1. Manuals
  2. Brands
  3. Lucky Star Manuals
  4. Motherboard
  5. 6VA693A
  6. User manual

Lucky Star 6VA693A User Manual

Atx form factor main board
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
6VA693A
ATX Form Factor
Main Board
User's Manual
Ver.3.0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 6VA693A and is the answer not in the manual?

Questions and answers

Related Manuals for Lucky Star 6VA693A

Summary of Contents for Lucky Star 6VA693A

  • Page 1 6VA693A ATX Form Factor Main Board User's Manual Ver.3.0...
  • Page 2 Copyright Copyright© 2000 by this company. No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means without prior written permission. This manual and the information contained herein are protected by copyright.
  • Page 3 Warning and disclaimer This manual is designed to provide information about the Pentium® II/III system board. Every effort has been made to make this manual as accurate as possible, but no warranty or fitness is implied. All the information is provided on an 'as is' basis. The author and his corresponding publishing company shall have neither liability nor responsibility to any person or entity with respect to any loss or damages...

  • Page 4: Table Of Contents

    Table of Contents Chapter 1 Introduction … … … … … … … … … … … … … … … … … .… … … … 1 Main Board Overview… … … … … … … … … … … … … … … … … … … ..1 Reference for Pentium®...
  • Page 5 2-3-6 Floppy Interface… … … … … … … … … … ...… … ..… … … … … … 2 6 2-3-7 IDE1 and IDE2… … … … … … … … … … … … ..… … ..… … ..… … … ...27 2-3-8 IR Connector…...
  • Page 6 VIA693/693A...

  • Page 7: Chapter 1 Introduction

    Chapter 1 Introduction Main Board Overview The main board is a new-generation Pentium® II/III main board designed based on VIA VT82C693/693A chipset. The main board has integrated the latest advances in processor, memory, I/O technologies into an ATX form factor. The main board utilizes VIA 693/693A chipset designed for Pentium®...
  • Page 8 The main board is also strengthened with Power Management Wake up Event such as “WOL (Wake up on LAN),” “Modem ring on” which are the new inventions to enable PCs to be turned on over the network. These are also key benefits in PC operation, asset management, new system setup and power conservation.

  • Page 9: Reference For Pentium® Ii/Iii Cpus

    Reference For Pentium® II/III CPUs The main board supports Intel ® Pentium® II/III microprocessors. The Pentium® II/III processors deliver more performances than previous generation processors (such as Pentium®, Pentium® MMX™ , etc… ) through an innovation called Dynamic Execution Architecture. It is improved by 3D visualization and interactive capabilities required by present high-end commercial and technical applications and future’s emerging applications as well.

  • Page 10: Notice Of Hardware Installation

    Notice of Hardware Installation Before hardware installation, make sure you have checked the following things. A. Check the package If any of these items is missing or damaged, contact the dealer from whom you purchase. Leave this main board in its original package until you are ready to install it.

  • Page 11: Notice Of Cd Driver Installation

    Notice of CD Driver Installation This CD contains drivers as below. Read “Index” before installing required drivers. “Index” file is HTML format. CD driver is always updated with the latest version, so the actual CD content may have some differences with the above picture.

  • Page 12: Chapter 2 Installation

    Main boards: i440LX, i810, VIA® VPX, VP3, VIA®691, VIA®692-3 and VIA®693A main boards A.G.P cards: S- 6326 and T-9850 Solo-1: ESS-solo-1 sound driver Pccillin: anti- virus protection software Chapter 2 Installation 2-1 Layout Reference COM2/4-COM1/3 USB1 KB & MOUSE ISA2 ISA1 BIOS ATX1...

  • Page 13: Jumper Setting

    TURBO-66 Operation Close Normal Open Over-clock TURBO-100 is a 2-pin connector which sets CPU clock speed, this connector is available on main board built in VT82C693A (“DD”) chipset version. TURBO-100 Operation Close Normal Open Over-clock 2-2 Jumper Setting 2-2-1 RTC - CMOS Status RTC is a 3-pin connector.

  • Page 14: Sw1 Pin1-Pin2 : Cpu Frequency Selector

    Step 1: Shut down the system and disconnect the power supply from AC power. Step 2: Pull out the ATX cable from ATX connector “ATX1”. Step 3: Short the CMOS jumper by putting jumper cap on Pin 2-3 for a few seconds. Step 4: Return to pin 1-2 for normal setup.

  • Page 15: Sw1 Pin3-Pin6 : Cpu Ratio Selector

    100 MHz CPU 66MHz CPU 133MHz CPU 100 MHz 66MHz 133MHz 103 MHz 50MHz 140MHz 112 MHz 75MHz 150MHz 133 MHz 83MHz 124MHz The above 133MHz, 140MHz, 150MHz, 124MHz effective when chip is VT82C693A(“DD”) version. Users can select the right frequency by BIOS (please refer to 3-4 Chipset Features Setup –...

  • Page 16: Jpx1 : Amr Function Selector

    3.5x 4.5x 5.5x 6.5x 7.5x 2-2-4 JPX1 : AMR Function Selector JPX1 is a 2-pin connector. Set “ON” for normal setup and “OFF” for Primary AMR. JPX1 : AMR Function Selector Normal For Primary AMR VIA693/693A...

  • Page 17: Jpx2 : Cpu Type Selector

    2-2-5 JPX2 : CPU Type Selector JPX2 is a 3-pin connector. Set “1-2” for normal (Slot-1 CPU) and “2-3” for Coppermine CPU. JPX2 : CPU Type Selector Set to "1-2" Set to "2-3"--- --- Normal Coppermine CPU VIA693/693A...

  • Page 18: Connectors

    Connectors There are many connectors on this main board. Refer to the following pages for details. 2-3-1 Front Panel Front panel has connectors as “EXTSMI,” “PW-BT,” “HDD-LED,” “RESET,” “SPEAKER,” “TURBO,” and “PW-LED”. Please refer to details as below. VIA693/693A...
  • Page 19 RESET TURBO PW-BT HDD-LED EXTSMI PW-LED SPEAKER SYSTEM MANAGEMENT INTERRUPT SMI connector is a 2-pin Berg strip which is also called “green” or “sleep” connector. When EXTSMI is turned from open to close and back to open, the system will enter sleep mode immediately. This function is to make sure power saving is working well.
  • Page 20 J4 : front panel EXTSMI GND EXTSMI POWER BUTTON Power Button with a 2-pin Berg strip on case front panel indicates the current power status of system. It is used to connect to the Power Button on the front panel of the case (if there is). J4 : front panel PW-BT PW-BT...
  • Page 21 J4 : front panel HDD-LED VCC HDD-LED RESET RESET connector is a 2 -pin keyed Berg strip, connected to the push button reset switch on the case front panel. Shorting both pin 1 & pin 2 can reset the system, which is similar to the power off and then on again. J4 : front panel RESET RESET...
  • Page 22 J4 : front panel SPEAKER Data NC NC VCC TURBO-LED TURBO-LED with a 2-pin Berg strip on case front panel indicated the current speed status of system. It is used to connect to the Turbo LED on the front panel of the case(if there is). J4 : front panel Turbo LED PW-LED...

  • Page 23: Back Panel

    PW- LED is a 3-pin connector. It is used to connect to the LED on the case front panel. The LED shows the status of the power. J4 : front panel PW-LED GND VCC VCC 2-3-2 Back Panel There are COM1/3, COM2/4, LPT, USB and keyboard/ mouse and CN2 on the case back panel.

  • Page 24: L P T ( P A R A L L E L P O R

    The onboard serial port 1 and port 2 are the 9-pin D-subminiature male connector COM1/3 and COM2/4. COM1/3 and COM2/4 can be disabled in BIOS setup. Please refer to Chapter 3 “Integrated Peripherals” for more information. COM1/3 COM2/4 LPT(Parallel Port) The onboard parallel port is a 25-pin female connector, marked as “LPT.”...

  • Page 25: Keyboard & Mouse

    Universal Serial Bus connector, marked as “USB,” is used to connect USB devices. There are 2 USB connectors on this main board. USB1 Back Panel Keyboard & Mouse The onboard PS/2 keyboard and mouse connector is 6-pin Mini-Din connectors, marked as “KEYBOARD” and “MOUSE.” Keyboard Mouse 2-3-3 Expansion Slots...

  • Page 26: Slot

    Expansion slots contain one A.G.P slot, four PCI slots, two ISA slots and one AMR slot on this main board. Below are details. AGP1 Slot AGP1 (Accelerated Graphic Port) is the new bus standard that allows the bus speed to run at 66 MHz with up to 133 MHz data transfer capabilities, which is four times as fast as that of the PCI bus.

  • Page 27: I Slots

    PCI Slots There are four PCI slots on board; three are “master” bus and one is “slave.” 133MB/s data transfer rate on PCI bus can be compared to 33MB/s on EISA bus or 8MB/s on ISA bus. PCI interface has synchronous data transfer rate from CPU to PCI with good graphic performance.

  • Page 28: A Slots

    ISA Slots There are two standard 16-bit ISA slots on board. All of them are bus mastering. ISA2 ISA1 VIA693/693A...

  • Page 29: Atx Power Supply Connector

    2-3-4 ATX Power Supply Connector ATX power supply connector has 20 pins, which is designed for ATX case especially. The ATX power supply supports the function of the “Soft Power On Momentary switch” which connects on the front panel switch to the 2-pin PW-BT on the system board.

  • Page 30: Cpu Fan Connectors

    2-3-5 CPU Fan Connectors There are 3 fan connectors on this system board, and they are marked “FAN 1,” “FAN2” and “FAN3”. Each fan connector has three pins. Fan Signal 2-3-6 Floppy Interface Floppy interface connector with 34 pins is used to attach the floppy drive cable.

  • Page 31: Ide1 And Ide2

    2-3-7 IDE1 and IDE2 IDE 1/ IDE 2 both have 40 pins. There are 2 IDE connectors supported on this system board. IDE1 is primary channel, and IDE2 is secondary channel. Each channel supports 2 IDE devices, and 4 devices in total for this main board. IDE1 IDE2 VIA693/693A...

  • Page 32: Ir Connector

    2-3-8 IR Connector IR connector supports wireless infrared module. With this module and application software like LAPlink, or WIN95 Direct Cable Connection, user can transfer data to or from laptops, notebooks, PDA and printers. This connector supports HPSIR, ASKIR, and Fast IR. Attach Infrared module to IR connector and enable BIOS “Infrared function.”...

  • Page 33: Wake Up On Lan

    2-3-9 Wake up on LAN Wake up on LAN, marked as “WOL,” is a 3-pin connector. To support this feature, a network card is required for the system and in addition, a network management software must be installed too. Wake up on LAN 1 5VSB 2 GND 3 PME...

  • Page 34: Internal Audio Connectors

    WOL (Wake up on LAN) function requirement: To find “Modem Ring Resume” under “Power Management” and set “Enabled”. 2-3-10 Internal Audio Connectors Internal Audio Connectors are “CD_IN 1” and “CD_IN 2”. Internal Audio Connector CD_IN1 CD_IN2 VIA693/693A...

  • Page 35: Dimm Memory Installation

    DIMM Memory Installation The main board has 3 DIMMs on board. Either DIMM1, DIMM2, or DIMM3 supports 8 MB, 16 MB, 32 MB, 64 MB, and 128MB. Maximum memory for SDRAM is up to 384MB. DIMM1 VIA693/693A DIMM2 DIMM3...
  • Page 36 Insert the module as shown. Due to different number of pins on either side of the breaks, the module will only fit in the orientation as shown. There is no jumper setting for memory configuration. DIMM Chipset only allows synchronuos operation for DIMM and CPU. Therefore, to have a stable system, the system must use 100 MHz “PC-100 SDRAM memory DIMM”...

  • Page 37: Cpu Rm Kit Assembling Procedure S

    2-5 CPU RM Kit Assembling Procedure The enclosed RM Kit accommodates Pentium® III & Pentium® II processors. User may refer to the attached page enclosed with the RM kit to install the processors. 1. Check if the following set of piece parts are included in your package. 4 seperate piece parts in total.
  • Page 38 2. Make sure power is off during assembly. 3. Insert the RMAMs through the bottom of the motherboard and attach them to the retention mechanism. 4. Fasten up the screws on the retention mechanism to tighten up retenion mechanism and RMAM. Check if all the piece parts are fastened tightly. 5.

  • Page 39: Chapter 3 Bios Setup

    Lock for ***Celeron™ & SECC-II: use screw driver or Celeron & any tool alike to draw this and hold. At the SECC-II same time, softly pull one side of the CPU out. Then, pull the other side and CPU will be loosen this way.

  • Page 40: Standard Cmos Setup

    Standard CMOS Setup The ”Standard CMOS Setup” allows user to configure system setting such as current date and time, type of hard disk drive installed in the system, floppy drive type, and the type of display monitor. Memory size is auto detected by the BIOS and displayed for your reference.
  • Page 41 Hard Disk Configurations 1. TYPE : Select "USER" to fill the remaining fields. Select "AUTO" to detect the HDD type automatically. Selecting “NONE,” the system will not detect hard dsk type. 2. SIZE : the hard disk size. The unit is mega byte(MB). 3.

  • Page 42: Bios Features Setup

    5. PRECOMP : the cylinder number at which the disk drive changes the write timing. 6. LANDZ : the cylinder number that the disk drive heads (read/write) are seated when the disk drive is parked. 7. SECTOR : the sector number of each track defined on the hard disk. The range is from "1"...
  • Page 43 parameter data from BIOS [F6] or CMOS [F7] area if shown data is corrupted. This provides the system a capability to recover from any possible error. Virus Warning :Enabled :Disabled (default) CPU Internal Cache Enabled (default): enable L1 cache Disabled: disable L1 cache VIA693/693A...
  • Page 44 External Cache Enabled (default): enable L2 cache Disabled: disable L2 cache CPU L2 Cache ECC Checking Enabled (default): enable L2 cache ECC checking Disabled: disable L2 cache ECC checking Quick Power On Self Test This category speeds up power on self test. Enabled (default) : BIOS will shorten or skip some check items.
  • Page 45 :On(default) :Off Gate A20 Option :Normal :Fast (default) Typematic Rate Setting This determines the typematic rate. Enabled: enable typematic rate and typematic delay programming. Disabled (default): disable typematic rate and typematic delay programming. The system bios will use default value of this 2 items and the default is controlled by keyboard.

  • Page 46: Chipset Features Setup

    Setting password in BIOS CMOS “Supervisor Password” or User Password,” the user needs to key in password if entering BIOS CMOS setup. :System---security protection in system boot-up & BIOS setup This function secures the system under system boot-up and BIOS setup. PCI/VGA Palette Snoop Enabled: it allows you to install an enhanced graphics adapter card.
  • Page 47 Bank 0/1(2/3, 4/5) DRAM Timing VIA693/693A...
  • Page 48 This will determine the timing of SDRAM. The user can separately adjust the timing of bank 0/1, 2/3, 4/5. –9 : SDRAM 10ns (default)— 10 nano second : SDRAM 8ns, normal, medium, fast, turbo SDRAM Cycle Length: control the DRAM page missing and row miss leadoff timing.
  • Page 49 Video RAM Cacheable :Enabled --- allows caching of the video RAM, resulting in better system performance. However, if any program writes to this memory area, a system error may occur. :Disabled (default) AGP Aperture Size To select the size of the Accelerated Graphics Port (AGP) aperture is a portion of the PCI memory address range dedicated for graphics memory address space.
  • Page 50 OnChip Modem :Enabled :Disabled (default) Auto Detect DIMM/PCI Clk :Enabled :Disabled (default) Spread Spectrum :Disabled (default) :0.25%,0.50% VIA693/693A...

  • Page 51: Power Management Setup

    Power Management Setup VIA693/693A...
  • Page 52 ACPI function :Disabled :Enabled (default) Power Management :User Define(default)--users can configure their own power management :Min Saving :Max Saving PM Control By APM No : system BIOS will ignore APM. Yes (default) : system BIOS will wait for APM's prompt before it enter any PM mode, e.g.
  • Page 53 : Delay 4 sec This allows the user to set the soft-off power button to turn off the system or set to “4 seconds” holding the power and system will shut down in 4 seconds. HDD Power Down :Disabled(default) :1 Min ∼ 15 Min Doze Mode :Disabled(default) :10 Sec, 20 Sec, 30 Sec, 40 Sec, 1 Min, 2 Min, 4 Min, 6 Min, 8 Min, 10 Min, 20...

  • Page 54: Pnp/Pci Configuration Setup

    Select “on,” it adds the following functions, “IRQ3(COM2) - IRQ15 (Reserved).” :OFF Select “off,” “IRQ3 (COM2)- IRQ15 (Reserved)” will not show. PNP / PCI Configuration Setup VIA693/693A...
  • Page 55 PNP OS Installed :No(default) OS will not recognize PnP devices. :Yes OS will arrange the setup of PnP devices. Resources Controlled By :Manual(default) The table will show the below items: “Reset Configuration Data, IRQ-3 assigned to, DMA-0 assigned to.” The user can adjust the shown items as required. :Auto The table will not show the above items, and the system will automatically assign the above setup.
  • Page 56 :Enabled (default) :Disabled PCI Dynamic Bursting :Enabled (default) :Disabled PCI Master 0 WS Write :Enabled (default) :Disabled PCI Delay Transaction :Enabled (default) :Disabled PCI#2 Access #1 Retry :Enabled :Disabled (default) AGP Master 1 WS Write :Enabled (default) :Disabled AGP Master 1 WS Read :Enabled :Disabled (default) Assign IRQ for USB...

  • Page 57: Integrated Peripherals

    Integrated Peripherals VIA693/693A...
  • Page 58 OnChip IDE Channel 0/1 :Enabled (default) :Disabled IDE Prefetch Mode :Enabled (default) :Disabled IDE HDD Block Mode This feature enhances hard disk performance by making multi sector transfer instead of one sector per transfer. Most of IDE drivers, except very early designs ,can use this feature.
  • Page 59 Primary Master UDMA/Primary Slave UDMA :Auto (default) :Disabled Secondary Master UDMA/Secondary Slave UDMA :Auto (default) :Disabled Init Display First :AGP (default) :PCI Slot Onboard FDD Controller : Enabled (default) : Disabled Onboard Serial Port 1 : 3F8/IRQ4 : 2F8/IRQ3 : 3E8/IRQ4 : 2E8/IRQ3 : Auto (default) : Disabled...

  • Page 60: Supervisor/User Password

    : 278H/IRQ5 : Disabled Supervisor/User Password The "Supervisor/User Password setting" utility sets the security protection. There are two kinds of password functions in the setup menu : one is “Supervisor Password,” and the other is “User Password.” Their difference is: Supervisor Password: this function allows you the right to change the options of setup menu.
  • Page 61 ENTER PASSWORD: Step 2: Confirm Password Typing the password again and pressing <Enter> . CONFIRM PASSWORD: Note: If you forget password, please clear CMOS. VIA693/693A...
  • Page 62 (refer to RTC) Step 3: Set “Security Option” in “BIOS Features Setup” After setting password, enter “Security Option” in “BIOS Features Setup.” There are 2 options “Setup” & “System.” “Setup” secures CMOS setup. “System” secures PC sytem and password is required during system boot- up and CMOS setup.

  • Page 63: Ide Hdd Auto Detection

    IDE HDD Auto Detection HARD DISK TYPE SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master: Primary Slave: Secondary Master: Secondary Slave: Select Primary Master Option (N: Skip): N OPTIONS SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE 2 (Y) 4302 8893 4303 8894...
  • Page 64 The "IDE HDD AUTO DETECTION" utility is a very useful tool especially when you do not know which kind of hard disk type you are using. You can use this utility to detect the correct disk type installed in the system automatically or you can set hard disk type to auto in the standard CMOS setup.
  • Page 65 A new HDD accessing method to overcome the 528 MB bottleneck. The number of cylinders, heads & sectors shown in setup may not be the number physically contained in the HDD. During HDD accessing, the ide controller will transform the logical address described by sector, head &...

  • Page 66: Load Setup Defaults

    No. Head (32) No. Sector (63) No. Bytes Per Sector (512) 1 GB 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 an operating system which replaces the whole int 13h.

  • Page 67: Save And Exit Setup

    3-11 Save & Exit Setup The "Save & Exit Setup" option will bring you back to boot up procedure with all the changes, you have made which are recorded in the CMOS RAM. VIA693/693A...

  • Page 68: Quit Without Saving

    3-12 Quit Without Saving The "Quit Without Saving" option will bring you back to normal boot up procedure without saving any data into CMOS RAM. All of the old data in the CMOS will not be destroyed. VIA693/693A...

  • Page 69: Chapter 4 Appendix

    Chapter 4 Appendix 4-1 Memory Map Address range Size Description 00000-7FFFF 512K Conventional memory 80000-9FBFF 127K Extended conventional memory 9FC00-9FFFF Extended BIOS data area if PS/2 mouse is installed A0000-C7FFF 160K Available for hi DOS memory C8000-DFFFF Available for hi DOS memory and adapter ROMs E0000-EEFFF Available for UMB...

  • Page 70: I/O Map

    4-2 I/O Map 000-01F DMA controller (master) 020-021 Interrupt controller (master) 022-023 Chipset control registers. I/O ports 040-05F Timer control registers 060-06F Keyboard interface controller (8042) 070-07F RTC ports & CMOS I/O ports 080-09F DMA register 0A0-0BF Interrupt controller (slave) 0C0-0DF DMA controller (slave) 0F0-0FF...

  • Page 71: Time & Dma Channels Map

    Time & DMA Channels Map Time map: Timer channel 0 system timer interrupt Timer channel 1 DRAM refresh request Timer channel 2 speaker tone generator DMA channels: DMA channel 0 available DMA channel 1 onboard ECP (option) DMA channel 2 floppy disk (Winboand chip) DMA channel 3 onboard ECP (default) DMA channel 4 cascade for DMA controller 1 DMA channel 5 available...

  • Page 72: Interrupt Map

    4-4 Interrupt Map NMI: Non-Maskable Interrupt IRQ(H/W): 0 system timer interrupt from timer 0 keyboard output buffer full cascade for IRQ 8-15 serial port2 serial port1 parallel port 2 floppy disk (Winbond chip) parallel port 1 RTC clock available 10. available 11.

  • Page 73: Rtc & Cmos Ram Map

    4-5 RTC & CMOS RAM Map Seconds Seconds Alarm Minutes Minutes Alarm Hours Hours Alarm Day of Week Day of Month Month Year Status Register A Status Register B Status Register C Status Register D Diagnostic Status Byte Shutdown Byte Floppy Disk Type Drive Type Byte Hard Disk Type Byte Reserve...

  • Page 74: Isa I/O Address Map

    Base Memory High Byte Extension Memory Low Byte Extension Memory High Byte 19-2D 2E-2F Reserved for Extension Memory Low Byte Reserved for Extension Memory High Byte Information Flag 34-3F Reserved 40-7F Reserved for Chipset Setting Data 4-6 ISA I/O Address Map I/O Address (HEX) I/O device 000 - 01F...
  • Page 75 I/O Address (HEX) I/O device 2F8 - 2FF Serial Port 2 (RS-232-C) 300 - 31F Prototype Card 360 - 363 PC Network (Low Address) 364 - 367 Reserved 368 - 36B PC Network (High Address) 36C - 36F Reserved 378 - 37F Parallel Printer Port 1 380 - 38F SDLC, Bisynchronous 2...

  • Page 76: Chapter 5 Q

    Chapter 5 Q & A Errors Messages During Power On Self Test During power on self test (post), BIOS will automatically detect the system devices. Below are the questions that users may always meet. The user may press “Esc” key to skip the full memory test. 1.
  • Page 77 It indicates the checksum of the BIOS code is not right and system will always halt on power on screen. Contact the dealer to exchange new BIOS. 3. CMOS battery fails It indicates the CMOS battery does not work. Contact the dealer to exchange a new battery.

  • Page 78: Frequently Asked Questions

    10. Primary master hard disk fail The BIOS find an error in the primary master hard disk drive. 11. Primary slave hard disk fail The BIOS finds an error in the primary slave hard disk drive. 12. Secondary master hard disk fail The BIOS finds an error in the secondary slave master hard disk drive.
  • Page 79 83 MHz, 103 MHz, 102 MHz, 112 MHz, 133MHz. These are for internal test only. No guarantee is provided since this is not included in chipset specification. Q: Why is my system not stable with 100 MHz CPU? A: There are many reasons for this condition. One of the most common is that SDRAM does not match PC-100 specification.

Table of Contents