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System Overview

PEB-7431VL User’s Manual

1-8

MEMORY (up to 128MB)

STPC

Atlas

(516BGA)

ISA BUS

BIOS

Super I/O

W83977F-A
(128 PQFD)

Parallel Port

Serial Port 3/4

Floppy

PCI BUS/ Slot 1

TFT

Serial Port

COM 1/2

PS/2 Keyboard

Mouse

VGA

GPIO Port

EIDE

USB (Optional)

LAN RTL-8139C

Figure 1-1 PEB-7431VL System Block Diagram

The key components on board are the STPC Atlas System on Chip and the Winbond
Super I/O

chip. These two devices provide the ISA and PCI bus to which all the

major components are attached.

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Summary of Contents for PEB-7431VL

Page 1: ...PEB 7431VL Embedded System Board User s Manual P N B8980720 Version 1 0 Copyright Portwell Inc 2003 All rights reserved All other brand names are registered trademarks of their respective owners ...

Page 2: ...netic Compatibility Directive 89 336 EEC The equipment was evaluated and passed the test the following standards were applied EMC EN 55022 1994 A1 1995 Class A EN 50082 2 1991 EN 61000 4 2 1995 EN 61000 4 3 1996 EN 61000 4 4 1995 EN 61000 3 2 1995 EN 61000 3 3 1995 The following manufacturer is responsible for this declaration Portwell Inc Company Name 3F No 88 Sec 1 Nei Hu Rd Taipei Taiwan R O C ...

Page 3: ...r Setting 2 1 2 2 Connector Allocation 2 3 Chapter 3 System Installation 3 1 3 1 Main Memory 3 1 3 2 Graphic Driver installation for STPC Atlas GRAPHICS 3 1 3 3 Ethernet 3 2 3 4 IDE interface 3 2 3 5 Watch Dog Timer Programming 3 2 Chapter 4 BIOS Setup Information 4 1 4 1 Entering Setup 4 1 4 2 Main Menu 4 2 4 3 Standard CMOS Setup Menu 4 3 4 4 IDE Adaptors Setup Menu 4 4 4 5 Advanced BIOS Feature...

Page 4: ... 3 System Installation Describes how to properly mount the CF flash disk to get a safe installation and provides a guide of Watch Dog Timer function Chapter 4 BIOS Setup Information Specifies the meaning of each setup parameters how to get advanced BIOS performance and update new BIOS In addition POST checkpoint list will give users some guidelines of trouble shooting The content of this manual an...

Page 5: ...Contact our Customer Service department with the relevant details Portwell Technical Service Group s web site is http www portwell com 1 1 Introduction The PEB 7431VL is a low power Micro ATX industrial motherboard that equips with low power STPC Atlas processor VGA and single PCI bus Ethernet interfaces This model is standard micro ATX main board with extensibility There are 3 ISA slots and 1 ISA...

Page 6: ...bracket with one Serial port cable 10 pin pitch 2 54mm I O Shield If any of these items is damaged or missed please contact your vendor and save all packing materials for future replacement and maintenance 1 3 Product Specifications Main processor Onboard STPC Atlas 133MHz BGA package BIOS AMI 256KB Flash BIOS Chipset STPC Atlas Integrated I O chipset STPC Atlas Integrated Winbond W83977F A Memory...

Page 7: ...are count software trigger DMA 7 DMA channels 8237 equivalent Interrupt 15 interrupt levels 8259 equivalent Power management I O peripheral devices support power saving and doze standby suspend modes APM 1 2 compliant Display chipset STPC Atlas Integrated Display memory Shared display memory up to 4MB Display type Supports interlaced or non interlaced CRT Support for VGA and SVGA active matrix TFT...

Page 8: ...nnectors VGA DB 15 COM 1 DB 9 Ethernet RJ 45 PS 2 keybaord Mouse and two USB Port Option Power connectors ATX 20 pin power connector 1 3 1 Mechanical and Environmental Power supply voltage 5V 12V Typical power requirement 5V 1 6A Operating temperature 32 to 131 F 0 to 55 C Board size 242mm x 242mm Micro ATX size 1 3 2 Mechanical Drawing ...

Page 9: ...oller 1 4 2 STPC Atlas Graphics The Graphics is based on the STPC Atlas system on chip and this integrated graphics controller is very cost efficient since almost no additional components are required This is achieved by using the SDRAM as frame buffer and by integrating the graphics engine and display interface in the STPC Atlas system on chip This controller provides a CRT as well as a TFT inter...

Page 10: ... attached to the PCI bus and use PCI bus mastering for data transfer The CPU is thereby not loaded during the actual data transfer 1 4 7 STPC Atlas and Winbond W83977F A The STPC Atlas integrated Super I O chip provides most input output interfaces of the system as the following COM 1 2 Operates in RS 232 mode through a charge pump driver Only 5V supply is required COM 3 4 A RS422 RS485 driver is ...

Page 11: ...ll and highly suitable for rugged environments thus providing an excellent solution for mobile applications with space limitations It is fully compatible with all consumer applications designed for data storage PC card PDA and Smart Cellular Phones allowing simple use for the end user The Compact Flash storage card is O S independent thus offering an optimal solution for embedded systems operating...

Page 12: ...ort 3 4 Floppy PCI BUS Slot 1 TFT Serial Port COM 1 2 PS 2 Keyboard Mouse VGA GPIO Port EIDE USB Optional LAN RTL 8139C Figure 1 1 PEB 7431VL System Block Diagram The key components on board are the STPC Atlas System on Chip and the Winbond Super I O chip These two devices provide the ISA and PCI bus to which all the major components are attached ...

Page 13: ...in this chapter The default settings are indicated with a star sign Ì 2 1 Jumper Setting The jumper settings are used to select options for different features The adjustment made aims to let users customize PEB 7431VL s features In the following sections short means covering a jumper cap over jumper pins open or NC Not Connected means removing a jumper cap from jumper pins Figure 2 1 PEB 7431VL Ju...

Page 14: ... S1 3 S1 4 S1 5 Time out Interval ON ON ON 0 5 Sec ON ON OFF 1 SecÌ ON OFF ON 2 Sec ON OFF OFF 4 Sec OFF ON ON 8 Sec OFF ON OFF 16 Sec OFF OFF ON 32 Sec OFF OFF OFF 64 Sec JP1 DIMM 2 type Selection JP1 Function 1 2 Short Single side DIMM optionÌ 2 3 Short Double side DIMM option JP2 CMOS Clear JP2 Function 1 2 Short Normal Ì 2 3 Short Clear CMOS JP3 Ethernet Function JP3 Function 1 2 Short Enable ...

Page 15: ...anual 2 3 JP4 COM3 4 RS 422 485 Selection Jumper JP4 Function 1 3 Short COM3 RS 422Enable Ì 3 5 Short COM3 RS 485Enable 2 4 Short COM4 RS 422Enable Ì 4 6 Short COM4 RS 485Enable 2 2 Connector Allocation Figure 2 1 PEB 7431VL Connector Location ...

Page 16: ... 8 pin connector J10 External speaker connector J11 Power LED Connector J12 System Reset J13 IDE active LED connector J14 Floppy disk interface J15 Serial Port 2x5 shrouded connector COM3 J16 Compact Flash J17 IDE2 Secondary Interface Connector J18 Serial Port 2x5 shrouded connector COM4 J19 IDE1 Primary Interface Connector J20 Serial Port 2x5 shrouded connector COM2 J21 TFT LCD Panel Connector Pi...

Page 17: ...et Ready DSR 7 Request to Send RTS 8 Clear to Send CTS 9 Ring Indicator RI J3 Parallel Port Connector D SUB 25 pin PIN No Signal Description PIN No Signal Description 1 Strobe 14 Auto Form Feed 2 Data 0 15 Error 3 Data 1 16 Initialization 4 Data 2 17 Printer Select IN 5 Data 3 18 Ground 6 Data 4 19 Ground 7 Data 5 20 Ground 8 Data 6 21 Ground 9 Data 7 22 Ground 10 Acknowledge 23 Ground 11 Busy 24 ...

Page 18: ... Two port USB Interface Connector PIN No Signal Description PIN No Signal Description 1 5V 2 USBD0 3 USBD0 4 USBGND0 5 5V 6 USBD1 7 USBD1 8 USBGND1 J5B Ethernet RJ 45 Interface Connector PIN No Signal Description 1 TX 2 TX 3 RX 4 Termination to Ground 5 Termination to Ground 6 RX 7 Termination to Ground 8 Termination to Ground J6 ATX Power Button connector PIN No Signal Description 1 Power Button ...

Page 19: ...D 17 GND 8 ATX Power Good Signal 18 5V 9 ATX 5V stand by 19 5V 10 12V 20 5V J8 GPIO Connector 2 x 5 Pin header PIN No Signal Description PIN No Signal Description 1 GPIO 0 2 GPIO4 3 GPIO1 4 GPIO5 5 GND 6 GND 7 GPIO2 8 GPIO6 9 GPIO3 10 GPIO7 J9 CPLD 8 pin Connector PIN No Signal Description 1 5V 2 TDO 3 TDI 4 N C 5 N C 6 TMS 7 Ground 8 TCK J10 External Speaker Header PIN No Signal Description 1 Spe...

Page 20: ... Active LED cathode terminal J14 FDC Interface Connector PIN No Signal Description PIN No Signal Description 1 Ground 2 Density Select 0 3 Ground 4 N C 5 Ground 6 Density Select 1 7 Ground 8 Index 9 Ground 10 Motor ENA 11 Ground 12 Drive Select B 13 Ground 14 Drive Select A 15 Ground 16 Motor ENB 17 Ground 18 Direction 19 Ground 20 Step 21 Ground 22 Write Data 23 Ground 24 Write Gate 25 Ground 26 ...

Page 21: ... 2 Interface Connector PIN No Signal Description PIN No Signal Description 1 RESET 2 Ground 3 Data 7 4 Data 8 5 Data 6 6 Data 9 7 Data 5 8 Data 10 9 Data 4 10 Data 11 11 Data 3 12 Data 12 13 Data 2 14 Data 13 15 Data 1 16 Data 14 17 Data 0 18 Data 15 19 Ground 20 N C 21 DMA REQ 22 Ground 23 IOW 24 Ground 25 IOR 26 Ground 27 IOCHRDY 28 Pull down 29 DMA ACK 30 Ground 31 INT REQ 32 N C 33 SA1 34 CBLI...

Page 22: ...Data Set Ready DSR 7 Request to Send RTS 8 Clear to Send CTS 9 Ring Indicator RI 10 N C J21 TFT LCD Connector PIN No Signal Description PIN No Signal Description 1 GND 2 GND 3 R0 4 R1 5 R2 6 R3 7 R4 8 R5 9 GND 10 GND 11 G0 12 G1 13 G2 14 G3 15 G4 16 G5 17 GND 18 GND 19 B0 20 B1 21 B2 22 B3 23 B4 24 B5 25 GND 26 GND 27 FPLINE 28 FPFRAME 29 DE 30 DCLK 31 N C 32 N C 33 TFT PWM 34 N C 35 VCC 36 12V 37...

Page 23: ... for STPC Atlas GRAPHICS The STPC Atlas integrated Graphics is very cost efficient since almost no additional components are required This is achieved by using the SDRAM as frame buffer This controller provides a CRT as well as a TFT interface which support the modes listed below Driver Support PEB 7431VL provides one CD Title to support on board VGA device drivers in various operating systems Bef...

Page 24: ... for the data transfer Access to these controllers is provided by two standard IDE 40 pin connector and a Compact Flash type II connector on the solder side of this board 3 5 Watch Dog Timer Programming There are one manners to activate the Watch Dog Timer WDT function You can utilize hardware jumper setting and programmed by software command After this feature is enabled a system reset will be ge...

Page 25: ...System Installation PEB 7431VL User s Manual 3 3 Enable WDT MOV DX 0533H IN AL DX Re trigger WDT MOV DX 0533H IN AL DX Disable WDT MOV DX 0033H IN AL DX ...

Page 26: ... the computer When the message Hit DEL if you want to run SETUP appears press Del key immediately to enter BIOS setup program If the message disappears before you respond but you still wish to enter Setup please restart the system to try COLD START again by turning it OFF and then ON or touch the RESET button You may also restart from WARM START by pressing Ctrl Alt and Delete keys simultaneously ...

Page 27: ...es Use arrow keys to switch among items and press Enter key to accept or bring up the sub menu Phoenix Award BIOS CMOS Setup Utility Standard CMOS Features Advanced BIOS Features Advanced Chipset Features Integrated Peripherals Power Management Setup PnP PCI Configurations Load Fail Safe Defaults Load Optimized Defaults Set Password Save Exit Setup Exit Without Saving Esc Quit F9 Menu in BIOS Sele...

Page 28: ...ne Drive A 1 44M 3 5 in Drive B None Video EGA VGA Halt On All But Keyboard Base Memory 640K Extended Memory 124928K Total Memory 125952K Menu Level Change the date month Year century Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Value F6 Fail Safe Defaults F7 Optimized Defaults Menu seletions Item Options Description Date Mm dd yy Set the system date Note that the Da...

Page 29: ...124928K Displays the amount of extended memory detected during boot up Total Memory 125952K Displays the total memory available in the system 4 4 IDE Adaptors Setup Menu The IDE adapters control the IDE devices such as hard disk drive or CDROM drive It uses a separate sub menu to configure each hard disk drive Screen shot Phoenix AwardBIOS CMOS Setup Utility IDE Primary Master Item Help IDE HDD Au...

Page 30: ...COMP 65535 means NONE Access Mode CHS LBA Large Auto Choose the access mode for this hard disk Capacity Auto Display your disk drive size Disk drive capacity Approximated Note that this size is usually slightly greater than the size of a formatted disk given by a disk checking program The following options are selectable only if the IDE Primary Master item is set to Manual Cylinder Min 0 Max 65535...

Page 31: ...C8000 CBFFF Shadow Disable CC000 CFFFF Shadow Disable D0000 D3FFF Shadow Disable D4000 D7FFF Shadow Disable D8000 DBFFF Shadow Disable DC000 DFFFF Shadow Disable Menu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Value F6 Fail Safe Defaults F7 Optimized Defaults Virus Warning When this item is enabled the Award BIOS will monitor the boot sector and partition tab...

Page 32: ...from Hard Disk 0 from CD ROM last The choice Floppy LS120 HDD 0 SCSI CDROM HDD 1 HDD 2 HDD 3 Disabled Boot Other Device The BIOS load the operating system from other device that you choice The choice Enabled Disabled Boot Up NumLock Status Select power on state for NumLock The choice On Off Security Option Select whether the password is required every time the system boots or only when you enter s...

Page 33: ...his section allows you to configure the system based on the specific features of the chipset This chipset manages bus speeds and access to system memory resources such as DRAM SDRAM It also coordinates communications between the conventional ISA bus and the PCI bus It must be stated that these items should never need to be altered The default settings have been chosen because they provide the best...

Page 34: ...correspondent data from the SDRAMs The choice 2 3 SCLKs SDRAM RAS Precharge Time This option controls the number of SCLKs for RAS precharge If your system installs good quality of SDRAM you can set this option to 3 SCLKs to obtain better memory performance The choice 2 3 SCLKs SDRAM RAS to CAS Delay This option controls the number of SCLKs SDRAM Clock from a row activate command to a read or write...

Page 35: ...fe Defaults F7 Optimized Defaults IDE HDD Block Mode This item allows you to enable disable IDE HDD Block Mode The function is to collect the data that is nearby the one being read and leave them in the system buffer Buffered data can be used with faster transmission rate so as to enhance system performance The choice Enabled Disabled Onboard Serial Port 1 Port 2 Display address and corresponding ...

Page 36: ...ddress for the physical parallel printer port The choice 378H 278H 3BCH Disabled Parallel Port Use IRQ Select a interrupt number for the parallel printer port The choice IRQ5 IRQ7 IRQ10 IRQ11 Parallel Port Mode Select an operating mode for the onboard parallel port Select Compatible or Extended unless you are certain both your hardware and software support EPP or ECP mode The choice SPP ECP EPP1 7...

Page 37: ...t DRQ Disabled PCI master device PCIM Disabled Parallel I O PIO Disabled Serial I O SIO Disabled Menu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Value F6 Fail Safe Defaults F7 Optimized Defaults Power Management This category allows you to select the type or degree of power saving and is directly related to HDD Power Down Suspend Mode There are three selectio...

Page 38: ...n 10 Min 11 Min 12 Min 13 Min 14 Min 15 Min Doze Mode Monitor blanked when the system enters any power saving mode The choice Disabled 50MS 100MS 500MS 4 Second 8 Second 16 Second Standby Mode When enabled and after the set time of system inactivity the fixed disk drive and the video would be shut off while all other devices still operate at full speed The choice Disabled 2 Min 4 Min 6 Min 8 Min 1...

Page 39: ...and it is strongly recommended that only experienced users should make any changes to the default settings Screen shot Phoenix AwardBIOS CMOS Setup Utility PnP PCI Configurations Item Help Reset Configuration Data Disabled Resources Controlled By Auto ESCD X IRQ Resources Press Enter X DMA Resources Press Enter PCI VGA Palette Snoop Disabled Menu Level Move Enter Select PU PD Value F10 Save ESC Ex...

Page 40: ...ay standard whether designed for PCI or ISA bus architecture The choice PCI ISA PnP Legacy ISA DMA Resources IRQ 0 IRQ 1 IRQ 3 IRQ 5 IRQ 6 IRQ 7 assign to When resources are controlled manually assign each system DMA channel as one of the following types depending on the type of device using the DMA channel Legacy ISA Devices compliant with the original PC AT bus specification requiring a specific...

Page 41: ...characters in length and press Enter You will be asked to confirm the password Type the password again and press Enter To disable a password just press Enter when you are prompted to enter the password A message will confirm the password will be disabled PASSWORD ENABLED When a password has been enabled you will be prompted to enter it every time you try to enter Setup This prevents an unauthorize...

Page 42: ...4 13 POST Messages During the Power On Self Test POST if the BIOS detects an error requiring you to do something to fix it will either sound a beep code or display a message If a message is displayed it will be accompanied by PRESS F1 TO CONTINUE CTRL ALT ESC OR DEL TO ENTER SETUP POST Beep Currently there are two kinds of beep codes in BIOS This code indicates that a video error has occurred and ...

Page 43: ...Run Setup to reconfigure the drive type correctly DISPLAY SWITCH IS SET INCORRECTLY Display switch on the motherboard can be set to either monochrome or color This indicates the switch is set to a different setting than indicated in Setup Determine which setting is correct and then either turn off the system and change the jumper or enter Setup and change the VIDEO selection DISPLAY TYPE HAS CHANG...

Page 44: ...nd or initialize the floppy drive controller Make sure the controller is installed correctly and firmly If there is no floppy drives installed be sure the Diskette Drive selection in Setup is set to NONE Invalid EISA Configuration PLEASE RUN EISA CONFIGURATION UTILITY The non volatile memory containing EISA configuration information was programmed incorrectly or has become corrupt Re run EISA conf...

Page 45: ...y Verify Error at Indicates an error verifying a value already written to memory Use the location along with your system s memory map to locate the bad chip OFFENDING ADDRESS NOT FOUND This message is used in conjunction with the I O CHANNEL CHECK and RAM PARITY ERROR messages when the segment that has caused the problem cannot be isolated OFFENDING SEGMENT This message is used in conjunction with...

Page 46: ... the ID request or no board ID has been found in the indicated slot Note When this error appears the system will boot in ISA mode which allows you to run the EISA Configuration Utility Slot Not Empty Indicates that a slot designated as empty by the EISA Configuration Utility actually contains a board Note When this error appears the system will boot in ISA mode which allows you to run the EISA Con...

Page 47: ...ller diagnostics failed Hard Disk s fail 20 HDD initialization error Hard Disk s fail 10 Unable to recalibrate fixed disk Hard Disk s fail 08 Sector Verify failed Keyboard is locked out Unlock the key Keyboard error or no keyboard present Cannot initialize the keyboard Make sure the keyboard is attached correctly and no keys are being pressed during the boot BIOS ROM checksum error System halted T...

Page 48: ...ocess and attempt to display the checkpoint code written to port 80H If the system hangs before the BIOS detects the terminal error the value at port 80H will be the last test performed In this case the terminal error cannot be displayed on the screen The following POST checkpoint codes are valid for all AWARDBIOS products with a core BIOS date of 07 15 95 version 6 27 Enhanced CODE hex DESCRIPTIO...

Page 49: ...into chipset Chipset default values are MODBINable by OEM customers 15h Reserved 16h Initial Early_Init_Onboard_Generator switch 17h Reserved 18h Detect CPU information including brand SMI type Cyrix or Intel and CPU level 586 or 686 19h Reserved 1Ah Reserved 1Bh Initial interrupts vector table If no special specified all H W interrupts are directed to SPURIOUS_INT_HDLR S W interrupts to SPURIOUS_...

Page 50: ...roller Measure CPU speed Invoke video BIOS 2Ah Reserved 2Bh Reserved 2Ch Reserved 2Dh Initialize multi language Put information on screen display including Award title CPU type CPU speed 2Eh Reserved 2Fh Reserved 30h Reserved 31h Reserved 32h Reserved 33h Reset keyboard except Winbond 977 series Super I O chips 34h Reserved 35h Reserved 36h Reserved 37h Reserved 38h Reserved 39h Reserved 3Ah Reser...

Page 51: ...mory to 0 53h Reserved 54h Reserved 55h Display number of processors multi processor platform 56h Reserved 57h Display PnP logo Early ISA PnP initialization Assign CSN to every ISA PnP device 58h Reserved 59h Initialize the combined Trend Anti Virus code 5Ah Reserved 5Bh Optional Feature Show message for entering AWDFLASH EXE from FDD optional 5Ch Reserved 5Dh Initialize Init_Onboard_Super_IO swit...

Page 52: ...served 75h Detect install all IDE devices HDD LS120 ZIP CDROM 76h Reserved 77h Detect serial ports parallel ports 78h Reserved 79h Reserved 7Ah Detect install co processor 7Bh Reserved 7Ch Reserved 7Dh Reserved 7Eh Reserved 7Fh Switch back to text mode if full screen logo is supported If errors occur report errors wait for keys If no errors occur or F1 key is pressed to continue Clear EPA or custo...

Page 53: ...ry table Program K6 write allocation Program P6 class write combining 95h Program daylight saving Update keyboard LED typematic rate 96h Build MP table Build update ESCD Set CMOS century to 20h or 19h Load CMOS time into DOS timer tick Build MSIRQ routing table FFh Boot attempt INT 19h 4 15 Flash BIOS Utility Utilize AWARD Flash BIOS programming utility to update on board BIOS for the future new B...

Page 54: ...a Size Device Description 0000 003F 1K Interrupt Area 0040 004F 0 3K BIOS Data Area 0050 006F 0 5K System Data 0070 04C6 17K DOS 04C7 0582 2 9K Program Area 0583 9FFE 617K Available 9FFF 9FFF 0 1K Unused Conventional memory ends at 640K A000 AFFF 64K VGA Graphics B000 B7FF 32K Unused B800 BFFF 32K VGA Text C000 C7FF 32K Video ROM C800 C949 5 2K Unused C94A DFFF 90K High RAM E000 EFFF 64K Page Fram...

Page 55: ...ARTDRV System Timer IRQ 1 SMARTDRV Keyboard Event IRQ 2 Unassigned Usable IRQ IRQ 3 System ROM COM 2 IRQ 4 System ROM COM 1 IRQ 5 Unassigned Usable IRQ IRQ 6 System ROM Diskette Event IRQ 7 Unassigned Usable IRQ IRQ 8 System ROM Real Time Clock IRQ 9 Unassigned Usable IRQ IRQ 10 Unassigned Usable IRQ IRQ 11 Unassigned Usable IRQ IRQ 12 System ROM IBM Mouse Event IRQ 13 System ROM Coprocessor Error...

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