EPIA-M840
Contents
1. Pin Signal Pin Signal l COM_DCDX 2 COM RXDX 3 COM TXDX 4 COM DTRX 5 GND 6 COM DSRX COM RTSX 8 COM CTSX 9 COM RIX 10 18 Digital I O pin headers The mainboard includes two Digital O pin headers that support eight GPO and eight GPI pins mmnm dd da LOVEN VIA Gene eoe p ren PTT E CI DIO1 DIO2 Pin Signal Pin Signal Pin Signal Pin Signal l 5V_DIO 2 12V_DIO l 5V DIO 2 12V DIO 3 GPO 23 4 CP 03 3 GPO 27 4 GPI_15 5 GPO 22 6 GPI 02 5 GPO 26 6 GPI_11 Z GPO 21 8 GPI OI Z GPO 25 8 OP 10 9 GPO 20 10 OP 00 9 GPO 24 10 GPI_04 II GND 12 NC II GND 12 NC 19 LPT pin header The mainboard includes one onboard LPT pin header 3 n i Etna a EA E emp E em 8 OOBXA ndo LOVEN VIA Pin Signal Pin Signal LP_STB 2 LP_AFD 3 LP DO 4 TP ERR EET 6 LP_INIT LP_D2 8 IP SUN 3 LP_D3 10 GND 1 LP Di 12 GND 13 LP_D5 14 GND la LP_D6 162. NC Signal Pin 10 14 18 20 22 24 26 28 30 32 34 36 38 40 2 0 PD 7 PD IOR PD RDY PD IROIS HD LEDI PD 6 PD 5 PD 4 PD 3 PD IOW PD ACK PD AI PD AO FD CSI Signal IDE RST D PD REO PD P Pin 13 S 17 19 21 23 25 27 29 31 33 35 37 39 Compact Flash slot The onboard CompactFlash socket is located on the bottom side of the mainboard It is compatible with Type 1 and Type 2 CompactFlash cards 16 PCle slot The onboard PCI Express slot supports one PCle x4 expansion card Enem os C EBE EEEE e USB pin header The onboard USB pin header enables the addition of two more USB 2 0 ports Pin Signal Pin Signal l VUSB4 2 VUSB4 3 USBD_T2 4 USBD_T3 5 USBD_T2 6 USBD_T3 F GND 8 GND 9 10 GND 17 RS232 COM pin headers The mainboard includes six COM pin headers onboard c mme Gem ce
3. Gigabit Ethernet ports Line out 3 5 mm TRS jack PS 2 mouse port VGA port USB 2 0 ports P 9 9 9 Line in 3 5 mm TRS jack 9 g 9 9 Si 9 SO CO O UL E Gu NO Microphone 3 5 mm TRS jack SPECIFICATIONS Processor Fan VIA 1 3 GHz Nano processor running at 1 6 GHz Fanless VIA 1 2GHz Nano processor running at 1 2 GHz Chipset VIA VX800 Advanced allin one system processor Super LO Fintek F818654 Memory 2x DDR2 533 667 MHz DIMM slot each slot can support a 2 GB module VGA Integrated VIA Chrome9 HC3 3D 2D graphics Storage x UDMA 133 100 40 pin connector 2 X SATA connectors with configurable pin 7 GND 5V 2 X SATA 3 5 HDD auxiliary power for DC in SKU only x CF type LAN 2 X VIA VT6130 PCle Gigabit Ethernet controller Audio VIA VT1708S High Definition audio codec VO x USB pin header supports two USB ports 2 x 2 channel 24 bit LVDS connectors 2 x Backlight control connectors x front audio pin header Line in Mic in or amplifier module PS2 keyboard mouse pin header RS232 pin header configurable 5V 12V LPT pin header LPC pin header SMBUS pin header S PDIF Out connector SIR pin header Digital WO pin header GPI x 8 GPO x 8 x front panel pin header 2 x Smart Fan connectors x Temperature sensor pin header x ATX power connector or 12V DGin option x 6x x
4. PCI VGA Palette Snoop Assign IRO for VGA o so ande dio O o VIII Maximum Bayio EE REESEN PC Health Stats Frequency Voltage Control KEE DR CAS Latency Comte 70 DR Burst Length DR IT Command Rate indc M OODOOUOQO Spread Spectrum toad Optimized Peats dit etel 72 Set Supervisor User Password 73 Savers EXE SOU E 74 Exit WINO SAVNO 75 IX Overview E lt lt lt The VIA EPIA M840 Mini ITX Mainboard is a compact native x86 mainboard optimized for entry level systems in embedded and productivity applications It provides support for high fidelity audio with its onboard VIA VT1708S High Definition Audio codec In addition it supports two SATA 3Gb s storage devices as well as IDE The EPIA M840 is based on the VIA VX800 Unified Digital Media IGP chipset featuring the VIA Chrome9 HC3 with 2D 3D graphics and video accelerators for rich digital media performance KEY COMPONENTS VIA Nano NanoBGA2 CPU The VIA Nano is a 64 bit superscalar processor in x86 platform using a 65 nanometer process technology It delivers an energy efficient powerful performance with cool and quiet operation alll within an ultra compact NanoBGAZ2 package measuring 21mm x 21mm Perfectly fit for embedded system applications such as industrial PCs test machines measuring equipment digital signage medical PCs monito
5. Line in and Mic in ONBOARD CONNECTORS LVDS panel connectors The mainboard has two LVDS panel connectors LVDS1 and LVDS2 sun e 000 EE E E 10 LVDS1 Pin Signal Pin Signal MI GND l LD2C0 2 PVDDI 3 LD2CO 4 PVDDI 5 GND 6 GND 7 XL D2CI 8 GND 9 LD2CI 10 DICO 1 GND 12 LD1CO 13 LD2C2 14 GND 15 LD2C2 16 LDICI 17 GND 18 LDICI 19 LCLK2 20 GND 2 LCLK2 22 LDIC2 23 GND 24 LD1C2 25 LD2C3 26 GND 27 LD2C3 28 LCLK1 29 C 30 LCLK1 31 GND 32 GND 29 e 34 LDIC3 35 C 36 LD1C3 37 C 38 DVPI SPCLK 39 C 40 DVPI SPD M2 GND LVDS2 Pin Signal Pin Signal MI GND l A4 L 2 PVDD2 3 A4 L 4 PVDD2 5 GND 6 GND 7 ASL 8 GND 9 ASL 10 AOL II GND 12 AOL E Ab L 14 GND 15 A6_L 16 AT id GND 18 AlL 19 CLK2_L 20 GND 21 CLK2_L 22 A2L 23 GND 24 AZ 25 ATL 26 GND 27 AJ E 28 CLKI L 29 NC 30 CLKI_L 31 NC 32 GND 33 NC 34 A al 35 NC 36 A3L 37 NC 38 DISPCLKIO 39 NC 40 DISPCLKOO M2 GND 11 Inverter connectors The mainboard has two inverters fo
6. MFX pin header The mainboard includes an MFX pin header Pin Signal Pin Signal 5V 2 5VSUS 3 PW BN 4 SMB CLK 5 NC 6 SMB DAT 7 NC 8 GND 9 GND D snakka LT GES MFXL 1 AM an y ES z ES d um ja no D i d i PRA lt m cr bulle 2r 1 o 8 Elis H 18 E d H Pas De IB E Pocos ER E ER EE CG B S B Gy CBE R ES FEEF Sei SPI pin header The onboard SPI pin header provides support for one full duplex serial slave device Pin Signal Pin Signal l SPLVCC 2 GND 3 SPI_SSO 4 SPI_CLK 5 SPLDI 6 SPLDO 7 8 RST SW 23 SPDIF connector The mainboard includes one SPDIF connector Pin Signal l 5V 2 SPDIF_O 3 GND By pg e Enc CERTO CBE rEE E TE PS 2 keyboard and mouse pin header The mainboard includes one pin header for adding support for PS 2 keyboard and mouse Pin Signal Pin Signal l 5VDUAL 2 GND 3 KB_CLK 4 KB_DAT 5 EKBCLK 6 EKBDATA T
7. MS CLK 8 MS DAT 9 EMSCLK 10 EMSDATA 24 Front audio pin header The mainboard has one pin header for connecting to front panel switches and status LEDs Pin Signal Pin Signal l HPOUTR 2 HPOUTL 3 NC 4 NC 5 MIC2IN R 6 MIC2IN_L H 8 NC 9 AGND 10 AGND Pa a Front panel pin header The mainboard has one pin header for connecting to front panel switches and status LEDs Pin Signal Pin Signal l 5VDUAL 2 5V 3 5VDUAL 4 HD LED 5 PLED 2 6 PW BN 7 5V 8 GND 9 NC 10 RST SW 11 NC 12 GND 13 SPEAK 14 5V 15 16 SLEEP_LED 25 Memory module slots The mainboard includes two DIMM memory module slots FER OSEEO OGEED I me ew EO FER E ej ER D D 26 To install the memory modules l Disengage the locking DIMM slot echanism at both ends of the Align the notch at the bottom of the DIMM with the counterpart on the DIM Then insert the DIMM
8. Reset Configuration Data Settings Description Disabled Default setting Enabled Resets the ESCD Extended System Configuration Data after exiting BIOS Setup if a newly installed PCI card or the system configuration prevents the operating system from loading 66 Resources Controlled By Enable the BIOS to automatically configure all the Plug and Play compatible devices Settings Description Auto ESCD BIOS will automatically assign IRQ DMA and memory base address fields Manual Unlocks IRQ Resources for manual configuration PCI VGA Palette Snoop Some non standard VGA display cards may not show colors properly This field allows you to set whether MPEG ISA VESA VGA Cards can work with PCI VGA or not When enabled a PCI VGA can work with a MPEG ISA VESA VGA card When disabled a PCI VGA cannot work with a MPEG ISA VESA Card Settings Disabled Enabled Assign IRO for VGA Assign IRQ for VGA devices Settings Disabled Enabled Assign IRO for USB Assign IRO for USB devices Settings Disabled Enabled Maximum Payload Size Set maximum TLP payload size for the PCI Express devices The unit is byte Settings 128 256 512 1024 2048 4096 67 IRO RESOURCES Phoenix AwardBIOS CMOS Setup Utility IRQ 3 IRQ u IRQ 5 IRQ 7 IRQ IRQ 10 IRQ 11 IR 12 IRQ 14 IRQ 15 44 4 Move IRO Resources assigned assigned assigned assigned assigned assigned ass
9. BIOS settings can be changed When a user password is used the BIOS Setup program can be accessed but the BIOS settings cannot be changed To set the password type the password up to eight characters in length and press lt Enter gt The password typed now will clear any previously set password from CMOS memory The new password will need to be reentered to be confirmed To cancel the process press lt Esc gt To disable the password press lt Enter gt when prompted to enter a new password A message will snow up to confirm disabling the password To cancel the process press lt Esc gt Additionally when a password is enabled the BIOS can be set to request the password each time the system is booted This would prevent unauthorized use of the system See Security Option in the Advanced BIOS Features section for more details 73 SAVE amp EXIT SETUP Phoenix AwardBIOS CMOS Setup Utility D Standard CMOS Features Db Frequency Voltage Control EP Advanced BIOS Features Load Optimized Defaults D Advanced Chipset Features Set Supervisor Password D Integrated Peripherals SAVE to CMOS d EXIT Y ND Y D gt Power Management Setup 2 SA Db PnP PCI Configurations Exit Without Saving b PC Health Status Esc Quit 4 select Item F10 Save amp Exit Setup Save Data to CMOS Entering Y saves any changes made and exits the program Entering N will cancel
10. D Time hh mm ss 3 17 Menu Level P IDE Channel O Master Done b IDE Channel D Slave Done Change the day month year D IDE Channel 1 Master ENone1 and century b IDE Channel 1 Slave Done Video EEGA VGA1 Halt 0n EAll But Keyboard 44 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values FY Optimized Defaults Date The date format is Day Month Date Year Time The time format is Hour Minute Second Video Settings Description EGA VGA Supports 16 colors at 640x350 and 640x480 resolutions CGA 40 Supports 16 colors at 320x200 resolution CGA 80 Supports 16 colors at 640x200 resolution MONO Supports color at 80x25 characters columns x rows Halt On Set the system s response to specific boot errors Below is a table that details the possible settings Settings Description All Errors System halts when any error is detected No Errors System does not halt for any error All But Keyboard System halts for all non key errors 41 HDD CHANNELS Phoenix AwardBIOS CMOS Setup Utility IDE Channel U Master n Item Help IDE HDD Auto Detection Press Enter Menu Level IDE Channel O Master EAutol Accass Mode FAutel To auto detect the HDD s size head on this channel fle Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults The specificatio
11. EPress Enterl Menu Level D D USB Device Setting EPress Enter Onboard LAN Boot ROM Disabled Aye Move Enter Select PU PD Value F10 Save ESC Exit Fl General Help FS Previous Values F7 Optimized Defaults Onboard LAN Boot ROM Settings Enabled Disabled 53 VIA ONCHIP IDE DEVICE Phoenix AwardBIOS CMOS Setup Utility VIA OnChip IDE Device It Hel CF Card pn FERE SATA Controller EEnabledl IDE DMA Transfer Access Enabled Menu Level OnChip IDE Channel 1 EEnabledi IDE Prefetch Mode Enabled Enable it to support UDMALL Secondary Master PIO EAutol when IDE channel just only Secondary Slave PIO EAutol Cr Card Secondary Master UDMA EAutol Secondary Slave UDMA EAutol IDE HDD Block Mode Enabled 4 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults CF Card UDMA66 Settings Disabled Enabled SATA Controller Settings Disabled Enabled IDE DMA Transfer Access Settings Disabled Enabled OnChip IDE Channel 1 Settings Disabled Enabled IDE Prefetch Mode Settings Disabled Enabled Secondary Master PIO Settings Auto Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 Secondary Slave PIO Settings Auto Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 Secondary Master UDMA Settings Disabled Auto 54 Secondary Slave UDMA Settings Disabled Auto IDE HDD Block Mode
12. GND id LP_D 18 GND 19 XP ACK 20 GND 2i LP BUSY 22 GND 23 LP PE 24 GND 25 LP SLCT 20 LPC pin header The mainboard includes one LPC pin header BE E an B P E E E EEE E NE A ee Ss Pin Signal Pin Signal l LPC_AD 1 2 LPC 33 CLK 3 PCL RST 1 4 GND 5 LPC ADO 6 LPC 48 CLK 7 LPC AD2 8 LPC FRAME 9 SERIRO 10 LPC_AD3 II LPC DROI 12 EXTSMI 13 5V 14 3 3V 15 5V 16 3 3V 17 GND 18 GND 19 GND 20 21 FIR pin header The onboard FIR pin header enables connections to IR optics Pin Signal l 5V 2 IRRX2 3 IRRX 4 GND 5 IRTX era T TIO epee eke go E fasa E p i BH H oo a d E E r H d a Sees zia ES lt m E 3 Sr a B SCH l NE DEED ememr amp SMBus pin header The mainboard includes an SMBus pin header Pin Signal l SMB_CLK 2 SMB_DAT 3 GND 22
13. LAN Boot from network drive Disabled Disable the boot device sequence Boot Other Device Enables the system to boot from alternate devices if the system fails to boot from the First Second Third Boot Device lists Settings Description Disabled No alternate boot device allowed Enabled Enable alternate boot device Boot Up NumLock Status Sets the NumLock status when the system is powered on Settings Description Off Forces keypad to behave as arrow keys On Forces keypad to behave as 10 key Typematic Rate Setting Enables Typematic Rate and Typematic Delay functions Settings Description Disabled Forces default typematic rate and delay Enabled Unlocks Typematic Rate and Typematic Delay 44 Typematic Rate Chars Sec This item sets the rate characters second at which the system retrieves a signal from a depressed key Settings 6 8 10 12 15 20 24 30 Typematic Delay Msec This item sets the delay between when the key was first pressed and when the system begins to repeat the signal from the depressed key Settings 250 500 750 1000 Security Option Selects whether the password is required every time the System boots or only when you enter Setup Settings Description Setup Password prompt appears only when end users try to run BIOS Setup System Password prompt appears every time when the computer is powered on and when end users tr
14. Settings Disabled Enabled VIA ONCHIP PCI DEVICE Phoenix AwardBIOS CMOS Setup Utility VIA OnChip PCI Device Item Help Azalia HDA Controller Menu Level P 4 Move Enter Select PU PD Value F10 Save ESC Exit Fl General Help FS Previous Values F7 Optimized Defaults Azalia HDA Controller Settings Auto Disabled 56 SUPERIO DEVICE Internal Serial Port 1 Internal Serial Port 2 Onboard Onboard Onboard Onboard Onboard Onboard Onboard Internal IrDA controller Serial Port 3 Serial Port 4 Serial Port 5 Serial Port b Serial Port 7 Serial Fort Parallel Port Parallel Port Mode 4 4 Move Enter Select F5 Previous Values Serial ports Phoenix AwardBIOS CMOS Setup Utility SuperIO Device ULF 8 IR SH E1EB IRQ1D1 E3F8 IRQuI LEF8 IRQUT E3EB IRQUI E2EB IRQuI 338 IRQ4 E348 IRQu1 378 IRQ71 ESPPI Disabled PU PD Value Item Help Menu Level F10 Save ESC Exit Fl General Help F7 Optimized Defaults The SuperlO Device configuration menu enables the BIOS to specifically define the resources used for serial ports 4 Port Address IRQ l 1F8 1E8 5 10 2 1F8 1E8 5 10 3 3F8 2F8 3E8 2E8 338 348 Disabled Auto 4 4 3F8 2F8 3E8 2E8 338 348 Disabled Auto 4 5 3F8 2F8 3E8 2E8 338 348 Disabled Auto 4 6 3F8 2F8 3E8 2E8 338 348 Disabled Auto 4 7 3F8 2F8 3E8 2E8 338 348 Disabled Au
15. in slot to the slot and push down at both ends until the locki ng clips snap into position 27 CPU fan and system fan connectors CPUFANT and SYSFANT run on 5V and maintains system cooling When connecting the cable to the connector always be aware that the red wire positive wire should be connected to the 5V pin The black wire is the ground wire and should always be connected to GND CPUFAN 1 SYSFAN 1 Pin Signal Pin Signal l FIO l FIO 2 F_PWM2 2 F PWMI 3 GND 3 GND d amp Thermal sensor pin header The onboard battery provides power to the CMOS RAM If disconnected all configurations in the CMOS RAM will be reset to factory defaults When replacing the battery use CR2032 coin batteries 28 ATX power connector The mainboard supports a conventional ATX power supply for the power system Before inserting the power supply connector always make sure that all components are installed correctly to ensure that no damage will be caused To connect the power supply make sure the power plug is inserted in the proper orientation and the pins are aligned Then push down the plug firmly into the con
16. x x x x x 2 Expansion x ane PCIe slot Back Panel I O 2 x PS 2 connectors mouse and keyboard 2 X RS232 COM port configurable 5V 12V X VGA port 2 x R 45 LAN port 4 x USB ports 3 x Audio jacks Line out Line in Micin BIOS Award BIOS 4 8Mbit SPI Flash ROM Operating System Windows CE XPe XP Linux System Monitoring Wake on LAN keyboard power on RTC timer Watch Dog timer System power management AC power failure recover Operating environment OC 60 C 0 95 relative humidity non condensing Form Factor Mini ITX 17 cm x 17 cm Certifications CE ECC Compliance ROHS System resources require physical memory address locations above 3 GB that may reduce the total available memory Specifications are subject to change without notice 2 Hardware Installation EXTERNAL I O The external O panel has the following ports PS 2 ports There are two PS 2 ports one for a keyboard one for a mouse VGA port The 15 pin VGA port is for connecting to analog displays COM ports There are two 9 pin COM port is for pointing devices or other serial devices Gigabit LAN ports The mainboard provides two Gigabit Ethernet port controlled through the VIA VT6 130 PCle Gigabit Ethernet controller USB ports Four standard USB 2 0 ports are provided Audio ports Three 3 5 mm TRS jacks enable connections to Line out
17. 0 Controller EEnabledl USB Operation lode EHigh Speedl Menu Level D USB Keyboard Function EEnabledi USB Mouse Function EEnabledl Enabled or Disabled USB Storage Function CEnabled Universal Host Controller Interface for Universal Serial Bus 4 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults USB 1 0 Controller Enable or disable Universal Host Controller Interface for Universal Serial Bus Settings Disabled Enabled USB 2 0 Controller Enable or disable Enhanced Host Controller Interface for Universal Serial Bus Settings Disabled Enabled USB Operation Mode Auto decide USB device operation mode Settings Description Full Low Speed All of USB Device operated on full low speed mode High Speed If USB device was high speed device then it operated on high speed mode USB Keyboard Function Enable or disable legacy support of USB keyboard Settings Disabled Enabled USB Mouse Function Settings Disabled Enabled 59 USB Storage Function Enable or disable legacy support of USB mass storage Settings Disabled Enabled 60 POWER MANAGEMENT SETUP Phoenix AwardBIOS CMOS Setup Utility Power Management Setup ACPI Suspend Type 51853 Fouer Management Option User HDD Power Down EDisab Suspend Mode EDisab Video Off Option ESuspel Video Off Method EBlank MODEM Use IRA DNA Soft 0ff by P
18. 2 STXP 1 2 STXP 2 3 STXN 1 3 STXN 2 4 GND 4 GND 5 SRXN 1 5 SRXN 2 6 SRXP 1 6 SRXP 2 d GND 7 GND G2 G2 G2 G2 13 SATA power connectors The DGin SKU version of the mainboard provides two 3 pin SATA power connectors Each SATA power connector provides an auxiliary 1 2V power supply to attached 3 5 inch SATA hard drives When connecting SATA power cables to the SATA power connectors make sure that the power plugs are inserted in the proper orientation and the pins are properly aligned COREL S PWRI S PWR2 Pin Signal Pin Signal j 5v l 5v 2 12M 2 12V 3 GND 3 GND Note The SATA power connectors are only available with the DC in SKU 14 The mainboard has one IDE connector that provides support for IDE connector up to two IDE devices vxgog CEB ca EI aap EED QD jee ae ee 15 EDS PD 10 PDT PD 12 PD 13 PD 14 POIS DEV SEL GND PD 8 LID PD A2 PD CS3
19. A M840 12 000 m m m 1 x SATA cable 1 x I O bracket 1 x Driver CD Standard kit 1 x SATA cable 1 x I O bracket 1 x Driver CD IV TABLE OF CONTENTS OVEIVICW ANA nunnurnar EV COMPOMCIUES enee 2 VIA Nano E ee 2 VIA VX800 System Processor LAV OUIE TOD VEW d Es A E VE II Specifications Hardware Installation External O PS 2 ports VGA port GET Re E Gigabit LAN Mee E USB ports PUTCO ee E Onboard e alle e LVDS panel connectors gius deosqzeio ee a SATO I m SATA power connectors DE COPMMGCION T ROF USB pin header RS232 COM pin headers Digital O pin headers LPT pin header Beeler Tele Ge SMBus pin header FPX EEGENEN SPI pin header SPDIF connector PS 2 keyboard and mouse pin header 24 Front audio pin header 2b Front panel pin ester ceat 25 unten elei 26 CPU fan and system fan connectors renn 28 Thermal sensor pin header Eelere DC in power connector insana CMOS battery Geleet elei LVDS jumper settings LVDS2 jumper settings SATA DOM power seet GF Ee DE DOM power select COM power seet Clear EMOS Jumper AT ATX mode jumper F EE EE Entering Oe BIOS SETUP Kent Control Keys Getting Help Main Menu Standard CMOS Features Advanced BIOS KEANE SA essi isakp ign
20. AN Boot ROM VIA OnChip CF Card UDMA66 SATA Controller IDE D Secon Secon Secon Secon A Transfer Access ip IDE Channel efetch Mode dary Master PIO da Slave v dary Master UDMA Gary Steve UDMA ee IDE HIDD BIOGK MOGQG ccooieoitoittneetatttneennctcieeeac etin VIA OnChip PCI Device Azalia SuperlO HDA Controller BISA E SANNI E VII SEMEL ee 57 Onboard Parallel tt mmer 57 Parallel Port Mode ECP Mode Use DMA Atermal I A Go aii o e AAN 58 R R USB Device Setting USB 1 0 Controller USB 2 0 Controller USB Operation Mode USB Mouse Function USB Storage Function POWER Management Sel eee ACPI Susp Power Management Option SIE iei Ee E EE EE SUIS ee lee Video Off Video Off Option del RUE Soft Off by PW RBTN Run VGABIOS if 3 Resume AC Loss A WatchDog Run Stop WatchDog Count Value Wakeup Event Detect PS2KB Wakeup Select PS2KB Wakeup Key Select PSZMS Wake eA so PSZ Keyboard POWER CIN tte better teet aaa PS2 Mouse Power ON RTC Alarm Resume Ti PnP PCI Con PNP OS In Reset Con Resources UtO Restart RESUME eae Date OT MON RASSI me hh mm ss epi ska NIELS play stalled figuration Data tree Bereet
21. Advanced Chipset Features Integrated Peripherals sess Power Mariagement Sel PnP PCI Configurations slasa Sa Sana ani Frequeney Voltage GONE nn sk inn RN 40 Load Optimized Defaults SELSUDOFIVISOF Passa szceczerccceccecececceccececcecececceccececesecceccectscececsctecovtseese 40 X SUPE ac orc tee 40 Save amp Exit Set Exit WITOUE SAVING M 40 Standard CMOS Features 41 HDD Advanced BIOS Features r VIRUS WAN N G m CPU LT amp L2 Cache CPU L2 Cache ECC Checking Quick Power On Self Test First Secondplnina BOOT DEVICE secccesscsccccsoececessscssscasceseccescsccenssesesdest 44 Boot Other Device Boot Up NumLoc Typematic Rate Setti Typematic Rate C Typematic Delay Security Option PS Version Control for OS OS Select for DRAM gt 64MB ss 45 HDD SMART Capability E Video BIOS Shadow CPU Fea Thermal Hard Dis Full Screen Logo Show Summary Screen Show IPES ssa BEIS eege le Advanced Chipset Features MEMON S LSA m iiit E System BIOS Cacheable rana Video RAM Cacheable Internal VGA Control es VGA Share Memory Size Direct Select Panel CPU amp PC Frame Buffer Display Device ype Bus Control PCI Master O WS Wrrite PCI Delay Transaction Integrated Peripherals Onboard L
22. MIK embedded user manual EPIA M840 Mini ITX Embedded Board Copyright Copyright O 2010 VIA Technologies Incorporated All rights reserved No part of this document may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of VIA Technologies Incorporated Trademarks All trademarks are the property of their respective holders PS 2 is a registered trademark of IBM Corporation Disclaimer No license is granted implied or otherwise under any patent or patent rights of VIA Technologies VIA Technologies makes no warranties implied or otherwise in regard to this document and to the products described in this document The information provided in this document is believed to be accurate and reliable as of the publication date of this document However VIA Technologies assumes no responsibility for the use or misuse of the information in this document and for any patent infringements that may arise from the use of this document The information and product specifications within this document are subject to change at any time without notice and without obligation to notify any person of such change VIA Technologies Inc reserves the right the make changes to the products described in this manual at any time without prior notice Regulatory C
23. Master slave setting 2 4 6 Slave ON ON OFF Master OFF ON ON 32 IDE DOM power select The J4 jumper enables the IDE port to support either 3 3V or 5V Setting 1 2 3 3 3V default ON ON OFF 5V OFF ON ON a ume B nM COM power select The COM jumpers enable the COM ports to support either 5V or 1 2V power modes All of the COM power select jumpers J1 J J8 and J9 have identical jumper settings as shown below COM setting 1 3 5 5V default ON ON OFF 12V OFF ON ON COM setting 2 4 6 5V default ON ON OFF 12V OFF ON ON 33 Clear CMOS jumper The onboard CMOS RAM stores system configuration data and has an onboard battery power supply To reset the CMOS settings set the jumper on pins 2 and 3 while the system is off Return the jumper to pins and 2 afterwards Setting the jumper while the system is on will damage the mainboard The default setting is on pins 1 and 2 Setting 1 Normal Operation default O Clear CMOS setting O 3 OFF O OJON Caution Except when clearing the RTC RAM never remove the cap from the CLEAR_CMOS jumper default position Removing the ca
24. N LVDS1 power 2 4 6 3 3V default ON ON OFF 5V OFF ON ON TEE IVDD1_CEN 12V PVDD1_PWR 3 3V default 1 IVDD1_CEN 5V PVDD1_PWR 5V LVDS2 jumper settings IVDD2 corresponds to INVERTER2 PVDD2 corresponds to LVDS2 IVDD2 power 1 2 3 12V default OFF ON ON 5V ON ON OFF PVDD2 power 1 2 3 3 3V default OFF ON ON 5V ON ON OFF 31 SATA DOM power select The J7 jumper enables SATA and SATA2 to support 5V on the seventh SATA pin SATA2 setting 1 3 5 5V ON O OFF GND default OFF O ON SATA1 setting 2 4 6 5V ON e ORE GND default OFF O ON JOURN VIA naa SATA1 GND SATA1 5V SATA2 GND SATA2 5V default CF power select The CF SELI jumper enables the CF slot to support either 3 3V or 5V Voltage setting 1 3 5 3 3V default ON ON OFF 5V OFF ON ON
25. PDI DDR Burst Length ESPDI DDR LT Command Rate EDisabledl DRDY Table Coptimizel ODT Enabled Spread Spectrum E 0 1 1 4 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help FS Previous Values F7 Optimized Defaults DRAM Frequency Settings DDR2 400 DDR2 533 DDR 667 SPD DDR CAS Latency Control Settings 2T 3T 4T 5T 6T SPD DDR Burst Length Settings 4 8 SPD DDR 1T Command Rate Settings Disabled Enabled DRDY Table Settings Slowest Optimize ODT Settings Disabled Enabled 70 Spread Spectrum When the mainboard s clock generator pulses the extreme values spikes of the pulses create EMI Electromagnetic Interference The Spread Spectrum function reduces the EMI generated by modulating the pulses so that the spikes of the pulses are reduced to flatter curves If the system is not placed near EMI sensitive electronics it is recommended to leave this feature disabled Settings Description 0 1 0 996 Increments of 0 1 Higher percentages have a greater effect on reducing EMI Disabled Support for this feature will be unavailable 71 LOAD OPTIMIZED DEFAULTS Phoenix AwardBIOS CMOS Setup Utility D Standard CMOS Features gt Frequency Voltage Control EP Advanced BIOS Features Load Optimized Defaults D Advanced Chipset Features Set Supervisor Password D Integrated Peripherals Load Optimized D
26. WRBTN CInstai Run VGABIOS if S3 Resume EAutol AC Loss Auto Restart Corri WatchDog WatchDog Run Stop ERun1 Count Value 10231 b Wakeup Event Detect Press h Item Help Definel led Menu Level D led nd gt Off This item allous you to Screen select how the BIOS put system into power saving mode nt 0ff1 S1 POS System in low power mode S3 STR All components are owered off except memor Enter1 P P d 51853 Depends on OS to select Sl or S3 4 Nove Enter Select PU PD Value F10 Save ESC Exit Fi General Help F5 Previous Values ACPI Suspend Type Settings Description F7 Optimized Defaults SI POS S1 Power On Suspend POS is a low power state In this state no system context CPU or chipset is lost and hardware maintains all system contexts S3 STR state power is su occurs S3 Suspend To RAM STR is a power down state In this pplied only to essential components such as main memory and wakeup capable devices The system context is saved to main memory and context is restored from the memory when a wakeup event 1 amp S3 Depends on the OS to select S1 or S3 Power Management Option When se for 5 min for 30 seconds W hen se utes and the system wi t to Max Saving the HDD will power down if inactive go into suspend mode if inactive t to Min Saving the H DD will power down if inactive for 15 minutes and th
27. Yes No AC Loss Auto Restart The field defines how the system will respond after an AC power loss during system operation Settings Description Off Keeps the system in an off state until the power button is pressed On Restarts the system when the power is back Former Sts Former Sts WatchDog Run Stop Settings Stop Run WatchDog Count Value Key in a DEC number Settings Min 0 Max 1023 63 WAKEUP EVENT DETECT Phoenix AwardBIOS CMOS Setup Utility Wakeup Event Detect Item Hel PSZKB Wakeup Select Hot Keyp PS2KB Wakeup Key Select Any Key PS2NS Wakeup Key Select Any Button Menu Level D PS2 Keyboard Power ON Disabled PS2 Mouse Power On Disabled RTC Alarm Resume Disabled 44 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults PS2KB Wakeup Select This feature has two settings Hot Key and Password To select the Password option press Page Up or Page Down To set the password enter up to eight digits and press Enter Settings Hot Key PS2KB Wakeup Key Select This feature is only available when Hot Key is chosen in PS2KB Wakeup Select Settings Ctrl F 1 Ctrl F2 Ctri F3 Ctrl F4 Ctrl F5 Ctri F6 Ctri F7 Ctrl F8 Ctrie F9 Ctrl F 10 Ctrl F 11 Ctrl F 12 Power Wake Any Key PS2MS W akeup Key Select Settings Any Button Left Button Right Button PS2 Keyboa
28. e system will go into suspend mode if inactive for 1 hour Settings User Define Min Saving Max Saving 61 HDD Power Down Set the length of time for a period of inactivity before powering down the hard disk Settings Disable 1 Min 2 Min 3 Min 4 Min 5 Min 6 Min 7 Min 8 Min 9 Min 10 Min 11 Min 12 Min 13 Min 14 Min 15 Min Suspend Mode Sets the length of time for a period of inactivity before entering suspend mode Settings Disable Min 2 Min 4 Min 6 Min 8 Min 10 Min 20 Min 30 Min 40 Min 1 Hour Video Off Option Select whether or not to turn off the screen when system enters power saving mode ACPI OS such as Windows XP will override this option Settings Description Always On Screen is always on even when system enters power saving mode Suspend gt Off Screen is turned off when system enters power saving mode Video Off Method Settings Blank Screen V H SYNC Blank DPMS Support MODEM Use IRO Settings NA 3 4 5 7 9 10 11 Soft Off by PWRBTN This field configures the power button on the chassis Settings Description Delay 4 Sec System is turned off if power button is pressed for more than four seconds Instant Off Power button functions as a normal power on off button 62 Run VGABIOS if S3 Resume Select whether to run VGA BIOS if resuming from S3 state This is only necessary for older VGA drivers Settings Auto
29. efaults Y N N D gt Power Management Setup 22 puma ehausts P PnP PCI Configurations Exit Without Saving b PC Health Status Esc Quit 46 Select Item F10 Save amp Exit Setup Load Optimized Defaults This option is for restoring all the default optimized BIOS settings The default optimized values are set by the mainboard manufacturer to provide a stable system with optimized performance Entering Y and press Enter to load the default optimized BIOS values Entering N will cancel the load optimized defaults request 72 SET SUPERVISOR USER PASSWORD Phoenix AwardBIOS CMOS Setup Utility D Standard CMOS Features Db Frequency Voltage Control EP Advanced BIOS Features Load Optimized Defaults D Advanced Chipset Features Set Supervisor Password D Integrated Peripherals Ent P d E Power Management Setup EE D gt PnP PCI Configurations Exit Without Saving b PC Health Status Esc Quit 4 Select Item F10 Save amp Exit Setup Change Set Disable Password This option is for setting a password for entering BIOS Setup When a password has been set a password prompt will be displayed whenever BIOS Setup is run This prevents an unauthorized person from changing any part of your system configuration There are two types of passwords you can set A supervisor password and a user password When a supervisor password is used the BIOS Setup program can be accessed and the
30. igned assigned assigned assigned IR Resources PCI Device EPCI EPCI EPCI EPCI CPCI EPCI EPCI EPCI EPCI F5 Previous Values Devicel Devicel Device Devicel Device Device Devicel Device Device Enter Select PU PD Value Item Help Menu Level Legacy ISA for devices compliant with the original PC AT bus specification PCI ISA PnP for devices compliant with the Plug and Play standard whether designed for PCI or ISA bus architecture ESC Exit Fl General Help F7 Optimized Defaults ist IRQ 3 4 5 7 9 10 11 12 14 15 for users to set each IRO a type depending on the type of device using the IRO Settings Description PCI Device For Plug and Play compatible devices designed for PCI bus architecture Reserved The IRO will be reserved for further requests 68 PC HEALTH STATUS Phoenix AwardBIOS CMOS Setup Utility PC Health Status Item Help Menu Level Auto CPU Fan Disabled Auto System Fan Disabled fle Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help FS Previous Values F7 Optimized Defaults The PC Health Status displays the current status of all of the monitored hardware devices components such as CPU voltages temperatures and fan speeds 69 FREQUENCY VOLTAGE CONTROL Phoenix AwardBIOS CMOS Setup Utility Frequency Voltage Control Item Help DRAM Frequency spp Menu Level DDR CAS Latency Control CS
31. n CONTROL KEYS Keys Description Up ove to the previous item Down ove to the next item Left Move to the left Right ove to the right Enter Select the item Esc Jumps to the Exit menu or returns to the main menu rom a submenu Page Up ncrease the numeric value or make changes Page Down Decrease the numeric value or make changes number pad ncrease the numeric value Number pad Decrease the numeric value El General help only for Status Page Setup Menu and Option Page Setup Menu F5 Restore the previous CMOS value only for option page setup menu F6 Load the Fail safe CMOS values only for option page setup menu F7 Load Optimized defaults FIO Save all the changes and exit 37 GETTING HELP The BIOS setup program provides a General Help screen You can display this screen from any menu sub menu by pressing Fi The help screen displays the keys for using and navigating the BIOS setup Press lt Esc gt to exit the help screen 38 MAIN MENU The Main Menu contains twelve setup functions and two exit choices Use arrow keys to select the items and press lt Enter gt to accept or enter Sub menu Phoenix AwardBIOS CMOS Setup Utility D Standard CMOS Features D gt Frequency Voltage Control D Advanced BIOS Features Load Optimized Defaults D Advanced Chipset Features Set Supervisor Password D Integrated Peripherals Set User Password gt P
32. nabled Select Display Device This feature enables choosing between different types of display outputs The default setting is CRT LCD When set in the LCD mode the CRT display must be connected before turning on the power Otherwise the CRT display will be ignored Settings Description CRT Enables the VGA port LCD Enables LVDS1 LCD2 Enables LVDS2 CRT LCD Enables VGA and LVDS1 CRT LCD2 Enables VGA and LVDS2 LCD LCD2 Enables LVDS1 and LVDS2 50 Panel Type Panel ID Resolution 640x480 800x600 1024x768 1280x768 1280x1024 1400x1050 1440x900 1280x800 800x480 1024x600 1366x768 1600x1200 1680x1050 1920x1200 640x240 nimioinlm P D OojJ S U 4 uNPMIO 480x640 51 CPU amp PCI BUS CONTROL Phoenix AwardBIOS CMOS Setup Utility CPU amp PCI Bus Control Item Hel PCI Master D US Urite Enabled PCI Delay Transaction EEnabledi Menu Level D Aye Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults PCI Master O WS Write Settings Enabled Disabled PCI Delay Transaction Settings Disabled Enabled 52 INTEGRATED PERIPHERALS Phoenix AwardBIOS CMOS Setup Utility Integrated Peripherals 8 z Item Help D VIA OnChip IDE Device Press Enter P VIA OnChip PCI Device EPress Enter b SuperIO Device
33. nector Pin Signal Pin Signal 3 3V 2 3 3V 3 3 3V 4 12V 5 GND 6 GND 7 5V 8 PS_ON 9 GND 10 GND 5V 12 GND 3 GND 14 GND 5 PW_OK 16 5V 7 5V_SB 18 5V 9 12V 20 5V exo OD E E 688888 mont OO8XA nao 29 DC in power connector The mainboard has a 12V DC connector onboard The 12V DC is needed if 3 5 inch SATA drives will be used with the mainboard Pin Signal Pin Signal l GND 3 12VDC 2 GND 4 12VDC Uff 8 CMOS battery The onboard battery provides power to the CMOS RAM If disconnected all configurations in the CMOS RAM will be reset to factory defaults When replacing the battery use CR2032 coin batteries 30 ONBOARD JUMPERS LVDS jumper settings The LVDS connectors and LVDS inverters can operate on different input voltages Pins 1 3 and 5 correspond to INVERTERI Pins 2 4 and 6 correspond to LVDSI INVERTER 1 power 1 3 5 12V default ON ON OFF 5V OFF ON O
34. ns of your drive must match with the drive table The hard disk will not work properly if you enter incorrect information in this category Select Auto whenever possible If you select Manual make sure the information is from your hard disk vendor or system manufacturer Below is a table that details required hard drive information when using the Manual mode Settings Description storage Channel The name of this match the name of the menu Settings None Auto Manual Access Mode Settings CHS LBA Large Auto Capacity Formatted size of the storage device Cylinder Number of cylinders Head Number of heads Precomp Write precompensation Landing Zone Cylinder location of the landing zone Sector Number of sectors 42 ADVANCED BIOS FEATURES Phoenix AwardBIOS CMOS Setup Utility Advanced BIOS Features b CPU Features Press Enterhl no i z Item Help D Hard Disk Boot Priority EPress Enter Virus Warning CPU LL amp L2 Cache EEnabledl Enabled Menu Level CPU L2 Cache ECC Checking CEnabledd Quick Power On Self Test EUSB HDD1 First Boot Device Done Second Boot Device Done Third Boot Device Done Boot Other Device Cond Boot Up NumLock Status Disabled Typematic Rate Setting CDisabled Security Option Setup MPS Version Control for 0S ENon 0521 OS Select for DRAM gt bUNB Disabled HDD S M A R T Capabilit Disabled 44 Move Enter Selec
35. nvironment o o Always read the safety instructions carefully Keep this User s Manual for future reference All cautions and warnings on the equipment should be noted Keep this equipment away from humidity Lay this equipment on a reliable flat surface before setting it up Make sure the voltage of the power source and adjust properly 110 220V before connecting the equipment to the power inlet Place the power cord in such a way that people cannot step on it Always unplug the power cord before inserting any add on card or module If any of the following situations arises get the equipment checked by authorized service personnel o o o o o The power cord or plug is damaged Liquid has penetrated into the equipment The equipment has been exposed to moisture The equipment has not worked well or you cannot get it work according to User s Manual The equipment has dropped and damaged The equipment has obvious sign of breakage unconditioned or in a storage temperature above 60 C 140 F The equipment may be damaged Do not leave this equipment in direct sunlight Never pour any liquid into the opening Liquid can cause damage or electrical shock Do not place anything over the power cord Do not cover the ventilation holes The openings on the enclosure protect the equipment from overheating Box Contents and Ordering Information Description Standard kit Model Number EPIA M840 16 EPI
36. ompliance FCC A Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his personal expense Notice 1 The changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Notice 2 Shielded interface cables and A C power cord if any must be used in order to comply with the emission limits Tested To Comply With FCC Standards FOR HOME OR OFFICE USE Battery Recycling and Disposal Only use the appropriate battery specified for this product Do not re use recharge or reheat an old battery Do not attempt to force open the battery Do not discard used batteries with regular trash Discard used batteries according to local regulations Safety Precautions LN D v Do s o o o o Don ts o Do not leave this equipment in an e
37. ower Management Setup Save amp Exit Setup D PnP PCI Configurations Exit Without Saving D PC Health Status Esc Quit 4 select Item F10 Save amp Exit Setup Time Date Hard Disk Type Standard CMOS Features Use this menu to set basic system configurations Advanced BIOS Features Use this menu to set the advanced features available on your system Advanced Chipset Features Use this menu to set chipset specific features and optimize system performance Integrated Peripherals Use this menu to set onboard peripherals features Power Management Setup Use this menu to set onboard power management functions PnP PCI Configurations Use this menu to set the PnP and PCI configurations 39 PC Health Status This menu shows the PC health status Frequency Voltage Control Use this menu to set the system frequency and voltage control Load Optimized Defaults Use this menu option to load BIOS default settings for optimal and high performance system operations Set Supervisor Password Use this menu option to set the BIOS supervisor password Set User Password Use this menu option to set the BIOS user password Save amp Exit Setup Save BIOS setting changes and exit setup Exit Without Saving Discard all BIOS setting changes and exit setup 40 STANDARD CMOS FEATURES Phoenix AwardBIOS CMOS Setup Utility Standard CMOS Features It Hel Date nn dd y Thus Fab 2s 2010
38. p will cause system boot failure Avoid clearing the CMOS while the system is on it will damage the mainboard e S mme E a j naa Leen VIA CLEAR CMOSI ig F oe P h IN 1 isses ds 1 1 default clear CMOS 34 AT ATX mode jumper The AT ATX jumper enables the user to specify AT or ATX power mode support To enable support for 3 3V the jumper must be setto ATX mode Setting 1 2 3 Normal Operation default ON ON OFF Clear CMOS setting OFF ON ON cd 1 TE H es eg AT mode Ha Mp H default mt iS E kees DNS Mew a Ed ODBXA nd ueN VIA CEEEEJCEEEE FER FE E cob OL gt Samia een 35 3 BIOS Setup Po A DA a aaa ENTERING THE BIOS SETUP MENU Power on the computer and press lt Delete gt during the beginning of the boot sequence to enter the BIOS setup menu If you missed the BIOS setup entry point restart the system and try agai
39. priority of the hard disk boot order when the Hard Disk option is selected in the First Second Third Boot Device menu item 48 ADVANCED CHIPSET FEATURES Phoenix AwardBIOS CMOS Setup Utility Advanced Chipset Features Item Help Internal VGA Control D CPU amp PCI Bus Control Press Enter Memory Hole Disabled Menu Level D System BIOS Cacheable Disabled Video RAM Cacheable Disabled 4 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults Caution The Advanced Chipset Features menu is used for optimizing the chipset functions Do not change these settings unless you are familiar with the chipset Memory Hole Settings Disabled 15M 16M System BIOS Cacheable Settings Disabled Enabled Video RAM Cacheable Settings Disabled Enabled 49 INTERNAL VGA CONTROL Phoenix AwardBIOS CMOS Setup Utility Internal VGA Control It Hel VGA Share Memory Size Direct Frame Buffer EEnabledl Select Display Device ELCDI Menu Level D Panel Type L07 3 Aye Move Enter Select PU PD Value F10 Save ESC Exit Fl General Help FS Previous Values F7 Optimized Defaults VGA Share Memory Size This setting allows you to select the amount of system memory that is allocated to the integrated graphics processor Settings Disabled 64M 128M 256M Direct Frame Buffer Settings Disabled E
40. r controlling the LVDS panel backlight and brightness INVERTER corresponds to the LVDS 1 panel connector INVERTER2 corresponds to the LVDS2 panel connector e HIT ge OOBXA do JOURN VIA o EB c S 8 ew B EE DT TE mer e INVERTER 1 INVERTER2 Pin Signal Pin Signal l IVDD1_CEN l IVDD2 2 MDDI CEN 2 IVDD2 E BLONI 3 BAKLITE 4 VX800PWM CTL 4 VX800PWM CTL 5 BLONI 5 BAKLITE 6 BRIGHTNESS 1 CTL 6 BRIGHTNESS CTL 7 GND 7 GND 8 GND 8 GND 12 SATA connectors There are two onboard SATA connectors that support data transfers speeds up to 3 Gbps Both 2 5 inch and 3 5 inch SATA drives can be supported The standard mainboard version can only support 2 5 inch SATA hard drives The version can only support 3 5 inch SATA hard drives DC in mainboard OOBXA ndo MEN VIA GE Gomm el FI Zei EH SATA 1 SATA2 Pin Signal Pin Signal Gl Gl Gl GI l GND GND
41. rd Power ON Settings Disabled Enabled PS2 Mouse Power ON Settings Disabled Enabled 64 RTC Alarm Resume Set a scheduled time and or date to automatically power on the system Settings Disabled Enabled Date of Month The field specifies the date for RTC Alarm Resume Key in a DEC number Settings Min 0 Max 31 Resume Time hh mm ss The field specifies tne time for RTC Alarm Resume Key in a DEC number Settings Min 0 Max 23 65 PNP PCI CONFIGURATIONS Phoenix AwardBIOS CMOS Setup Utility PnP PCI Configurations Item Hel Init Display First PNP OS Installed Nol Reset Configuration Data EDisabledl Menu Level Resources Controlled By EAuto ESCD 3 PCI VGA Palette Snoop EEnabledi Assign IRQ For VGA Enabled Assign IRQ For USB EEnabledi Maximum Payload Size 1024 44 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults Note This section covers some very technical items and it is strongly recommended to leave the default settings as is unless you are an experienced user Init Display First Settings Onboard PCIEx PNP OS Installed Settings Description No BIOS will initialize all the PnP cards Yes BIOS will only initialize the PnP cards used for booting VGA IDE SCSI The rest of the cards will be initialized by the PnP operating system
42. ring systems gaming machines in vehicle entertainment and etc The VIA Nano also boasts of immersive multimedia performance connectivity and computing applications VIA VX800 System Processor The VIA VX800 media system processor is an all in one highly integrated digital media IGP chipset featuring the latest video graphics and connectivity performance in a single chip measuring just 33x33mm LAYOUT TOP VIEW 19 ES 27 sr ss E EI Gd EP NEP 3a 37 38 39 40 36 Item Description Page l DC in power connector DC12V 1 30 2 PS 2 keyboard and mouse pin header KBMS 24 3 ATX power supply connector ATX POWERI 29 4 VIA Nano CPU U16 2 5 VIA VX800 chipset U15 2 6 CPU fan connector CPUFAN 1 28 7 Memory slots DIMM 1 DIMM2 26 8 LVDS connectors LVDS1 LVDS2 10 2 CMOS battery socket BAT 30 0 System fan connector SYSFAN 1 28 LVDS inver
43. t PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults Virus Warning Enables boot sector protection for the hard disks Settings Description Enabled Turns on hard disk boot sector virus protection Disabled Turns off hard disk boot sector virus protection Note If this function is enabled and someone attempt to write data into this area the BIOS will sound off an audible alarm and show a warning message on the screen CPU L1 amp L2 Cache Settings Description Disabled Turns off CPU L1 amp L2 cache Enabled Turns on CPU L1 amp L2 cache CPU L2 Cache ECC Checking Settings Description Disabled Turns off ECC checking Enabled Enables the system to detect and correct single bit errors 43 Quick Power On Self Test Shortens the Power On Self Test POST cycle to enable a faster boot up time Settings Description Disabled Standard Power On Self Test POST Enabled Shorten Power On Self Test POST cycle and boot up time First Second Third Boot Device Sets the boot device sequence as the BIOS attempts to load the disk operating system Settings Description LS120 Boot from LS 120 drive Hard Disk Boot from the HDD CDROM Boot from CDROM ZIP100 Boot from ATAPI ZIP drive USB FDD Boot from USB Floppy drive USB ZIP Boot from USB ZIP drive USB CDROM Boot from USB CDROM Legacy
44. ter connectors INVERTERI INVERTER 12 2 SATA connectors SATA SATA2 13 3 DE connector IDE 1 15 4 Front panel pin header F_PANEL1 25 5 SPDIF connector SPDIF 1 24 6 FX pin header MFX1 23 7 LPC pin header LPC 21 8 SPI pin header SPI 1 23 2 Digital WO pin headers DIO1 DIO A 20 Front audio pin header F AUDIO 25 21 PCI Express x4 slot PCIE 7 22 LPT pin header LPT 1 20 23 Fast IR pin header FIR 1 22 24 SATA power connectors S PWRI S PWR2 4 25 USB pin header USB_2 3 7 26 COM pin headers COM3 COMM COMS COM6 COM 8 COMB 27 COM voltage selector for COMI and COM Ul 38 28 AT ATX mode power selector J2 35 29 Clear CMOS jumper CLEAR_CMOS 1 34 30 LVDSI power selector J3 31 31 Inverter power selector for LVDS2 IVDD2 31 32 Panel power selector for LVDS2 PVDD2 31 33 SMBus pin header SMBUS 1 22 34 Thermal sensor pin header J5 28 35 SATA DOM power selector J7 32 36 CF voltage selector CF SELI 32 37 IDE DOM power selector J4 33 38 COM voltage selector for COM3 and COM4 J6 33 39 COM voltage selector for COM5 and COMO J8 33 40 COM voltage selector for COM7 and COMB J9 33 Note For the purposes of simplifying the illustration the connectors for both DC in and standard versions have been included in the diagram However actual products will only have one or the other LAYOUT I O PANEL 5 3 Description PS 2 keyboard port COM ports
45. the exit request 74 EXIT WITHOUT SAVING Phoenix AwardBIOS CMOS Setup Utility D Standard CMOS Features Db Frequency Voltage Control EP Advanced BIOS Features Load Optimized Defaults D Advanced Chipset Features Set Supervisor Password D Integrated Peripherals Quit Without Saving Y N N gt Power Management Setup P PnP PCI Configurations Exit Without Saving b PC Health Status Esc Quit 4 Select Item F10 Save amp Exit Setup Abandon all Data Entering Y discards any changes made and exits the program Entering N will cancel the exit request 75
46. to 4 8 3F8 2F8 3E8 2E8 338 348 Disabled Auto 4 Onboard Parallel Port This specifies the I O port address and IRQ of the onboard parallel port Settings Disabled 378 IRO7 278 IRO5 3BC IRO7 57 Parallel Port Mode Set the parallel port mode To operate the onboard parallel port as Standard Parallel Port choose SPP To operate the onboard parallel port in the EPP mode choose EPP By choosing ECP the onboard parallel port will operate in ECP mode Choosing ECP EPP will allow the onboard parallel port to support both the ECP and EPP modes simultaneously Settings SPP EPP ECP ECP EPP ECP Mode Use DMA ECP Extended Capabilities Port has two DMA channels that it can use The default channel is 3 However some expansion cards may use channel 3 as well To solve this conflict change the ECP channel to 1 Selecta DMA channel for the port Settings 1 3 Internal IrDA Controller Enables or disables the infrared port Settings Disabled FIR IR IRO Set this field to reserve an IRO for the Fast IR port This field is only available if Onboard Fast IR is enabled The Fast IR IRQ is locked to IRO 11 IR DMA Set this field to choose the DMA channel This field is only available if Onboard Fast IR is enabled The Fast IR DMA is locked to 6 58 USB DEVICE SETTING Phoenix AwardBIOS CMOS Setup Utility USB Device Setting Item Hel USB 1 0 Controller enabled USB 2
47. y to run BIOS Setup MPS Version Control for OS Settings 1 1 1 4 OS Select for DRAM 64MB Select OS2 only if you are running OS 2 operating system with greater than 64MB of RAM on the system Settings Non OS2 OS2 HDD S M A R T Capability Settings Disabled Enabled Video BIOS Shadow Copies the Video BIOS to the shadow RAM to improve performance Settings Disabled Enabled 45 Full Screen Logo Show Show full screen logo during BIOS boot up process Settings Disabled Summary Scr Enabled een Show Show summary screen Settings Disabled Enabled 46 CPU FEATURES Phoenix AwardBIOS CMOS Setup Utility CPU Features Item Help Thermal Management Thermal Monitor 3H Menu Level Thermal Monitor 3 Dynamic Ratio amp VID transition 4 Move Enter Select PU PD Value F10 Save ESC Exit Fl General Help FS Previous Values F7 Optimized Defaults Thermal Management This item sets CPU s thermal control rule to protect the CPU from overheating Settings Description Thermal Monitor 3 Dynamic Ratio and VID Disabled 47 HARD Disk BOOT PRIORITY Phoenix AwardBIOS CMOS Setup Utility Hard Disk Boot Priority Item Help 1 Bootable Add in Cards Menu Level P 4 4 Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults This is for setting the
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EPIA M840