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Nexcom PEAK 6320A User Manual

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PEAK 6320A
Single Board Computer
User's Guide
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Summary of Contents for Nexcom PEAK 6320A

  • Page 1 PEAK 6320A Single Board Computer User′s Guide All brand names are registered trademarks of their owners.
  • Page 2 @Copyright 2000 All Rights Reserved Manual edition 1, January 2000 The information in this document is subject to change without prior notice in order to improve reliability, design and function and does not represent commitment on the part of the manufacturer. In no event will the manufacturer be liable for direct, indirect, special, incidental, or consequential damages arising out of the use or the possibility of such damages.

  • Page 3: Table Of Contents

    Table of Contents How to Use This Guide Chapter 1. Introduction 1.1 Specifications..............…..…1-3 1.2 W h a t y o u h a v e f r o m t h e p a c k a g e ………………………………… 1-6 Chapter 2.
  • Page 4 Appendix 1 Watch Dog Timer Appendix 2 Memory Mapping...
  • Page 5 How to use this guide This manual is written to help you use Peak 6320A. It describes how to arrange various settings on the Pentium CPU board to meet your requirements. It is briefed as follows: Chapter 1, “Introduction” gives an overview of the product‘s specifications. It also tells you what are included in the product package.
  • Page 6 Peak 6320A User's Guide          !  " #$%  &'( )$* )  +,-.+, - """.' !  / $$$ ( #0 + +,! +1* $)1  1 $ "231$   "  "23*!! 4 52 5  6( 2$   ( $7 " 8 995     " :   $&88; <"&85;  ...
  • Page 7 Peak 6320A User's Guide        (   " /:<  /  19;5      03%1 /   %#!=%3%&1 / %(1:1  1 /        3 3>1 1 /  /? 19;5 @ "  <             (   (  <( 1  78 /<(1<'   <  ×3     !"  # $%& ( 19×* 4 ( #(<8 1 1  8 (  <&  " /'(7  <, '(  "/= 1/    <(  "/= 1/1 :<  ,   : 1(  38(: (!7   3**+"...
  • Page 8 Peak 6320A User's Guide  $!(%  ,!: (!  !(    ( !: (! #& 3 3×3* 3*×5 8(#<1  & )5) 3*8(#- 1  & )5) ×  = ( 6/ (. .)6/ (?-*%  !-1 1 ×)2  1 1 ×   3.<4 1     (-  (-+( ):/$ / 03%)4443%;)4443%;  19 /1  8:  34 1   8 (        /(  = (( 7 6/ ()6/ (. .)6/ (?-)? )        77 = % !A*1 1 ×     !      "  "/ 15 / 5. 3 1    ...
  • Page 9 Peak 6320A User's Guide 78 /8 × 78 /3 / :  (6)*: ( 9 ): 9' 19 78 /3 / :   $% < 1(   1 19 1 / 8  '8 19  & '   78 / ( =/( 19: 7  :@('((3E**)1    68 /6;53('(  1    ==  <# F;%;0)F0)F30)−30)0 /01 ×3& -  (/#  & -     = (( B6/ (. .)6/ (?-*% (    $"(< ( ( "1 /( 3 )  %   )3)*G*(1 /(@  = ( '   ;*#2&×33#6& * $+  F03"# $%& F30B*"# $%& @30B"# $%& ,-  7 <  (°  °   <  (@3°  °  ! =/'H .H#? @1 /(<&   "   4  =     (("                                                   >...
  • Page 10 Peak 6320A User's Guide &- &.& 4">;3"@@@(  19;5   "7        / 4">;302@@@(  19;5     /        0 " 2"? 4">;30@@@(  19;5     /        0 " 4">;3@@@(  19;5     /                                                   9...
  • Page 11 Peak 6320A User's Guide     //  (  )4">;3"( ( 19 <1/(:  <(%                  9;3"  9;302  9;30  9;3   9;3"( (  1 / 41 8  1 8   ,    1 8  9'8 / 1 8 D1 8: 9'8 /, × ×  ( 4>@  4>@ ×...

  • Page 12: Chapter 2. Switches And Connectors

    Peak 6320A User's Guide Chapter 2 Switches and Connectors This chapter gives the definitions and shows where to locate the positions of switches and connectors. 2-1 Switches Switches on the CPU board are used to select options for different functions used.
  • Page 13 Peak 6320A User's Guide Switch Setting Table (*: default setup) CPU Frequency S1.1 S1.2 S1.3 S1.4 S1.5 S1.6 S1.7 *100 CPU Pipelined S1.8 *Enabled Disabled M-System Disk On Chip S2.1 S2.2 S2.3 Disabled C0000 C8000 D0000 *D8000 BIOS Fresh S2.4...

  • Page 14: Data

    Peak 6320A User's Guide COM1 RS232 /RS485/RS422 S4.1 S4.2 S4.3 S4.4 S4.5 S4.6 *RS232 RS485 RS422 COM1 RS232 /RS485/RS422 S4.7 S4.8 S3.1 S3.2 S3.3 *RS232 RS485 RS422 Panel Type SW1.4 SW1.3 SW1.2 SW1.1 1024x768 Dual Scan STN Color Panel 1280x1024 TFT Color Panel...

  • Page 15: Data

    Peak 6320A User's Guide SMI Director SW3.1 SW3.2 *PIIX4_SMI APIC_SMI Flash ROM Size SW3.3 SW3.4 CPU Select SW4.1 SW4.2 SW4.3 SW4.4 PII Celeron *PIII Process Switches and Connectors...

  • Page 16: Connectors

    Peak 6320A User's Guide 2-2 Connectors Jumper/Connector define Connector Function Remark J1,J8 CPU Fan Header J2,J3,J4,J5 DIMM Socket Speaker Connector Reset Connector HDD Connector (Primary) HDD Connector (Secondary) Panel Connector COM2 FDD Connector Parallel Connector USB Connector LAN Connector CRT Connector...

  • Page 17: Data

    Peak 6320A User's Guide Pin definitions of connectors • J1, J8: CPU Fan Header Connector PIN No. Description +12V Sense • J7: Speaker Connector PIN No. Description Speaker Signal Ground Ground • J9: Reset Connector PIN No. Description Reset Ground...
  • Page 18 Peak 6320A User's Guide • J10, J11: HDD Connector PIN No. Description PIN No. Description Reset# Ground Data 7 Data 8 Data 6 Data 9 Data 5 Data 10 Data 4 Data 11 Data 3 Data 12 Data 2 Data 13...

  • Page 19: Data

    Peak 6320A User's Guide • J12: Flat Panel Connector PIN No. Description PIN No. Description ENABLK +12VSAFE SHFCLK Ground ENAVEE Ground M/PCLK Ground Ground • J13, J20: Serial Port Connector PIN No. Description Data Carrier Detect (DCD) Receive Data (RXD)
  • Page 20 Peak 6320A User's Guide • J14: FDD Connector PIN No. Description PIN No. Description Ground Density Select bit 0 Ground Density Select bit 1 Ground Index# Ground Motor Enabled A# Ground Drive Select B# Ground Drive Select A# Ground Motor Enable B#...

  • Page 21: Switches

    Peak 6320A User's Guide • J16: USB connector PIN No. Description USBD0- USBD0+ USBD1- USBD1+ Ground • J17: LAN Connector PIN No. Description TXO+ TXO- RXI+ TERMPLANE TERMPLANE RXI - TERMPLANE TERMPLANE • J18: CRT Connector PIN No. Description GREEN...

  • Page 22: Data

    Peak 6320A User's Guide • J19: Mouse Connector PIN No. Description Mouse Data Ground Mouse Clock • J21: Key Board/Mouse Connector PIN No. Description KB/DATA MS/DATA Ground KB/CLK MS/CLK • JP1/JP6/JP9: Temperature Connector PIN No. Description Temperature sensor Ground • JP2: keylock Connector PIN No.
  • Page 23 Peak 6320A User's Guide • JP5: IR Connector PIN No. Description IRRXH IRRX Ground IRTX • JP7: LAN Speed LED PIN No. Description 100# • JP8: LAN Active LED PIN No. Description ACTIVE# • JP10: IDE Active LED PIN No.
  • Page 24 Peak 6320A User's Guide • JP11: PCI Connector PIN No. Description PIN No. Description Ground AD10 AD11 AD12 AD13 AD14 AD15 Ground AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 Ground AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 Ground...
  • Page 25 Peak 6320A User's Guide • JP12: Keyboard Connector PIN No. Description Keyboard Clock Keyboard Data Ground • JP14: Panel Voltage PIN No. Description For VDD 5V Panel For VDD 3.3V Panel 2-14 Switches and Connectors...

  • Page 26: Chapter 3. Capability Expanding

    You can also use the DIMM with parity check. The ECC (Error Checking and Correction) could be turned on if parity DIMMS are used. The ECC will correct one bit error and report two bit errors. Please be noted that the PEAK 6320A only supports the SDRAM.
  • Page 27 Peak 6320A User's Guide Capability Expanding...

  • Page 28: Installing Dimm

    Peak 6320A User's Guide Installing DIMM To install the DIMM’s, first make sure the two handles of the DIMM socket are in the “open” position, i.e. the handles stay outward. Slowly slide the DIMM modules along the plastic guides in the both ends of the socket. Then press the DIMM module down right into the socket, until a click is heard.

  • Page 29: Cache Memory

    DRAM ECC, please check with your vendor for various Pentium II models. Figure 3-2 Memory Banks The level 2 cache of the Peak 6320A is built in the Celeron/Coppermine current Celerons have 128 KB on die L2 Cache which is very fast because it’s running at the CPU speed.

  • Page 30: Change Cpu

    Peak 6320A User's Guide 3-3 Change CPU To change the CPU, pull the handling bar of the socket upward to the other end to loosen the socket's openings. Carefully lift the existing CPU up to remove it from the socket.
  • Page 31 Peak 6320A User's Guide Place the new CPU on the middle of the socket, orienting its beveled corner to line up with the socket's beveled corner. Make sure the pins of the CPU fit evenly to the socket openings. Replace the handling bar to fasten the CPU to the socket.

  • Page 32: Chapter 4. Award Bios Setup

    PEAK 6320A User’s Guide Chapter 4 AWARD BIOS Setup Award's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This type of information is stored in battery-backed RAM (CMOS RAM) so that it retains the Setup information when the power is turned off.

  • Page 33: Control Keys

    PEAK 6320A User’s Guide Control Keys Up arrow Move to previous item Down arrow Move to next item Left arrow Move to the item in the left hand Right arrow Move to the item in the right hand Esc key...

  • Page 34: Step

    PEAK 6320A User’s Guide Getting Help Main Menu The on-line description of the highlighted setup function is displayed at the bottom of the screen. Status Page Setup Menu/Option Page Setup Menu Press F1 to pop up a small help window that describes the appropriate keys to use and the possible selections for the highlighted item.

  • Page 35: The Main Menu

    PEAK 6320A User’s Guide The Main Menu Once you enter Award BIOS CMOS Setup Utility, the Main Menu (Figure 1) will appear on the screen. The Main Menu allows you to select from ten setup functions and two exit choices. Use arrow keys to select among the items and press <Enter> to accept or enter the sub-menu.

  • Page 36: Ground

    PEAK 6320A User’s Guide Chipset features setup This setup page includes all the items of chipset special features. See Page 4-16 to Page 4-20 for details. Power Management setup This category determines how much power consumption for system after selecting below items.
  • Page 37 PEAK 6320A User’s Guide IDE HDD auto detection Automatically configure hard disk parameters. See Page 4-32 to Page 4-35. Save & Exit Setup Save CMOS value changes to CMOS and exit setup. Exit without saving Abandon all CMOS value changes and exit setup.

  • Page 38: Standard Cmos Setup

    PEAK 6320A User’s Guide Standard CMOS Setup Menu 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.
  • Page 39 PEAK 6320A User’s Guide Time The time format is <hour> <minute> <second>. which accepts both function key or numerical key The time is calculated based on the 24-hour military-time clock. For example, 1 p.m. is 13:00:00. Primary Master/Primary Slave The categories identify the types of drives that have been installed in the computer.

  • Page 40: Ground

    PEAK 6320A User’s Guide Drive A type/Drive B type The category identifies the types of floppy disk drive A or drive B that have been installed in the computer. None No floppy drive installed 360K, 5.25 in 5-1/4 inch PC-type standard drive; 360 kilobyte capacity 1.2M, 5.25 in...
  • Page 41 PEAK 6320A User’s Guide Error Halt The category determines whether the computer will stop if an error is detected during power up. No errors Whenever the BIOS detects a non-fatal error the system will be stopped and you will be prompted.
  • Page 42 PEAK 6320A User’s Guide System total memory is the sum of basic memory, extended memory, and other memory. BIOS Setup...

  • Page 43: Bios Features Setup

    PEAK 6320A User’s Guide BIOS Features Setup Menu ROM PCI/ISA BIOS (PEAK-6320A) BIOS FEATURES SETUP AWARD SOFTWARE, INC. Virus Warning : Disabled Video BIOS Shadow : Enabled CPU Internal Cache : Enabled C8000-CBFFF Shadow : Disabled External Cache : Enabled...

  • Page 44: Track.

    PEAK 6320A User’s Guide Disabled No warning message to appear when anything attempts to access the boot sector or hard disk partition table. ote: This function is available only for DOS and other OSes that do not trap INT13. CPU Internal Cache/External Cache These two categories speed up memory access.
  • Page 45 PEAK 6320A User’s Guide Disabled BIOS w ill not search for the type of floppy disk drive by track number. Note that there will not be any warning message if the drive installed is 360K. Boot Up NumLock Status The default value is On.

  • Page 46: Setup

    PEAK 6320A User’s Guide 1000 1000 msec Security Option This category allows you to limit access to the system and Setup, or just to Setup. System The system will not boot and access to Setup will be denied if the correct password is not entered at the prompt.
  • Page 47 PEAK 6320A User’s Guide Disabled Video shadow is disabled BIOS Setup...
  • Page 48 PEAK 6320A User’s Guide C8000 - CFFFF Shadow/D8000 - DFFFF Shadow These categories determine whether optional ROM will be copied to RAM by 16K byte or 32K byte per/unit and the size depends on chipset. Enabled Optional shadow is enabled...

  • Page 49: Chipset Features Setup Menu

    PEAK 6320A User’s Guide Chipset Features Setup Menu Since the features in this section are related to the chipset in the CPU board and all are optimized, you are not recommended to change the default settings in the setup table, unless you know very detailed of the chipset features.
  • Page 50 PEAK 6320A User’s Guide NOTE: This chapter describes all fields offered by Award Software in this screen. Your system board designer may omit or modify some fields. Auto Configuration Auto Configuration selects predetermined optimal values of chipset parameters. When Disabled, chipset parameters revert to setup information stored in CMOS. Many fields in this screen are not available when Auto Configuration is Enabled.
  • Page 51 PEAK 6320A User’s Guide SDRAM CAS latency Time You can select CAS latency time in HCLKs of 2/2 or 3/3. The system board designer should set the values in this field, depending on the DRAM installed. Do not change the values in this field unless you change specifications of the installed DRAM or the installed CPU.The choice: 2, 3.
  • Page 52 PEAK 6320A User’s Guide delayed to allow for the completion of the I/O. This item allows you to determine the recovery time allowed for 8 bit I/O. Choices are from NA, 1 to 8 CPU clocks. 16 Bit I/O Recovery Time This item allows you to determine the recovery time allowed for 16 bit I/O.
  • Page 53 PEAK 6320A User’s Guide Spread Spectrum Modulated The Clock Generator generates a clock that is frequency modulated in order to increase the bandwidth that is occupies. By increasing the bandwidth of the fundamental and its harmonics, the amplitudes of the radiated electromagnetic emissions are reduced.

  • Page 54: Power Management

    PEAK 6320A User’s Guide Power Management Setup The Power management setup will appear on your screen like this: ROM PCI/ISA BIOS (PEAK-6320A) POWER MANAGEMENT SETUP AWARD SOFTWARE, INC. ACPI function : Disabled ** Reload Global Timer Events ** Power Management...
  • Page 55 PEAK 6320A User’s Guide Item Options Descriptions A.Power Management 1. Disable Global Power Management will be disabled 2. User Define Users can configure their own power management 3. Min Saving Pre-defined timer values are used such that all timers are in their MAX value 4.
  • Page 56 PEAK 6320A User’s Guide 1. Break The External Suspend Switch is “Break” . Switch Function 2. Wake The External Suspend Switch is “Wake” 2. 1 Min Defines the continuous idle time before the 2 Min system entering DOZE mode. 4 Min 6 Min if any item defined in (J) is enabled &...
  • Page 57 PEAK 6320A User’s Guide H. Doze 1. Disable System will never enter STANDBY mode (*) Remark 1 2. 1 Min Defines the continuous idle time before the 2 Min system entering STANDBY mode. 4 Min 6 Min if any item defined in (J) is enabled & active,...
  • Page 58 PEAK 6320A User’s Guide 2 Hour 4 Hour BIOS Setup...
  • Page 59 PEAK 6320A User’s Guide K. VGA Activity 1. Disabled IRQ3 (COM 2) 2. Enabled IRQ4 (COM 1) IRQ5 (LPT 2) IRQ6 (Floppy Disk) IRQ7 (LPT 1) IRQ8 (RTC Alarm) IRQ9 (IRQ2 Redir) IRQ10 (Reserved) IRQ11 (Reserved) IRQ12 (PS/2 Mouse) IRQ13 (Coprocessor)
  • Page 60 PEAK 6320A User’s Guide PnP/PCI Configuration This section describes configuring the PCI bus system. PCI, or Peripheral Component Interconnect, is a system which allows 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.
  • Page 61 PEAK 6320A User’s Guide PNP OS Installed This item allows you to determine install PnP OS or not. Choices are Yes and No. Resource Controlled by The Award Plug and Play BIOS has the capacity to automatically configure all of the boot and Plug and Play compatible devices.

  • Page 62: I N T E G R A T E D P E R I P H E R A L

    PEAK 6320A User’s Guide Integrated Peripherals ROM PCI / ISA BIOS (PEAK-6320A) INTEGRATED PERIPHERALS AWARD SOFTWARE, INC. IDE HDD Block Mode : Enabled MART 2 Duplex Mode : Half IDE Primary Master PIO : Auto RXD, TXD Active : Hi, Lo...
  • Page 63 PEAK 6320A User’s Guide 4 provide successively increased performance. In Auto mode, the system automatically determines the best mode for each device. IDE Primary/Secondary Master/Slave UDMA Ultra DMA/33 implementation is possible only if your IDE hard drive supports it and the operating environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE bus master driver).
  • Page 64 PEAK 6320A User’s Guide Duplex Select This item allows you to select the IR function when your select the UART 2 Mode is IrDA1.0, ASK-IR, IrDA1.1 Choices are Half, Full. TxD, RxD Active This item allows you to determine the active of RxD, TxD.

  • Page 65: Supervisor/User Password Setting

    PEAK 6320A User’s Guide Supervisor/User Password Setting You can set either supervisor or user password, or both of then. The differences between are: supervisor password : can enter and change the options of the setup menus. user password : just can enter but do not have the right to change the options of the setup menus.

  • Page 66: Ide Hdd Auto Detection

    PEAK 6320A User’s Guide IDE HDD Auto Detection The Enhance IDE features was included in all Award BIOS. Below is a brief description of this feature. 1. Setup Changes <I> Auto-detection BIOS setup will display all possible modes that supported by the HDD including NORMAL, LBA &...
  • Page 67 PEAK 6320A User’s Guide Secondary None Master: Secondary Slave None When HDD type is in ‘user’ type, the “MODE” option will be opened for user to select their own HDD mode. (2) HDD Modes The Award BIOS supports 3 HDD modes : NORMAL, LBA & LARGE...
  • Page 68 PEAK 6320A User’s Guide The maximum HDD size supported by LBA mode is 8.4 Gigabytes which is obtained by the following formula: no. Cyclinder ( 1024) x no. Head ( 255) x no. Sector x bytes per sector ( 512) 8.4 Gigabytes...
  • Page 69 PEAK 6320A User’s Guide (3) Remarks To support LBA or LARGE mode of HDDs, there must be some softwares involved. All these softwares are located in the Award HDD Service Routine(INT 13h). It may be failed to access a HDD with LBA (LARGE) mode selected if you are running under a Operating System which replaces the whole INT 13h.

  • Page 70: Power On Boot

    PEAK 6320A User’s Guide Power-On Boot After you have made all the changes to CMOS values and the system cannot boot with the CMOS values selected in Setup, restart the system by turning it OFF then ON or Pressing the "RESET" button on the system case. You may also restart by simultaneously press <Ctrl>, <Alt>, and <Delete>...

  • Page 71: Bios Reference-Post Message

    PEAK 6320A User’s Guide BIOS Reference - POST Message 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.
  • Page 72 PEAK 6320A User’s Guide DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER No boot device was found. This could mean that either a boot drive was not detected or the drive does not contain proper system boot files. Insert a system disk into Drive A: and press <Enter>.
  • Page 73 PEAK 6320A User’s Guide 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.
  • Page 74 PEAK 6320A User’s Guide Memory parity Error at ... Indicates a memory parity error at a specific location. You can use this location along with the memory map for your system to find and replace the bad memory chips. MEMORY SIZE HAS CHANGED SINCE LAST BOOT Memory has been added or removed since the last boot.
  • Page 75 PEAK 6320A User’s Guide RAM PARITY ERROR - CHECKING FOR SEGMENT ... Indicates a parity error in Random Access Memory. Should Be Empty But EISA Board Found PLEASE RUN EISA CONFIGURATION UTILITY A valid board ID was found in a slot that was configurated as having no board ID.

  • Page 76: I O S R E F E R E N C E -Post Code

    PEAK 6320A User’s Guide BIOS Reference - POST Codes Note: EISA POST codes are typically output to port address 300h. ISA POST codes are output to port address 80h. POST Description (hex) 1. Turn off OEM specific cache, shadow... 2. Initialize all the standard devices with default values standard devices...
  • Page 77 PEAK 6320A User’s Guide a This POST code is for boot block POST Description (hex) 1. Turn off OEM specific cache, shadow... 2. Initialize all the standard devices with default values standard devices includes: -DMA controller (8237) -Programmable Interrupt Controller (8259)
  • Page 78 PEAK 6320A User’s Guide a This page is for Non-Compressed Version only 01-02 Reserved Turn off OEM specific cache, shadow... 1. Initialize EISA registers (EISA BIOS only) 2. Initialize all the standard devices with default values Standard devices includes: -DMA controller (8237)
  • Page 79 PEAK 6320A User’s Guide a The following POST Codes are for all of Compress Version & Non-Compress Version POST Description (hex) 1. Verify the RTC time is valid or not 2. Detect bad battery 3. Read CMOS data into BIOS stack area 4.
  • Page 80 PEAK 6320A User’s Guide 1. Test Base Memory from 256K to 640K 2. Test Extended Memory from 1M to the top of memory BIOS Setup...
  • Page 81 PEAK 6320A User’s Guide 1. Display the Award Plug & Play BIOS Extension message (PnP BIOS only) 2. Program all onboard super I/O chips (if any) including COM ports, LPT ports, FDD port... according to setup value 33-3B Reserved Set flag to allow users to enter CMOS Setup Utility 1.
  • Page 82 PEAK 6320A User’s Guide POST(hex) Description Try to turn on Level 2 cache Note: Some chipset may need to turn on the L2 cache in this stage. But usually, the cache is turn on later in POST 61h Try to turn on Level 2 cache Note: Some chipset may need to turn on the L2 cache in this stage.

  • Page 83: I O S D E F A U L T D R I V E T A B L E

    PEAK 6320A User’s Guide BIOS Default Drive Table This is a current list of the drive type table contained in Setup. Type Size Cylinders Heads Sectors Write Land Example (MB) Precomp Zone Model TEAC SD510, MMI 112, 5412 Seagate ST225,...
  • Page 84 PEAK 6320A User’s Guide Seagate ST4038 BIOS Setup...
  • Page 85 PEAK 6320A User’s Guide 1024 None Seagate ST4051 1224 None 1023 Seagate ST4096 1224 None 1223 Maxtor 2085 1224 None 1223 Maxtor 2140, Priam S14 1024 None 1223 Maxtor 2190, Priam S19 1024 None 1023 Maxtor 1085, Micropolis 1325 None...

  • Page 86: Watch Dog Timer

    PEAK 6320A Series User’s Guide Appendix 1 Watch Dog Timer Watch Dog Timer Working Procedure The Watch Dog Timer (WDT) is the special hardware device. The WDT function is to monitor the computer system whether work normally, otherwise, it will have some measures to fix up the system.

  • Page 87: Watch Dog Timer Control Register

    PEAK 6320A Series User’s Guide Watch Dog Timer Control Register The Watch Dog Timer Control Register is to control the WDT working mode. You can write the value to WDT Configuration Port. The following is the Control Register bit definition.

  • Page 88: Watch Dog Timer Programming Procedure

    PEAK 6320A Series User’s Guide Watch Dog Timer Programming Procedure • Power on or reset the system The initial value of WDT Control Register (D4~D0) is zero, when power is on or reset the system. The following means the initial value of WDT ( 00000000b ) :...
  • Page 89 PEAK 6320A Series User’s Guide • Clear the WDT Repeatedly read WDT Configuration Port and the interval cannot be longer than the preset time, otherwise, the WDT will generate NMI or Reset signal for the system. The following is an example of clear the WDT program in Intel 8086 assembly language.
  • Page 90 PEAK 6320A Series User’s Guide i.e. D3=0, Disable the WDT al, 11110111b ; Disable the WDT i.e. D3=1, Enable the WDT al, 00001000b ; Enable the WDT After finishing the above setting, you must be output for the Control Register’s value to the WDT Configuration Port.

  • Page 91: Memory Mapping

    PEAK 6320A User’s Guide Appendix 2 Memory Mapping Memory Mapping A2-1...

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