K7V266A (VIA KT266A Chipset, Socket-462) For AMD® Athlon XP/ Athlon/ Duron CPUs With DDR 266 Memory ATX Form Factor Main Board User’s Manual (Ver.:1.
Copyright Copyright©2001 by this company. No part of this document may be reproduced, transmitted, transcribed, stored in a retrievable system, or translated into any natural or computer language, in any form or by any means without prior written permission. This manual and the information contained here are protected by copyright. All rights reserved. Copyright 2001. All Rights Reserved. Revision History Revision 1.0 Date Jan.
Warning and disclaimer This manual is designed to provide information about the AMD® Athlon XP/ Athlon/ Duron mainboard. Effort have 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.
Table of Contents Chapter 1 1-1 1-2 1-3 Main Specifications……………………………………………………2 System Configuration……………………………………………..……4 Notice of Hardware Installation………….……………………....……5 Chapter 2 2-1 2-2 2-3 2-3-1 2-3-2 2-4 2-3-1 2-5 2-5-1 2-5-2 2-5-3 2-5-4 2-5-5 2-5-6 2-5-7 2-5-8 2-6 2-6-1 Installation……………….……………………….…6 Component Locations …………………..…………………………..…6 Layout Reference……………………………………………..………..
Chapter 4 4-1 4-2 4-3 4-3-1 4-3-2 4-3-3 4-3-4 4-3-5 4-3-6 4-3-7 4-3-8 4-3-9 Updating the BIOS……………………………………………………29 The CMOS Memory…………………………………………………30 The BIOS Setup Pages………………………………………………32 Standard CMOS Setup………………………………………………35 BIOS Features Setup…………………………………………………39 Chipset Features Setup………………………………………..……43 Integrated Peripherals………………………………………..……...48 Power Management Setup………………………………………….53 PNP/PCI Configuration Setup……………………………………….
Chapter 1 Introduction Thank you for purchasing this high quality motherboard, we are confident that you will be able to use this motherboard to your full satisfaction. This manual is divided into 6 main sections, as described below: . Introduction The introduction contains information on the main specifications for this motherboard, the package contents and cautionary notes. Hardware Installation The Hardware Installation section is the most important in the manual.
1-1 Main Specifications PCB board size and form factor: 24.5 x 30.5cm, ATX type. PCB layer: 4 layers Supported CPUs Can support the latest 200/ 266MB FSB Socket-462 AMD Athlon XP (up to 2000+)/ Athlon (up to 1.4GHz) or Duron (up to 1.2GHz) CPUs or higher speed. Chipset Northbridge The VIATM KT266A system controller is a 200/ 266MHz System Bus. The DRAM controller supports DDR200/ DDR266 Double Data Rated (DDR) SDRAM; it complies with AGP 2.0 specifications for 4X, 2X AGP modes and PCI 2.
CNR Slot A Communication Networking Riser (C.N.R.) slot can be fitted with CNR MODEM, or MODEM. USB interface With support for up to 6 USB ver 1.1 ports, four on-board, this motherboard provides ample USB expansion room. IDE interface This motherboard comes with an onboard PCI Bus Master IDE controller with two connectors that support four ATA66/ 33 devices on two channels.
1-2 System Configurations Below is the VIA KT266A chipset based system configuration: AMD Athlon XP/ Athlon/ Duron processor System Bus 3.2GB/s 2.1GB/sec 8-Bit Hub Interface 26MB/s 6 USB 1.1 Ports 2 ATA100 IDE Channels AC-97 Modem CODEC (optional) PCI Bus VIA VT 8233 SIO Flash BIOS 4 DDR200/266 VIA KT266A DDR200/266 AGP4X (1.5V) 1.
1-3 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. In the package, there are: ➨ This motherboard ➨ 1 Manual ➨ 1 Driver Installation CD-ROM ➨ 1 IDE ATA 66/100 Flat-Cable ➨ 1 Floppy Disk Drive Flat-Cable B. Make sure power is off.
Chapter 2 Installation 2-1 Component Locations 1 2 3 4 5 1 FAN1 2 ATX Power Supply 3 VIA KT266A Chipset 4 CPU Socket-462 5 DIMM 6 IDE 7 VIA VT8233 8 BIOS 9 Floppy 10 Battery 11 FAN2 12 WOL1 13 WOM1 14 CNR Slot 15 PCI slot 16 USB3 17 USB2 18 Sound Codec 19 FAN3 20 AGP Slot 21 GAME PORT LINE-OUT LINE-IN MIC-IN 22 LPT, COM 23 USB 24 PS/2 Mouse & K/B 1 2 3 Set to "2-3" 133MHz 13 12 11 10 6
2-2 Layout Reference PS/2 Mouse & K/B FAN1 Socket-462 USB AGP1 PCI1 Sound Codec PCI2 USB2 PCI3 USB3 PCI4 IR 1 PCI5 VIA VT 8233 FAN2 EXTSMI PW_BN HD-LED RESET ON WOM1 WOL1 7 1 2 3 4 5 FDD1 PCI6 CNR1 BIOS JBAT1 PWR_LED FAN2 JP 1 IDE1 IDE2 JP 2 SPEAKER GAME MIC-IN JCDIN1 LINE-IN ATX Power LINE-OUT DIMM3 DIMM1 COM2 DIMM2 LPT COM1 SW 1
2-3 Jumper Setting User only needs to set JP2 and “DIP –Switch 5” of SW1 for CPU Front Side BUS speed selection, please refer to page-9. (No needs to set BIOS when install CPU). 2-3-1 JP1: AC97 & MC97 Status Selector JP1 is a 2-pin connector which provides AC97 & MC97 status selector. Please see details as below.
2-3-2 JP2 & SW1: CPU Front Side Bus Selector JP2 is a 3-pin connector and SW1 is a 5-pin DIP switch, which provide CPU front Side Bus selector. Please select the right ratio according to your CPU and set details as below. JP2: CPU Front Side Bus speed Selector JP 2 1 2 3 Set to "1-2" 200MHz 1 2 3 Set to "2-3" 266MHz SW 1 ON 1 2 3 4 5 CPU Front Side Bus Speed 200MHz 266MHz JP2 1-2 2-3 DIP 1 OFF OFF DIP 2 ON ON SW1 DIP 3 ON ON DIP 4 ON ON 1. DIP 1-4 of SW1 is reserved for vendor only. 2.
2-4 CPU Installation The first step in the installation of your CPU is the insertion of the CPU into the 462 pins CPU socket. Please follow the steps as outlined below carefully to avoid damage to the CPU. Avoid Static Electricity The AMD K7 processors and your motherboard contain sensitive electronic components that can be easily damaged by static electricity. We recommend that you leave the processor in its original packaging until you are ready to install it.
After placing the CPU lower the release lever to lock the processor in place. Now with the processor properly installed, you can proceed to install the heatsink. It is important to note that If you have never installed a heatsink on an AMD Athlon XP/ Athlon or Duron processor before it may be difficult. We recommend you do a dry run a few times before doing the final installation. To allow you to do this read the following instructions.
The following picture shows a side view of the heatsink with the retaining clip at the bottom of the heatsink. Make sure this retaining clip is at the bottom of the heatsink before trying to install it. The non-moveable end of the heatsink retaining clip installed on the lug at the bottom of the processor socket. This end of the clip simply slides over the lug when you tilt the heatsink / fan assembly towards the lug.
2-4-1 CPU and System Cooling Any attempt to operate the AMD K7 Processor without a suitable cooling solution will result in permanent damage to the processor and potentially other components within the system. FAN Headers Your motherboard allows the use of in all 3 FANs. Of these 3 FANs, 1 can be used by the CPU Heatsink assembly. The other 2 FAN Headers allow connection of a Chassis Fan and a Power Supply FAN respectively.
2-5 Connectors There are many connectors on this main board. Refer to the following pages for details. 2-5-1 Front Panel Front panel has connectors as ”EXTSMI,” “PW_BN,” “HD_LED,” “RESET,” “SPEAKER,” “PWR_LED.” Please refer the details as below.
PWR-LED is a 3-pin connector. It allows you to connect a three pin LED fron the case. Notice the polarity, LED will only light up if the polarity is correct. SPEAKER is a 4-pin keyed Berg strip. This speaker connector is for the internal case speaker. This speaker will enable the BIOS to give spoken messages in case of boot up trouble. The BIOS been codes also use this speaker. For Games and Music this speaker will not be used, but rather the back panel line-out connector.
2-5-2 Back Panel Connectors There are PS/2 keyboard/ mouse, USB, COM1/2, LPT1, MIC, LINE-IN, LINE-OUT and GAME Ports on case back panel. Please refer to more details as below.
COM1/COM2 The onboard serial port 1 and port 2 are the 9-pin D-subminiature male connector COM1 and COM2. COM1 and COM2 can be disabled in BIOS setup. Please refer to Chapter 3 “Integrated Peripherals” for more information. PS2 Keyboard/ Mouse The Keyboard can be plugged in only one way. Please do nor force the connector in, it may get damaged by use of excessive force. It is easy to make the mistake of reversing the PS/2 keyboard and mouse connectors. If your keyboard does not work, check this first.
2-5-3 Power Supply Connector This main board supply standard ATX power connectors, ATX power supply connector has 20 pins, which is especially designed for ATX case. The ATX power supply supports the function of the “Soft Power On Momentary switch” which connects the front panel switch to the 2-pin PW-BN on the system board. While the power switch on the back of ATX power is turned on, the full power will not go into the system board until the front panel switch is momentarily pressed.
2-5-4 Floppy Disk Connector Floppy Disk Connector has 34 pins and allows connection of a floppy drive. In all two floppy drives can be connected to the mother board, known as floppy A and B. The BIOS allows you to disable the floppy controller if you do not use any floppy driver, that will free an Interrupt. The BIOS also allows swapping of floppy A and B although this will not be useful to most users.
2-5-5 IDE1 and IDE2 The IDE connectors are used to connect IDE devices such as Harddisks and CDROM drives to the motherboard. Each connector constitutes an IDE channel, each channel accepts 2 IDE devices, one Master and one Slave. The IDE 1 connector is also known as the primary channel, IDE 2 is the secondary channel. Therefore the primary Master is the IDE device connected to IDE1 as Master, the primary Slave is the IDE device conneced to IDE 1 as Slave.
2-5-6 IR1: IrDA 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 Fsat IR. Attach Infrared module to IR connector. Be sure to put in the right direction during installation.
2-5-7 WOM1: Wake Up on Modem Wake up on Modem marked as “WOM1”, is a 3-pin connector.
2-5-8 WOL1: Wake up on LAN (Optional) Wake up on LAN marked as “WOL1,” is a 3-pin connector. To support this feature, a network card is required for the system and network management software must be installed, too. WOL1: Wake Up on LAN Wake-Up GND 5V-Stand by WOL1 (Wake up on LAN) function requirement: Power supply should be able to offer at least 1A current driving ability to the signal “5V trickle voltage.
2-6 Memory This motherboard supports only Dual Inline Memory Modules (DIMMs). Three sockets are available for 2.5 Volt unbuttered DDR (Double Data Rate). The sizes that are supported are: 128, 256 or 512MB memory sizes between 128MB to 512MB can be formed this way.
2-6-1 Memory Installation The DIMM modules can be inserted in DIMM slots 1 to 3. Because of the three notches in the DIMM module it can be inserted in only one way. Please refer to the picture below for information on how to insert the DIMM modules. DDR WARNING: STOP Make sure that you unplug your power supply when adding or removing memory modules or other system components.
Chapter3 3-1 Software Install Notice of CD Driver Installation This CD contains below drivers. The user must read “Index” before installing required drivers. Index offers all the information on all the drivers. CD driver is always updated with the latest version, so the actual CD content may be somewhat different from the above picture. 1. 2. 3. Main boards: 6va693a, 6va693am, 6va694, 6vapm, 6vmple1_2, 6vple1, I810, I815e, I845, Intv, K7mkle, K7vat, Ktapro, Kx133, Net2100, P4sad, P4smd, P4vad.
3-2 How to Install Software Driver Installation Procedure: 1. Install “Via 4 in 1”： Select “VIA 4 in 1” directory from attached CD, then click “setup” to complete the installation; the “Via 4 in 1” drive provides O.S. Like windows 98/ ME to recognize VIA Chipset. Path root: \Via4in1\ Setup.exe 2. Install sound drive: Select “Viaac97” from attached CD, and selector the Vt8233 directory, then chick “setup” to complete the installation. This driver provides AC-97 Sound driver for O.S.
Chapter4 The BIOS The BIOS is a piece of software (Basic Input Output System) that performs most low level tasks. When you start up your system, the BIOS is the first code that gets to run. The BIOS resides in a FLASH ROM, and the code in the FLASH ROM can be updated through a special utility called AWDFLASH. (Award Flash). This is generally not necessary, but in some cases updating the BIOS is necessary to support new devices that were not on the market at the time the motherboard was released.
4-1 Updating the BIOS As said, this procedure is complicated, only update your BIOS when you experience problems with your system. Because each BIOS release completely overwrites the previous version and there is no need to update to intermediate BIOS releases when updating the BIOS. Therefore always use the latest BIOS revision when doing a BIOS update. The BIOS update procedure is as follows: In order to flash update the BIOS, you will need 2 files: The BIOS binary file (.
4-2 The CMOS memory The BIOS uses the CMOS memory to store all the settings that have been made through the BIOS Setup pages. Battery The CMOS memory remembers all settings, even when the system is switched off, by use of a 3V Lithium battery. If this battery runs low CMOS is unable to keep its settings and you will need to replace the battery. The BIOS will give you an error message when it detects a low battery voltage. The error message ‘CMOS checksum error’ may also point to a low battery problem.
Take the following steps to clear CMOS memory: Take the power cord from the power supply. Temporarily set JBAT1 to 2–3, and set it back to 1-2. Put the power cord back and restart the system, the default values will be loaded. CMOS Status JBAT1 Retain CMOS settings Clear CMOS Settings CMOS 1 2 3 1 2 3 The following part of this chapter will describe the individual BIOS Setup pages and all the items that can be adjusted to fine tune your system.
4-3 The BIOS Setup Pages To enter the BIOS Setup pages, thke the following steps: Start up the system. After memory counting has finished, press [DEL] to enter the BIOS Setup pages.
Hot Keys Throughout the BIOS Setup Pages the hot keys will give you access to a group of commands. Refer to the following table for the hot keys and their function: Key F10 [Esc] F1 F2 F5 F7 Command Save & Exit Setup Quit Help Help Previous values Description Saves the changes made and reboots the system. Returns to the previous menu General Help Help for specific item Restores the previous values. These are the values that the user started the current session with.
Exit Without Saving Selecting ‘Exit Without Saving’ will exit Setup without saving changes to CMOS.
4-3-1 Standard CMOS Setup Select the [STANDARD CMOS SETUP] option from the Main Menu and press [Enter] key. Phienix – AwardBIOS CMOS Setup Utility Standard CMOS Features Date (mm:dd:yy) Mon, Dec 18, 2001 Time (hh:mm:ss) 11 : 51 : 58 " IDE Primary Master " IDE Primary Slave " IDE Secondary Master " IDE Secondary Slave None Drive A Drive B 1.44M, 3.5 in.
IDE Devices When you select one of the IDE devices, a submenu will pop up. Refer to the picture below.
Drive A and Drive B The Drive A / B items allow you select the type of device that you have attached to the Floppy (FDD1) connector on the motherboard. You can select between different floppy disk drive types by using the Page-Up and Page-Down keys. If you press [enter] while Drive A or B is selected the following menu will pop up that will allow to choose a device as well: Drive X None 360K, 5.25 in. 1.2M, 5.25 in. 720K, 3.5 in. 1.44M, 3.5 in. 2.88M, 3.5 in. … ...
Halt On The BIOS will stop booting when an error is detected. You can set through this item what errors will stop the system booting. You can select between different error modes by using the Page-Up and Page-Down keys. Halt On Values All Errors No Errors ALL, BUT KEYBOARD All, but diskette All, but disk/key Meaning Stop booting on all errors. Always Boot, no matter what error is detected. Stop booting on all errors, but not on a keyboard error. Stop booting on all errors, but a diskette error.
4-3-2 BIOS Features Setup Select the [Advanced BIOS Features] option from the Main Menu and press [Enter] key.
Virus protection Values Virus Warning Enabled Disabled Meaning The BIOS will give a beep and a warning whenever an attempt is made to write to the boot sector of the HDD. The BIOS will allow write attempts to the boot sector CPU Cache settings CPU Internal Cache External Cache CPU L2 Cache ECC Checking Values Meaning Enabled This will enable the Internal L1 cache of your CPU. Disabled (Not recommended) Enabled Disabled This will enable the Internal L2 cache of your CPU.
Boot Devices The first to third boot device items allow you to select what device the system should boot from. If the BIOS fails to boot from the first boot device, it will attempt to boot from the second boot device, if that fails too, the third boot device is tried. If you set the boot other device item to enabled, the BIOS will try to boot from other devices if the first to third choices all fail. If you set this item to disabled, the BIOS will not boot if the first to third devices all fail to boot.
Security Option Setup System Password must be entered only when the user wants to enter the BIOS setup. The password must always be entered at boot. OS Select for DRAM > 64MB Values OS Select For Non-OS2 DRAM > OS2 64MB Meaning If your OS is not OS2, always select this setting. Select this setting only if your OS is OS2 Shadow Option This shadow options allow the BIOS to shodow (write to RAM) certain parts of the BIOS code.
4-3-3 Chipset Features Setup Select the [Advanced BIOS Features] option from the Main Menu and press [Enter] key.
Phienix – AwardBIOS CMOS Setup Utility DRAM Clock/ Drive Control Current FSB Frequency Item Help Current DRAM Frequency DRAM Clock DRAM Timing DRAM CAS Latency Bank Interleave Precharge to Active (Trp) Active to Precharge (Tras) Active to CMD (Trcd) DRAM Burst Length DRAM Queue Depth DRAM Command Rate Menu Level " By SPD Manual 2.
1T Command Rate Precharge & Active (Trp) Values Meaning Precharge to 2T Active (Trp) 3T Active to Precharge (Tras) Active to CMD (Trcd) 5T 6T 2T 3T Phienix – AwardBIOS CMOS Setup Utility AGP & P2P Bridge Control X AGP Aperture Size 64M AGP Mode 4X AGP Driving Control AGP Driving Value AGP Fast Write AGP Master 1 WS Write AGP Master 1 WS Read Auto DA Disabled Disabled Disabled Item Help Menu Level " ↑ ↓ → ← : Move Enter: Select + / - /PU / PD: value F10: save ESC: Exit F1: General Help F5 : Pre
This value sets the timing of the signal that the video card driver uses to communicate over the AGP bus. The range is from 00-FF Hex (00-255 DEC). AGP Driving 00-FF Value AGP Bus Timing Setting Values AGP Master 1 WS Write Enabled AGP Master 1 WS Read Enabled Disabled Disabled Meaning AGP Writes are executed with 1 wait state, enable only if your AGP card support this. AGP Write take longer than 1 wait state, default setting.
Disabled This will shut down uwe of the integrated buffer, no delayed transactions are allowed.
Memory Hole Some old devices need a memory hole to be present between 15M and 16M. CPU Cycles matching the hole will be passed on to the PCI bus instead of accessing the memory. Normally you can disable this setting, but if one of your devices needs it set it to enabled. Values Meaning There is no memory hole. Memory Hole Disabled at 15M-16M Enabled A memory hole exists between 15 and 16MB.
4-3-4 Integrated Peripherals Select the [Integrated Peripherals] option from the Main Menu and press [Enter] key.
Phienix – AwardBIOS CMOS Setup Utility VIA OnChip IDE Device OnChip IDE Channel0 Enabled OnChip IDE Channel1 Enabled IDE Prefetcht Mode Enabled Primary Master PIO Primary Slave PIO Secondary Master PIO Secondary Slave PIO Primary Master UDMA Primary Slave UDMA Secondary Master UDMA Secondary Slave UDMA Auto Auto Auto Auto Auto Auto Auto Auto Item Help Menu Level " ↑ ↓ → ← : Move Enter: Select + / -/ PU / PD: value F10: save ESC: Exit F1: General Help F5 : Previous Values F6:Fail-Safe Defaults F7:
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Phienix – AwardBIOS CMOS Setup Utility VIA OnChip PCI Device VIA-3058 AC97 Audio Auto VIA-3068 MC97Modem Auto Item Help Menu Level " ↑ ↓ → ← : Move Enter: Select + / -/ PU / PD: value F10: save ESC: Exit F1: General Help F5 : Previous Values F6:Fail-Safe Defaults F7: Optimized Defaults AC97 Setting VIA-3058 AC97 Audio VIA-3068 MC97 Modem Values Auto Disabled Meaning This will allow use of a onboard AC97 sound codec. If you do not need a onboard AC97 sound codec, set this item to disabled.
COM ports (Serial Ports) Values Auto Disabled Onboard serial port 1 / 3F8/IRQ4 2 2F8/IRQ3 3E8/IRQ4 2E8/IRQ3 Meaning The bios will automatically use serial ports. If you do not need the serial port in question, set this item to disabled. Set an IO address and an IRQ to be used by serial ports. IR Control Values Normal UART Mode IrDA Select ASKIR SCR UR2 Duplex Half Mode Full Meaning Allows use of the IR port in IrDA mode. Allows use of the IR port in ASKIR mode. Allows use of the IR port in SCR mode.
Game Port Game Port Values 201 209 Disabled Meaning Setting game port address at 201 Setting game port address at 209. Disabled game port. Values 300 330 Disabled 5 10 Meaning Set mpu401 port address at 300. Set mpu401 port address at 330. Without midi port or none AC97 m/b Set mpu-40 port IRQ address at 5. Set mpu-40 port IRQ address at 5.
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4-3-5 Power Management Setup Select the [Power Management Setup] option from the Main Menu and press [Enter] key.
ACPI Function ACPI Function Values Enabled Disabled Meaning Power Management Option Values Meaning User Define The three items below can be set by the user. The three items below are set to disabled, 1 hour, 1hour Power Min Saving Management respectively. Option The three items below are set to disabled, 1 min, 1min Max Saving respectively. Disabled Will not power down the HDD. HDD Power Will power down the HDD if it is idle for the amount of Down 1 – 15Min minutes selected here.
Power Button Values Soft off by PWRBTN Meaning Switches the system off immediately when pressing the power Instant-off button. This requires you to press the power button for at least 4 Delay 4 Sec seconds before the system switches off.
COM LPT/COM OFF HDD & FDD ON PCI MAster OFF ON Disabled Wake Up On LAN/ Ring Enabled RTC Alarm Resume Disabled Enabled Date (of 0 - 31 Month) Resume time xx:xx:xx Primary INTR ON OFF A COM (serial port) IRQ will wake up the system Both LPT and COM can wake up the system Will not allow the system to wake up on HDD / FDD IRQs When a HDD / FDD IRQ occurs the system will wake up. Will not allow the system to wake up on a IRQ from a PCI master. The system will wake up on a PCI master IRQ.
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4-3-6 PnP / PCI Configurations Select the [PnP / PCI Configurations] option from the Main Menu and press [Enter] key.
Resources Controlled by Values Resources Controlled By Manual Auto Meaning 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. The table will not show the above items, and the system will automatically assign the above setup. Resources If you set the Resources Controlled by item to Auto (ESCD), the BIOS will manage all resources for you.
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4-3-7 PC Health Status Select the [PC Health Status] option from the Main Menu and press [Enter] key.
4-3-8 Frequency/ Voltage Control Select the [Frequency / Voltage Control] option from the Main Menu and press [Enter] key.
4-3-9 Passwords The BIOS Setup program allows you to specify passwords in the Main menu. The passwords control access to the BIOS during system startup. The passwords are not case sensitive. In other words, it makes no difference whether you enter a password using upper or lowercase letters. The BIOS Setup program allows you to specify two separate passwords: Supervisor password User password.
Disabling the password To disable the password, simply press [enter] without entering any other letters or numbers.
Chapter 5 Appendix 5-1 Memory Map Address range 00000-7FFFF 80000-9FBFF 9FC00-9FFFF Size 512K 127K 1K A0000-C7FFF C8000-DFFFF 160K 96K E0000-EEFFF EF000-EFFFF 60K 4K F0000-F7FFF F8000-FCFFF FD000-FDFFF FE000-FFFFF 32K 20K 4K 8K Description Conventional memory Extended conventional memory Extended BIOS data area if PS/2 mouse is installed Available for hi DOS memory Available for hi DOS memory and adapter ROMs Available for UMB Video service routine for monochrome & CGA adapter BIOS CMOS setup util
5-2 I/O Map 000-01F 020-021 022-023 040-05F 060-06F 070-07F 080-09F 0A0-0BF 0C0-0DF 0F0-0FF 1F0-1FB 278-27F 2B0-2DF 2F8-2FF 360-36F 378-37F 3B0-3BF 3C0-3CF 3D0-CDF 3F0-3F7 3F8-3FF DMA controller (master) Interrupt controller (master) Chipset control registers.
5-3 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 (SMC chip) DMA channel 3 onboard ECP (default) DMA channel 4 cascade for DMA controller 1 DMA channel 5 available DMA channel 6 available DMA channel 7 available 70
5-4 Interrupt Map NMI: non-maskable interrupt IRQ(H/W): 0 system timer interrupt from timer 0 1 keyboard output buffer full 2 cascade for IRQ 8-15 3 serial port2 4 serial port1 5 parallel port 2 6 floppy disk (SMC chip) 7 parallel port 1 8 RTC clock 9 available 10 available 11 available 12 PS/2 mouse 13 math coprocessor 14 onboard hard disk (IDE1) channel 15 onboard hard disk (IDE2) channel 71
5-5 RTC & CMOS RAM Map RTC & CMOS : 00 seconds 01 seconds alarm 02 minutes 03 minutes alarm 04 hours 05 hours alarm 06 day of week 07 day of month 08 month 09 year 0a status register a 0b status register b 0c status register c 0d status register d 0e diagnostic status byte 0f shutdown byte 10 floppy disk drive type byte 12 hard disk type byte 13 reserve 14 equipment type 15 base memory low byte 16 base memory high byte 17 extension memory low byte 18 extension memory high byte 19-2d 2e-2f 30 Reserved for ex
5-6 ISA I/O Address Map I/O Address (HEX) I/O device 000 - 01F 020 - 03F 040 - 05F 060 - 06F 070 - 07F 080 - 09F 0A0 - 0BF 0C0 - 0DF 0F0 - 0FF 1F0 - 1F8 200 - 207 20C - 20D 21F 278 - 27F 2B0 - 2DF 2E1 2E2 - 2E3 2F8 - 2FF 300 - 31F 360 - 363 364 - 367 368 - 36B 36C - 36F 378 - 37F 380 - 38F 3B0 - 3BF DMA Controller 1, 8237A-5 Interrupt Controller 1, 8259A System Timer, 8254-2 8042 Keyboard Controller real-time Clock/CMOS and NMI Mask DMA Page Register, 74LS612 Interrupt Controller 2, 8259A DMA Controller
I/O Address (HEX) I/O device 390 - 393 3A0 - 3AF 3C0 - 3CF 3D0 - 3DF 3F0 - 3F7 3F8 - 3FF 6E2 - 6E3 790 - 793 AE2 - AE3 B90 - B93 EE2 - EE3 1390 - 1393 22E1 2390 - 2393 42E1 62E1 82E1 A2E1 C2E1 E2E1 Cluster Bisynchronous 1 Enhanced Graphics Adapter Color/Graphics Monitor Adapter Diskette Drive Controller Serial Port 1 (RS-232-C) Data Acquisition Adapter 1 Cluster Adapter 1 Data Acquisition Adapter 2 Cluster Adapter 2 Data Acquisition Adapter 3 Cluster Adapter 3 GPIB Adapter 1 Cluster Adapter 4 GPIB Adapte
Chapter 6 6-1 Q&A Errors Messages During Power On Self Test During power on self test (post), BIOS will automatically detect the system devices. Below is the question that users most often meet. The user may press “Esc” key to skip the full memory test. 1. Beep sound On power on, the system make beep sound to offer different messages. If the system is configured correctly, it prompts a short beep to show device configuration is done correctly.
6. Hard disk install failure The system can not find or initialize the hard drive controller or the drive. Check if the controller is set correctly. If no hard disk is installed, “Hard drive selection” must be set to “none.” 7. Keyboard error or no keyboard present This means the system can not initialize the keyboard. Check if the keyboard is plugged well and be sure no keys are pressed during power on self test. 8.
