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Contec SPC-8450-LVA User Manual

Sbc series. middle size pci with lan, vga, audio
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SBC Series
Single Board Computer Middle Size PCI
with LAN, VGA, Audio
SPC-8450-LVA
User's Manual
CONTEC CO.,LTD.

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Summary of Contents for Contec SPC-8450-LVA

  • Page 1 SBC Series Single Board Computer Middle Size PCI with LAN, VGA, Audio SPC-8450-LVA User’s Manual CONTEC CO.,LTD.

  • Page 2: Check Your Package

    Check, with the following list, that your package is complete. If you discover damaged or missing items, contact your retailer. Product Configuration List - Industrial PCI CPU board (SPC-8450-LVA) …1 - Product Guide …1 - IPC Precaution List ...1 - Driver disk utility *1 (CD-ROM) ...1 - IDE 80Ribbon Cable...1...

  • Page 3: Copyright

    No part of this document may be copied or reproduced in any form by any means without prior written consent of CONTEC CO., LTD. CONTEC CO., LTD. makes no commitment to update or keep current the information contained in this document. The information in this document is subject to change without notice.

  • Page 4: Table Of Contents

    Main Memory Installation: CN21 ......................11 Serial Port Connector: CN1 , CN2 ......................12 RS-422 / RS-485 specifications ..................... 13 USB Connector: CN3, CN9 ........................14 DVI Connector: CN4..........................15 10/100BASE-TX LAN Connector: CN6 ....................16 Keyboard / Mouse Connector: CN7...................... 16 SPC-8450-LVA...
  • Page 5 BIOS Setup Introduction ............................37 Starting Setup..........................37 Using Setup .............................37 Main Menu .............................39 Standard CMOS Setup ...........................40 Advanced BIOS Features Setup......................43 Advanced Chipset Features Setup ......................47 Integrated Peripherals ..........................51 Power Management Setup ........................57 PnP/PCI Configuration Setup ........................62 PC Health Status ............................65 SPC-8450-LVA...
  • Page 6 Frequency/Voltage Control ........................66 Defaults Menu ..........................67 Supervisor/User Password Setting ......................68 Exit Selecting............................69 POST Messages ............................. 69 POST Beep ............................69 Error Messages ............................70 POST Codes............................74 SPC-8450-LVA...
  • Page 7 SPC-8450-LVA...

  • Page 8: Introduction

    DDR SDRAM of up to 1GB can be mounted. Equipped with a CF card slot (Type I/II), enabling boot-up from a CF card. Equipped with DVI-I I/F, enabling connection with the CONTEC PanelLink type LCD display. Provides the AC97 compliant sound function.

  • Page 9: Customer Support

    You can download updated driver software and differential files as well as sample programs available in several languages. Note! For product information Contact your retailer if you have any technical question about a CONTEC product or need its price, delivery time, or estimate information. Limited One Year Warranty CONTEC Industrial CPU board is warranted by CONTEC CO., Ltd.

  • Page 10: Safety Precautions

    Handling Precautions CAUTION Do not modify the product. CONTEC will bear no responsibility for any problems, etc., resulting from modifying this product. Do not strike or bend the board. Otherwise, the board may malfunction, overheat, cause a failure or breakage.

  • Page 11: Environment

    (3) Store the package at room temperature at a place free from direct sunlight, moisture, shock, vibration, magnetism, and static electricity. Disposal When disposing of the product, follow the disposal procedures stipulated under the relevant laws and municipal ordinances. SPC-8450-LVA...

  • Page 12: System Reference

    2. System Reference 2. System Reference Specifications Table 2.1. Functional Specifications <1/2> Type SPC-8450-LVA Intel(R) Pentium(R) 4 Processor 1.7G - 2.8GHz(FSB400/533MHz) Intel(R) Celeron(R) Processor 1.7G - 2.6GHz(FSB400MHz) CPU(Option) (Only corresponding to the Northwood core) Intel(R) Celeron(R) D Processor 2.26G - 2.8GHz(FSB533MHz)

  • Page 13: Power Requirements

    Your system requires a clean, steady power source for reliable performance of the high frequency CPU on the SPC-8450-LVA , the quality of the power supply is even more important. For the best performance makes sure your power supply provides a range of 4.75 volts minimum to 5.25 volts maximum DC power source.

  • Page 14: Connector & Jumper Location

    Keyboard / Mouse Connector CN12 External Battery Connector CF Master/Slave Selector CN13 Primary IDE Connector RS-422/485 Terminator CN14 Floppy Disk Drive Connector ATX/AT Power supply select CN16 Parallel Port Connector JP10 Clear CMOS Content CN17 Front Panel Connector CF Slot SPC-8450-LVA...

  • Page 15: Block Diagram

    CF Card Slot (Secondary) PCI CNTRL PCI ADDR/DATA (Primary) UDMA66/100 ICH4 USB 2.0 PORT 1-3 LAN 10/100M Connector LAN DATA AC'97 FirmWare Hub CODEC LPC BUS AC'97 LINK Super I/O Parallel Floppy Keyboard Serial1/ Serial2 Mouse Figure 2.2. Block Diagram SPC-8450-LVA...

  • Page 16: Hardware Installations

    3. Hardware Installations 3. Hardware Installations This chapter provides information on how to use the jumpers and connectors on the SPC-8450-LVA in order to set up a workable system. Installation procedure (1) Confirm the power supply is off. (2) Install the processor with correct orientation.

  • Page 17: Cpu Installation

    3. Hardware Installations CPU Installation: The SPC-8450-LVA supports a single Intel 478pin FC-PGA2 type, Pentium 4, Celeron or Celeron D processor. The processor’s VID pins automatically program the voltage regulator on the CPU card to the required processor voltage. The host bus speed is automatically selected. The processor connects to the CPU card through the 478-pins socket.

  • Page 18: Main Memory Installation: Cn21

    128Mbit x 64 CAUTION All memory components and DIMM used with the SPC-8450-LVA CPU card must comply with the PC SDRAM Specification. These include: the PC SDRAM Specification *memory component specific), the PC Unbuffered DIMM Specification, and the PC Serial Presence Detect Specification.

  • Page 19: Serial Port Connector: Cn1 , Cn2

    Serial Port Connector: CN1 , CN2 Serial1(CN1) and Serial2(CN2) are 10-pin box-headers. Both are onboard serial ports of the CPU card SPC-8450-LVA. The following table shows the pin assignments of these connectors. RS-232C/422/485 assigned for Serial2(CN2) connector only. Table 3.2.

  • Page 20: Rs-422 / Rs-485 Specifications

    Terminating Resister 6.2 k Ω 47 k Ω JP1: 5-6 120 Ω JP7: 5-6 120 Ω JP7: 7-8 47 k Ω 120 Ω JP7: 1-2 CTS# 6.2 k Ω 6.2 k Ω 47 k Ω 120 Ω JP7: 3-4 RTS# SPC-8450-LVA...

  • Page 21: Usb Connector: Cn3, Cn9

    Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use shielded cable that meets the requirements for full-speed devices. SPC-8450-LVA...

  • Page 22: Dvi Connector: Cn4

    Signal Pin No. Pin No. Pin No. name name name DATA2- N.C. DATA2+ GREEN DATA2 BLUE SHIELD N.C. HSYNC N.C. DATA0- DDC CLK DATA0+ DATA0 DATA SHIELD VSYNC FPS_OUT(TxD) DATA1- FPS_IN(RxD) DATA1+ DATA0 SHIELD DATA1 CLK+ SHIELD N.C. CLK- SPC-8450-LVA...

  • Page 23: 10/100Base-Tx Lan Connector: Cn6

    1 2 3 1 2 3 Plug PS/2 Mouse 1 2 3 1 2 3 1 2 3 1 2 3 Plug Keyboard & Mouse 1 2 3 1 2 3 1 2 3 1 2 3 (Y-cable to connection) SPC-8450-LVA...

  • Page 24: External Keyboard Connector: Cn8

    It is a 2 Pin connector used for external battery. An external battery power for used of Real-time clock and CMOS memory. Table 3.13. External Battery Connector Pin No. Function CN12 Housing: IL-2S-S3L-(N) (JAE) External battery Contact: IL-C2-1-10000 (JAE) (3V) SPC-8450-LVA...

  • Page 25: Primary Ide Connector: Cn13

    3. Hardware Installations Primary IDE Connector: CN13 The SPC-8450-LVA provides a bus-mastering PCI IDE interface. This interface support PIO Mode 3, PIO Mode 4, ATAPI devices (e.g., CD-ROM), and Ultra DMA/33/66/100 synchronous-DMA mode transfers. The BIOS supports logical block addressing (LBA) and extended cylinder head sector (ECHS) translation modes.

  • Page 26: Floppy Disk Drive Connector: Cn14

    This connector supports the provided floppy drive ribbon cable. After connecting the single and to the board, connect the two plugs on the other end to the floppy drives. Table 3.15. Floppy Disk Drive Connector CN14 Pin No. Function Pin No. Function N.C. N.C. INDEX MOT ON STEP TRCK 0 SIDE 1 DSK CHG SPC-8450-LVA...

  • Page 27: Parallel Port Connector: Cn16

    Compatible (Standard mode) Bi-Directional (PS/2 compatible) Bi-Directional EPP. A driver from the peripheral manufacturer is required for operation. Bi-Directional High-speed ECP Table 3.16. Parallel Port Connector CN16 Pin No. Function Pin No. Function STROBE ERROR INIT SLCT IN BUSY SLCT N.C. SPC-8450-LVA...

  • Page 28: Front Panel Connector: Cn17

    N.C. External Speaker N.C. BUZZER ( E x . 8 Ω 0 . 2 5 W ) Speaker 9, 11, 13, 15 Power Button 1, 3 Reset Button 5, 7 HDD LED 2, 4 Power LED 8, 10, 12 SPC-8450-LVA...

  • Page 29: Atx Power Control Connector: Cn18

    PME (Power Management Event) function. When you do not use this function, please keep open. PSWIN : Connect power push switch. The same function as CN2-1pin (PowerBT). PS_ON : Output for ATX power supply On/Off control. 5VSB : Input 5V standby power from ATX power supply. SPC-8450-LVA...

  • Page 30: Dc Power Supply Connector: Cn19

    FAN1, FAN2 is a 3-pins box-header for the cooling fan power connector. The fan must be a 12V fan. Pin 3 is for Fan speed sensor input. Table 3.21. FAN Connector Pin No. Function FAN1/FAN2 POWER Housing : 5102-03 (molex) 1 2 3 Contact : 5103 (molex) SPC-8450-LVA...
  • Page 31 3. Hardware Installations SPC-8450-LVA...

  • Page 32: Jumper Setting

    When the RS-422/RS-485 port is used, the RTS signal is used for driver enable control Connecting JP2 Pins 4 and 6 set to OFF disable the receiver at the same time, preventing the port from receiving output data to an external device. SPC-8450-LVA...

  • Page 33: Rs-422 Setting

    JP8: 5-6 120 Ω JP7: 3-4 120 Ω JP7: 1-2 Figure 4.1. RS-422 Setting RS-485 Setting RTS# SERIAL2 JP8: 7-8 DATA- TXD# 120 Ω JP7: 7-8 DATA+ JP8: 4-6 RXD# JP8: 5-6 120 Ω JP7: 5-6 Figure 4.2. RS-485 Setting SPC-8450-LVA...
  • Page 34 Receiver buffer Register 02F8h Divisor latch Register (LSB) Divisor latch Register (MSB) 02F9h Interrupt enable Register 02FAh Interrupt ID Register 02FBh Line control Register 02FCh Modem Control Register 02FDh Line status Register 02FEh Modem Status Register 02FFh Scratch Register SPC-8450-LVA...

  • Page 35: Rs-422/485 Terminator: Jp7

    4. Jumper Setting RS-422/485 Terminator: JP7 Table 4.3. RS-422/485 Terminator(JP7) Terminator Function No terminating resister (Default) CTS for RS-422 Terminating resisiter provided Terminating resisiter provided RTS for RS-422 RXD for RS-422/485 Terminating resisiter provided Terminating resisiter provided TXD for RS-422/485 SPC-8450-LVA...

  • Page 36: Cf Master/Slave Selector: Jp6

    Setup program. The RAM data contains the password information is powered by the onboard battery. User can erase the CMOS memory content by short pin2 and pin3 of JP10. Table 4.6. Clear CMOS Content (JP10) JP10 Function Normal Operation(Default) Clear CMOS Content SPC-8450-LVA...
  • Page 37 4. Jumper Setting SPC-8450-LVA...

  • Page 38: Board Resources

    00100000 to Top of Main Memory Main DRAM Address Range Top of Main Memory Extended SMRAM Address Range Top of Main Memory To 4GB PCI Memory Address Range FEC00000h - FECFFFFFh, APIC configuration space FEE00000h - FEEFFFFFh FFFE0000h - FFFFFFFFh High BIOS Area SPC-8450-LVA...
  • Page 39 5. Board Resources SPC-8450-LVA...

  • Page 40: Watch-Dog-Timer (Wdt) Setting

    When performing the re-start of WDT, it repeats [WDT Start] and [WDT Stop]. Restart? It is also possible not to perform [WDT Stop] instead of performing [WDT Stop] to [WDT Start], but to perform [WDT Start] continuously at the time of a re-start. SPC-8450-LVA...
  • Page 41 OUT DX,AL ;--------------------------------------------------- ;Activate logical device WDT(number 8) ;--------------------------------------------------- MOV DX,2EH MOV AL,30H OUT DX,AL MOV DX,2FH MOV AL,01H OUT DX,AL ;----------------------------------- ;Set timer unit : second ;----------------------------------- MOV DX,2EH MOV AL,F5H OUT DX,AL MOV DX,2FH MOV AL,00H OUT DX,AL SPC-8450-LVA...
  • Page 42 MOV DX,2EH MOV AL,F6H OUT DX,AL MOV DX,2FH ;---------------------------------------------------------------------------------- ;The data of an example is 15 seconds.(01H=1sec.- FFH=255sec.) MOV AL,0FH ; 0FH = 15Sec. ;----------------------------------------------------------------------------------- OUT DX,AL ;----------------------------------- ;Exit the extended function mode ;----------------------------------- MOV DX,2EH MOV AL,AAH OUT DX,AL SPC-8450-LVA...
  • Page 43 OUT DX,AL MOV DX,2FH ;----------------------------------- ;The data of 00H is stop WDT MOV AL,00H ;----------------------------------- OUT DX,AL ;----------------------------------- ;Exit the extended function mode ;----------------------------------- MOV DX,2EH MOV AL,AAH OUT DX,AL CAUTION The timer’s intervals have a tolerance of ±2 seconds. SPC-8450-LVA...

  • Page 44: Bios Setup

    Main Menu: Quit without saving changes Submenus: Exit Current page to the next higher level menu Move Enter Move to the item you desired PgUp key Increase the numeric value or make changes PgDn key Decrease the numeric value or make changes SPC-8450-LVA...
  • Page 45 Award and your systems manufacturer to provide the absolute maximum performance and reliability. Even a seemingly small change to the chipset setup has the potential for causing you to use the override. A Final Note About Setup The information in this chapter is subject to change without notice. SPC-8450-LVA...

  • Page 46: Main Menu

    Use this menu to specify your settings for integrated peripherals. See section 6.6. for the details. Power Management Setup Use this menu to specify your settings for power management. PnP / PCI Configuration This entry appears if your system supports PnP / PCI. SPC-8450-LVA...

  • Page 47: Standard Cmos Setup

    The items in Standard CMOS Setup Menu are divided into 10 categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn> keys to select the value you want in each item. SPC-8450-LVA...
  • Page 48 All, but Diskette All, but Disk/Key Displays the amount of conventional Base Memory memory detected during boot up Displays the amount of extended memory Extended Memory detected during boot up Displays the total memory available in the Total Memory system SPC-8450-LVA...
  • Page 49 Min = 0 Precomp **** Warning: Setting a value of 65535 means no hard disk Max = 65535 Min = 0 Landing zone **** Max = 65535 Min = 0 Sector Number of sectors per track Max = 255 SPC-8450-LVA...

  • Page 50: Advanced Bios Features Setup

    Activates automatically when the system boots up causing a Enabled warning message to appear when anything attempts to access the boot sector or hard disk partition table. No warning message will appear when anything attempts to Disabled access the boot sector or hard disk partition table. SPC-8450-LVA...
  • Page 51 This field is effective only in systems with two floppy drives. Selecting Enabled assigns physical drive B to logical drive A, and physical drive A to logical drive B. If the system has two floppy drives, you can swap the logical drive name assignments. SPC-8450-LVA...
  • Page 52 Typematic Rate (Chars/Sec) When the typematic rate setting is enabled, you can select a typematic rate (the rate at which character repeats when you hold down a key) of 6, 8, 10,12, 15, 20, 24 or 30 characters per second. SPC-8450-LVA...
  • Page 53 64 MB of RAM on your system. Report No FDD For Win 95 Select Yes to release IRQ6 when the system contains no floppy drive, for compatibility with Windows 95 logo certification. In the Integrated Peripherals screen, select Disabled for the Onboard FDC Controller field. SPC-8450-LVA...

  • Page 54: Advanced Chipset Features Setup

    The default settings have been chosen because they provide the best operating conditions for your system. The only time you might consider making any changes would be if you discovered that data was being lost while using your system. SPC-8450-LVA...
  • Page 55 DRAM RAS# Precharge The precharge time is the number of cycles it takes for the RAS to accumulate its charge before DRAM refresh. If insufficient time is allowed, refresh may be incomplete and the DRAM may fail to retain data. SPC-8450-LVA...
  • Page 56 Delay Transaction The chipset has an embedded 32-bit posted write buffer to support delay transactions cycles. Select Enabled to support compliance with PCI specification version 2.1. SPC-8450-LVA...
  • Page 57 When Enabled to choice the on-board VGA function, otherwise disabled the on-board VGA function. On chip Frame buffer size When Enabled, a fixed VGA frame buffer from A000h to BFFFh and a CPU-to-PCI write buffer are implemented. Boot Display To select display device . SPC-8450-LVA...

  • Page 58: Integrated Peripherals

    7. BIOS Setup Integrated Peripherals Figure 7.5. Integrated Peripherals Description Choice On-Chip Primary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels. Select Enabled to activate each channel separately. SPC-8450-LVA...
  • Page 59 MB/s. When you select Auto in the four IDE UDMA fields (for each of up to four IDE devices that the internal PCI IDE interface supports), the system automatically determines the optimal data transfer rate for each IDE device. SPC-8450-LVA...
  • Page 60 Select Enabled if your system contains a Universal Serial Bus (USB) controller and you have a USB mouse. AC’97 Audio Select Enabled to use the audio capabilities of your system. Most of the following fields do not appear when this field is Disabled. SPC-8450-LVA...
  • Page 61 (most new drives do), select Enabled for automatic detection of the optimal number of block read/writes per sector the drive can support. POWER ON Function When system into suspend mode , to choice wake Up method as list . SPC-8450-LVA...
  • Page 62 Onboard Serial Port 2 Select a logical COM port name and matching address for the first and second serial ports. Select an address and corresponding interrupt for the first and second serial ports. SPC-8450-LVA...
  • Page 63 Select Compatible or extended unless you are certain both your hardware and software support EPP or ECP mode. EPP Mode Select ECP Mode Use DMA Select a DMA channel for the port PWRON After PWR-Fail Select a Power On status by the BIOS setup when power fail. SPC-8450-LVA...

  • Page 64: Power Management Setup

    7. BIOS Setup Power Management Setup The Power Management Setup allows you to configure you system to most effectively save energy while operating in a manner consistent with your own style of computer use Figure 7.6. Power Management Setup SPC-8450-LVA...
  • Page 65 This option only writes blanks to the video buffer. V/H SYNC+Blank This selection will cause the system to turn off the vertical and horizontal synchronization ports and write blanks to the video buffer. DPMS Initial display power management signaling. SPC-8450-LVA...
  • Page 66 Select the Suspend Type. MODEM Use IRQ Name the interrupt request (IRQ) line assigned to the modem (if any) on your system. Activity of the selected IRQ always awakens the system. Suspend Mode Setup up the time of the suspend in DOS. SPC-8450-LVA...
  • Page 67 CPU THRM-Throttling To select throttling ratio for CPU speed down active when CPU temperature up to over specification . Wake up by PCI card When Enabled, your can awakens the system from Suspend mode from a PCI card event. SPC-8450-LVA...
  • Page 68 When Enabled, your can set the date and time at which the RTC (real-time clock) alarm awakens the system from Suspend mode. Reload Global Timer Events: When Enabled, an event occurring on each listed device restarts the global timer for Standby mode. SPC-8450-LVA...

  • Page 69: Pnp/Pci Configuration Setup

    I/O devices to operate at speeds nearing the speed the CPU itself uses when communicating with its own special components. This section covers some very technical items and it is strongly recommended that only experienced users should make any changes to the default settings. Figure 7.7. PnP/PCI Configuration Setup SPC-8450-LVA...
  • Page 70 The Award Plug and Play BIOS can automatically configure all the boot and Plug and Play – compatible devices. If you select Auto, all the interrupt request (IRQ) and DMA assignment fields disappear, as the BIOS automatically assigns them SPC-8450-LVA...
  • Page 71 (Such as IRQ4 for serial port 1) PCI/ISA PnP Devices compliant with the Plug and Play standard, whether designed for PCI or ISA bus architecture. The Choice: Legacy ISA and PCI/ISA PnP. PCI/VGA Palette Snoop Leave this field at Disabled. SPC-8450-LVA...

  • Page 72: Pc Health Status

    These fields display the current speed of up to three CPU fans, if your Current CPUFAN1/2 Speed computer contains a monitoring system. +12V / -12V / +5V / -5V / +3.3V / VBAT / These fields display the current voltage of input lines, if your computer 5VSB contains a monitoring system. SPC-8450-LVA...

  • Page 73: Frequency/Voltage Control

    When the system clock generator pulses, the extreme values of the pulse generate excess EMI. Enabling pulse spectrum spread modulation changes the extreme values from spikes to flat curves, thus reducing EMI. This benefit may in some cases be outweighed by problems with timing-critical devices. SPC-8450-LVA...

  • Page 74: Defaults Menu

    When you press <Enter> on this item you get a confirmation dialog box with a message similar to: Load Optimized Defaults (Y/N) ? N Pressing ‘Y’ loads the default values that are factory settings for optimal performance system operations. SPC-8450-LVA...

  • Page 75: Supervisor/User Password Setting

    You determine when the password is required within the BIOS Features Setup Menu and its Security option (see Section 3). If the Security option is set to “System”, the password will be required both at boot and at entry to Setup. If set to “Setup”, prompting only occurs when trying to enter Setup. SPC-8450-LVA...

  • Page 76: Exit Selecting

    BIOS cannot initialize the video screen to display any additional information. This beep code consists of a single long beep followed by two short beeps. The other code indicates that your DRAM error has occurred. This beep code consists of a single long beep repeatedly. SPC-8450-LVA...

  • Page 77: Error Messages

    EISA Configuration Utility. Error encountered initializing hard drive Hard drive cannot be initialized. Be sure the adapter is installed correctly and all cables are correctly and firmly attached. Also be sure the correct hard drive type is selected in Setup. SPC-8450-LVA...
  • Page 78 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. SPC-8450-LVA...
  • Page 79 PLEASE RUN EISA CONFIGURATION UTILITY The board ID does not match the ID stored in the EISA non-volatile memory. NOTE: When this error appears, the system will boot in ISA mode, which allows you to run the EISA Configuration Utility. SPC-8450-LVA...
  • Page 80 System will repeat POST procedure infinitely while the P15 of keyboard controller is pull low. This is also used for M/B burn in test. BIOS ROM checksum error - System halted The checksum of ROM address F0000H-FFFFFH is bad. Memory test fail BIOS reports the memory tests fail if the onboard memory is tested error. SPC-8450-LVA...

  • Page 81: Post Codes

    Expand the Xgroup codes locating in physical address 1000:0 Reserved Initial Superio_Early_Init switch. Reserved 1. Blank out screen 2. Clear CMOS error flag Reserved 1. Clear 8042 interface 2. Initialize 8042 self-test Test special keyboard controller for Winbond 977 series Super I/O chips. Enable keyboard interface. Reserved SPC-8450-LVA...
  • Page 82 Reserved Detect CPU information including brand, SMI type (Cyrix or Intel ® ) and CPU level (586 or 686). Reserved Reserved Initial interrupts vector table. special specified, interrupts directed SPURIOUS_INT_HDLR & S/W interrupts to SPURIOUS_soft_HDLR. Reserved Initial EARLY_PM_INIT switch. SPC-8450-LVA...
  • Page 83 Initialize INT 09 buffer Reserved Program CPU internal MTRR (P6 & PII) for 0~640K memory address. Initialize the APIC for Pentium class CPU. Program early chipset according to CMOS setup. Example: onboard IDE controller. Measure CPU speed. Invoke video BIOS. SPC-8450-LVA...
  • Page 84 Put information on screen display, including Award title, CPU type, CPU speed …. Reserved Reserved Reserved Reserved Reserved Reset keyboard except Winbond 977 series Super I/O chips. Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Test 8254 Reserved Test 8259 interrupt mask bits for channel 1. Reserved SPC-8450-LVA...
  • Page 85 Initialize the APIC for P6 class CPU. On MP platform, adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical. Reserved Initialize USB Reserved Test all memory (clear all extended memory to 0) SPC-8450-LVA...
  • Page 86 Show message for entering AWDFLASH.EXE from FDD (optional) Reserved Initialize Init_Onboard_Super_IO switch. Initialize Init_Onbaord_AUDIO switch. Reserved Reserved Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility. Reserved Reserved Reserved Reserved Initialize PS/2 Mouse SPC-8450-LVA...
  • Page 87 Set up floppy related fields in 40:hardware. Reserved Reserved Reserved (Optional Feature) Enter AWDFLASH.EXE if : -AWDFLASH is found in floppy drive. -ALT+F2 is pressed Reserved Detect & install all IDE devices: HDD, LS120, ZIP, CDROM….. Reserved Detect serial ports & parallel ports. SPC-8450-LVA...
  • Page 88 Reserved Call chipset power management hook. Recover the text fond used by EPA logo (not for full screen logo) If password is set, ask for password. Save all data in stack back to CMOS Initialize ISA PnP boot devices SPC-8450-LVA...
  • Page 89 Reserved Read HDD boot sector information for Trend Anti-Virus code Enable L2 cache Program boot up speed Chipset final initialization. Power management final initialization Clear screen & display summary table Program K6 write allocation Program P6 class write combining SPC-8450-LVA...
  • Page 90 (hex) Program daylight saving Update keyboard LED & typematic rate Build MP table Build & update ESCD Set CMOS century to 20h or 19h Load CMOS time into DOS timer tick Build MSIRQ routing table. Boot attempt (INT 19h) SPC-8450-LVA...
  • Page 91 3-9-31, Himesato, Nishiyodogawa-ku, Osaka 555-0025, Japan Japanese http://www.contec.co.jp/ English http://www.contec.com/ Chinese http://www.contec.com.cn/ No part of this document may be copied or reproduced in any form by any means without prior written consent of CONTEC CO., LTD. [03272006] [07042005] Management No. A-51-043 [03272006_rev2] Parts No.

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