mode When an I O device wants to gain the attention of the operating system it signals this by causing an IRQ to occur When the operating system is ready to respond to the request it interrupts itself and performs the service OUO UUM 46 MB820 User s Manual BIOS SETUP i PNP PCI Configurations This option configures the PCI bus system All PCI bus
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