
Technical Reference
SB-6862
Dual Pentium® Pro Single Board Computer
with Natoma Chipset
1641 McGaw Avenue
Irvine, California 92614
iSB-6862

ii SB-6862

Features
Intel Pentium® Pro processor, upgradeable through 180 or
200 MHz; and dual Pentium
Intel Natoma chipset
Basic connectors provided for speakers, hard disk LED,
reset/turbo LED, keylock, PS/2 mouse and CMOS
battery
System memory upgradeable to 1 GB using x 64 or
x 72 dual inline memory modules (DIMM)
Processor facilitated error correcting memory (ECC)
using x 72 DIMM
®
Pro upgrade
Processor-based cache: 256 KB or 512 KB on-board
On-board E-IDE controller with seperate master/slave
IDE mode support for up to 4 IDE drives and support for
up to 2 floppy drives
On-board I/O: 2 serial, 2 universal serial bus (USB) and
1 parallel ports
PS/2 keyboard mini-DIN connector; extra on-board PS/2
mouse connector
iiiSB-6862

FCC Standards
The FCC (Federal Communications Commission) restricts
the amount of radiation and radio frequency emissions
coming from computing equipment.
Note: This equipment has been tested and found to comply
with the limits for a Class B digital device pursuant to Part
15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and
can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radioor television reception, which can be determined by
turning the equipment off and on, the use is encouraged to try
to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and
receiver.
Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician
for help.
CSS Labs is not responsible for any radio or television
interference caused by unauthorized modifications to this
equipment. Operation with non-certified peripherals is likely
to result in interference to radio and TV reception.
iv SB-6862

To ensure compliance to FCC non-interference regulations,
peripherals attached to this device require shielded I/O cables.
NOTICE: The use of a non-shielded I/O cable with this
device is in violation of U.S. Federal law and will not allow
the device to meet the maximum emission limits.
CAUTION: Any changes or modifications not expressly
approved by the grantee of this device could void the users
authority to operate the equipment.
Note: If you have purchased the miniature tower system,
please note the following...
WARNING: The system is to be installed on desk or table
tops only. The unit will become unstable if operated as a floor
standing unit and unintentional force is applied to the top of
the unit.
Turn the unit off and unplug the power cord before you
open the cover to install any cards or peripheral devices.
vSB-6862

WARNING
CAUTION: THERE IS A DANGER OF EXPLOSION IF
THE BATTERY IS INCORRECTLY REPLACED.
REPLACE ONLY WITH THE SAME OR EQUIVALENT
TYPE RECOMMENDED BY THE MANUFACTURER.
DISCARD USED BATTERIES ACCORDING TO THE
MANUFACTURERS INSTRUCTIONS.
ATTENTION:IL Y A DANGER DEXPLOSION SIL Y A
REMPLACEMENT INCORRECT DE LA BATTERRIE.
REMPLACER UNIQUEMENT AVEC UNE BATTERI DU
MEME TYPE OU DUN TYPE RECOMMENDE PAR LE
CONSTRUCTEUR. ETTERAU REBUT LES
BATTERRIES USAGEES CONFORMEMANT AUX
INSTRUCTIONS DU FABRICATANT.
vi SB-6862

NOTICE
The information within this manual is subject to change
without notice.
CSS Laboratories, Incorporated shall not be held liable for
technical or editorial errors or omissions contained in herein;
nor for incidental or consequential damages resulting from the
furnishing, performance or use of this material.
All rights reserved. No part of this publication may be
reproduced, stored in a retrieval system, or transmitted, in
any form or by any means, mechanical, photocopying,
recording or otherwise, without the prior written permission
of CSS Laboratories, Inc.
Product names mentioned herein are for identification
purposes only, and may be trademarks and/or registered
trademarks of their respective companies.
© 1997 CSS Laboratories, Inc. All rights reserved.
P/N MS-SBC-6862-DOC Revision 1 August, 1997
viiSB-6862

viii SB-6862

Table of Contents
Overview ............................................................................... 1
The Microprocessor .............................................................. 2
The Board ............................................................................. 3
Voltage Regulator ..................................................... 4
Board Connectors ................................................................. 5
Keyboard Connector K1 ......................................... 5
Primary IDE Drive Header J11............................... 5
Secondary IDE Drive Header J12 ........................... 6
Parallel Port DB1 ................................................... 6
Serial Port 1 Connector J98 .................................... 6
Serial Port 2 Connector J97 .................................... 6
Floppy Drive Connector J8 ..................................... 6
Universal Serial Bus Connectors J3, J4 .................. 6
Fan Connectors JP18, JP45 .................................... 7
Jumpers ................................................................................. 8
Processor Bus Clock Speed JP4, JP3 ..................... 8
Processor Bus Frequency JP26, JP27 .................... 9
Processor Speed Ratio JP32, JP31, JP30, JP29 .... 10
System Memory ...................................................................11
Installing and Removing DIMM .......................................... 11
System Memory Configuration ........................................... 12
System Memory Map .......................................................... 15
Timers...................................................................15
System Interrupts ................................................................ 16
Direct Memory Access ........................................................ 17
The I/O Address Map ......................................................... 18
Configuration Utilities ........................................................ 19
Overview ................................................................ 19
Standard Setup ....................................................... 21
Advanced Setup ..................................................... 22
Advanced Chipset Setup ........................................ 23
Power Management Setup ..................................... 24
PCI/PnP Setup ....................................................... 25
Peripheral Setup ..................................................... 26
ixSB-6862

x SB-6862

Overview
This document describes the technical features of the
board. The topics include:
The Microprocessor - description of the features of
the
Pentium® Pro microprocessor
Board - illustration and brief description of the
board
Connectors - description of connector locations and
functions on the board
Jumpers - detailed description of the jumpers used
to the board
System Memory - detailed description of system
memory how to add memory
System Memory Map - listing of traditional address
assignments for system memory
Configuration Utilities - a description and
instructions for the boards BIOS
1SB-6862

The Microprocessor
The Pentium Pro microprocessor contains all the features
of the Pentium and 80486 processors, and is 100%
compatible with 8086/88, 80286, and 80386 DX and SX
microprocessors. In addition, the Pentium features:
64-bit Data Bus
Superscalar Architecture
Capability for executing two instructions in parallel
Pipelined Floating-Point Unit
Separate 8 KB Code and 8 KB Data Caches (total 16
L1 cache)
256 KB or 512 KB internal L2 cache
Bus Cycle Pipelining
Writeback MESI Protocol in the Data Cache
Internal Parity Checking
It is available in a variety of speeds, from 180 MHz through
200 MHz.
For additional information, talk to your authorized CSS
Laboratories representative.
2 SB-6862

The Board
FLOPPY
IDE-PRI
IDE-SEC
1
1
1
J8
J11
J12
VOLTAGE
REGULATORS
KEYBOARD
K1
J67
1 11
1
1
J68
JP24
J70
J69
1
1
JP4
JP3
1
1
Dual
Processor
J98
SERIAL 1
J97
SERIAL 2
1 1
JP1
JP18
1
JP46JP47
VRM VRM
JP2
11 11
JP42
1
J3 J4
11 1 1
1
JP7
JP16
JP43
JP29
JP30
JP31
JP32
DB1
PARALLEL
FLASH
JP26
11 1
J47
1
JP6
1
JP27
JP15
1
JP45
Figure 1: The Board
1
Processor
U60
U59
U58
DIMM
U57
J99 J100
DIMM 1
DIMM 2
DIMM 3
DIMM 4
3SB-6862

Voltage Regulator Module
A voltage regulator module installed on the board ensures
that the correct voltage is provided to the particular processor
installed.
When up grading to the faster grade of Pentium processor,
make sure to have the appropriate voltage regulator installed.
4 SB-6862

Board Connectors
Connector Description
K1 Keyboard
J3, J4 Universal Serial Bus (USB)
J8 Floppy drive
J11 Primary IDE
J12 Secondary IDE
J98 Serial 1
J97 Serial 2
DB1 Parallel
JP18, JP45 12 volt CPU fans
Keyboard Connector K1
Keyboard plugs are keyed for proper installation.
Pin Assignment Pin Assignment
1 Clock 4 Ground
2 Data 5 +5 Vdc
3 Not used
Primary IDE Drive Header J11
J11 is the connector for the primary on-board PCI IDE
drive controller. Pin 1 is marked. When connecting your
hard drive, orient the cables pin one with pin 1 of J11.
5SB-6862

Secondary IDE Drive Header J12
J10 is the connector for the secondary on-board PCI IDE
hard drive controller. Pin 1 is marked. Use this to cable
your IDE hard drive. When connecting your hard drive,
orient the ribbons pin one with pin 1 of J71.
Parallel Port DB1
DB1 provides the connection for the boards parallel port.
Serial Port 1 Connector J98
J98 provides the connection for serial port 1 (COM 1).
Serial Port 2 Connector J97
J97 provides the connection for the boards serial port 2
(COM 2).
Floppy Drive Connector J8
J8 connects the floppy drive to the controller provided on
the board.
Universal Serial Bus Connectors J3, J4
The motherboard provides two 4-pin universal serial bus
(USB) connectors.
6 SB-6862

Fan Connectors JP18, JP45
These fans provide cooling for the powerful Pentium Pro
processors. JP45 connects to the primary processors fan.
JP18 connects to the dual processor fan.
Pin Assignment
1 12 volt
2 Ground
7SB-6862

Jumpers
The boards jumpers are pre-configured at the factory.
Read the following section carefully, before configuring
your system.
The board has the following jumpers:
Jumper Description
JP4 Processor bus clock speed
JP26, JP27 Processor bus frequency
JP32, JP31 Processor speed ratio
JP30, JP29
JP69, JP24 Test pins (jumper closed)
JP1, JP2, J70
J47, JP47, JP46 Test pins (jumper open)
Processor Bus Clock Speed JP4, JP3
Pentium Pro processors are designed with one of two bus
clock speeds. The bus clock speed is always a fraction of
the processors internal speed.
Bus Clock JP4 JP3
Speed
60 MHz IN OUT
66 MHz OUT IN
8 SB-6862

Processor Bus Frequency JP26, JP27
JP26 and JP27 synchronize the processor bus frequency with
the processors speed.
Processor Bus JP26 JP27
Frequency
60 MHz IN OUT
66 MHz OUT IN
Processor Speed Ratio JP32, JP31, JP30, JP29
The Pentium
Pro uses a clock multiplier to run at a
speed faster than the processor bus.
These jumpers match the installed processors speed with
single board computers defined processor speed.
When upgrading processors, you may need to adjust these
jumpers.
Processor JP32 JP31 JP30 JP29
Speed Ratio
2x ON ON ON ON
2.5x ON ON ON OFF
3x ON ON OFF ON
4x ON OFF ON ON
4.5x ON OFF ON OFF
9SB-6862

The following table matches processor speed, processor clock
and the boards processor bus speed:
Processor Clock Ratio Processor
Type/Speed Bus Speed
180 MHz 3x 60 MHz
200 MHz 3x 66 MHz
10 SB-6862

System Memory
There are a total of four banks available for memory
upgrades. The board supports DIMM in the following
combinations:
1M x 64/72 = 8 MB/bank
2M x 64/72 = 16 MB/bank
4M x 64/72 = 32 MB/bank
8M x 64/72 = 64 MB/bank
16M x 64/72 = 128 MB/bank
32M x 64/72 = 256 MB/bank
Installing and Removing DIMM
Read these instructions completely before installing or
removing DIMMs. The DIMM is held by plastic press-clips
on both sides of the slot.
Installing DIMM
1) Hold the DIMM so that the gold tab is pointing toward the
slot. The DIMM is keyed so that it will only snap into the
slot when positioned correctly.
2) Press one end of the DIMM until it inserts and its press-
clip snaps into place.
3) Press the other end of the DIMM until it inserts and its
press-clip snaps into place.
Removing DIMM
1) Pull both press-clips simultaneously, until the DIMM pops
up from its slot.
11SB-6862

System Memory Configuration
RAM Bank 0 Bank 1 Bank 2 Bank 3
8 MB 1M x 64/72
16 MB 1M x 64/72 1M x 64/72
16 MB 2M x 64/72
24 MB 1M x 64/72 1M x 64/72 1M x 64/72
24 MB 1M x 64/72 2M x 64/72
32 MB 1M x 64/72 1M x 64/72 1M x 64/72 1M x 64/72
32 MB 2M x 64/72 2M x 64/72
32 MB 4M x 64/72
32 MB 2M x 64/72 1M x 64/72 1M x 64/72
32 MB 2M x 64/72 2M x 64/72
40 MB 1M x 64/72 2M x 64/72 2M x 64/72
40 MB 1M x 64/72 4M x 64/72
40 MB 2M x 64/72 1M x 64/72 1M x 64/72 1M x 64/72
48 MB 4M x 64/72 1M x 64/72 1M x 64/72
48 MB 2M x 64/72 2M x 64/72 2M x 64/72
48 MB 2M x 64/72 4M x 64/72
48 MB 4M x 64/72 1M x 64/72 1M x 64/72
48 MB 4M x 64/72 2M x 64/72
56 MB 1M x 64/72 2M x 64/72 2M x 64/72 2M x 64/72
56 MB 4M x 64/72 1M x 64/72 1M x 64/72 1M x 64/72
64 MB 2M x 64/72 2M x 64/72 2M x 64/72 2M x 64/72
64 MB 8M x 64/72
64 MB 4M x 64/72 4M x 64/72
64 MB 4M x 64/72 2M x 64/72 2M x 64/72
64 MB 4M x 64/72 4M x 64/72
72 MB 8M x 64/72 1M x 64/72
72 MB 1M x 64/72 4M x 64/72 4M x 64/72
80 MB 2M x 64/72 8M x 64/72
80 MB 2M x 64/72 4M x 64/72 4M x 64/72
80 MB 4M x 64/72 2M x 64/72 2M x 64/72 2M x 64/72
80 MB 8M x 64/72 1M x 64/72 1M x 64/72
12 SB-6862

RAM Bank 0 Bank 1 Bank 2 Bank 3
88 MB 8M x 64/72 1M x 64/72 1M x 64/72 1M x 64/72
96 MB 4M x 64/72 4M x 64/72 4M x 64/72
96 MB 4M x 64/72 8M x 64/72
104 MB 1M x 64/72 4M x 64/72 4M x 64/72 4M x 64/72
112 MB 2M x 64/72 4M x 64/72 4M x 64/72 4M x 64/72
128 MB 4M x 64/72 4M x 64/72 4M x 64/72 4M x 64/72
128 MB 8M x 64/72 8M x 64/72
128 MB 16M x 64/72
136 MB 16M x 64/72 1M x 64/72
136 MB 1M x 64/72 8M x 64/72 8M x 64/72
144 MB 2M x 64/72 16M x 64/72
144 MB 2M x 64/72 8M x 64/72 8M x 64/72
144 MB 16M x 64/72 1M x 64/72 1M x 64/72
152 MB 16M x 64/72 1M x 64/72 1M x 64/72 1M x 64/72
160 MB 16M x 64/72 2M x 64/72 2M x 64/72
160 MB 16M x 64/72 4M x 64/72
160 MB 4M x 64/72 8M x 64/72 8M x 64/72
176 MB 16M x 64/72 2M x 64/72 2M x 64/72 2M x 64/72
192 MB 8M x 64/72 8M x 64/72 8M x 64/72
192 MB 16M x 64/72 4M x 64/72 4M x 64/72
192 MB 16M x 64/72 8M x 64/72
200 MB 1M x 64/72 8M x 64/72 8M x 64/72 8M x 64/72
208 MB 2M x 64/72 8M x 64/72 8M x 64/72 8M x 64/72
224 MB 4M x 64/72 8M x 64/72 8M x 64/72 8M x 64/72
224 MB 16M x 64/7 24M x 64/7 24M x 64/72 4M x 64/72
256 MB 8M x 64/72 8M x 64/72 8M x 64/72 8M x 64/72
256 MB 16M x 64/72 16M x 64/72
256 MB 32M x 64/72
256 MB 16M x 64/72 8M x 64/72 8M x 64/72
256 MB 16M x 64/72 16M x 64/72
264 MB 32M x 64/72 1M x 64/72
264 MB 1M x 64/72 16M x 64/72 16M x 64/72
13SB-6862

RAM Bank 0 Bank 1 Bank 2 Bank 3
272 MB 32M x 64/72 1M x 64/72 1M x 64/72
272 MB 32M x 64/72 2M x 64/72
272 MB 2M x 64/72 16M x 64/72 16M x 64/72
280 MB 32M x 64/72 1M x 64/72 1M x 64/72 1M x 64/72
288 MB 32M x 64/72 4M x 64/72
288 MB 32M x 64/72 2M x 64/72 2M x 64/72
288 MB 4M x 64/72 16M x 64/72 16M x 64/72
304 MB 32M x 64/72 2M x 64/72 2M x 64/72 2M x 64/72
320 MB 32M x 64/72 4M x 64/72 4M x 64/72
320 MB 16M x 64/72 8M x 64/72 8M x 64/72 8M x 64/72
320 MB 32M x 64/72 8M x 64/72
352 MB 32M x 64/72 4M x 64/72 4M x 64/72 4M x 64/72
384 MB 16M x 64/72 16M x 64/72 16M x 64/72
384 MB 16M x 64/72 32M x 64/72
384 MB 32M x 64/72 8M x 64/72 8M x 64/72
392 MB 1M x 64/72 16M x 64/72 16M x 64/72 16M x 64/72
400 MB 2M x 64/72 16M x 64/72 16M x 64/72 16M x 64/72
416 MB 4M x 64/72 16M x 64/72 16M x 64/72 16M x 64/72
448 MB 32M x 64/72 8M x 64/72 8M x 64/72 8M x 64/72
512 MB 16M x 64/72 16M x 64/72 16M x 64/72 16M x 64/72
512 MB 32M x 64/72 32M x 64/72
512 MB 32M x 64/72 16M x 64/72 16M x 64/72
520 MB 1M x 64/72 32M x 64/72 32M x 64/72
528 MB 2M x 64/72 32M x 64/72 32M x 64/72
544 MB 4M x 64/72 32M x 64/72 32M x 64/72
640 MB 16M x 64/72 32M x 64/72 32M x 64/72
640 MB 32M x 64/72 16M x 64/72 16M x 64/72 16M x 64/72
768 MB 32M x 64/72 32M x 64/72 32M x 64/72
776 MB 1M x 64/72 32M x 64/72 32M x 64/72 32M x 64/72
784 MB 2M x 64/72 32M x 64/72 32M x 64/72 32M x 64/72
800 MB 4M x 64/72 32M x 64/72 32M x 64/72 32M x 64/72
896 MB 16M x 64/72 32M x 64/72 32M x 64/72 32M x 64/72
1 GB 32M x 64/72 32M x 64/72 32M x 64/72 32M x 64/72
14 SB-6862

System Memory Map
Address (hex) Name Function
000000 to
9FFFFF
0A0000 to
0BFFFF
0C0000 to
0DFFFF
0E0000 to
0EFFFF
0F0000 to
0FFFFF
100000 to
FDFFFF
FE0000 to
FEFFFF
FF0000 to
FFFFFF
640 KB motherboard system memory
128 KB video display
ROM
128 KB I/O
expansion ROM
64 KB reserved on
motherboard
64 KB ROM on
motherbord
maximum memory is
15 MB
64 KB reserved on
motherboard
64 KB reserved on
motherboard
reserved for graphics
reserved for ROM on
I/O
duplicate code
assignment at FE0000
duplicate code
assignment at FF0000
I/O channel memory
duplicate code
assignment at 0E0000
duplicate code
assignment at 0F0000
Timers
The system has three programmable timers/counters
controlled by timer/counter chips and defined as channels 0
through 2 as follows:
Channel 0: System Timer
Channel 1: Refresh Request Generator
Channel 3: Tone Generation for Speaker
15SB-6862

System Interrupts
The processor has two controllers, supplying 16 IRQs.
Below are assignments in decreasing priority.
LEVEL FUNCTION
Microprocessor NMI Parity or I/O Channel Check
Interrupt Controllers
Ctlr 1 Ctlr 2
IRQ0
IRQ1
IRQ2
*Interrupts IRQ8 - IRQ15 redirected to IRQ2*
IRQ8 Real-Time clock interrupt
IRQ9 Software re-directed to INT + AH (IRQ2)
IRQ10 Reserved
IRQ11 Reserved
IRQ12 Reserved
IRQ13 Coprocessor
IRQ14 Fixed disk controller
IRQ15 Reserved
IRQ3 Serial port 2
IRQ4 Serial port 1
IRQ5 Parallel port2
IRQ6 Diskette controller
IRQ7 Parallel port 1
16 SB-6862

Note: IRQ9, IRQ10, IRQ11, IRQ12, IRQ15, IRQ3, IRQ4,
IRQ5 and IRQ7 can be redirected to PCI add-in boards.
The PCI standard has a 4-IRQ limitation. Some PCI add-in
boards do not require IRQs. Some can share an IRQ with
another board of the same model and manufacture. Check the
add-in boards docmentation for IRQ information.
Direct Memory Access
The system supports seven DMA channels:
Controller 1 Controller 2
Channel 0 - Spare Channel 4 - Cascade
for Controller 1
Channel 1 - SDLC Channel 5 - Spare
Channel 2 - Diskette Channel 6 - Spare
Channel 3 - Spare Channel 7 - Spare
The first DMA controller holds channels 0 through 3. These
channels support 8-bit data transfers between 8-bit I/O
adapters and 8- or 16-bit system memory. Each channel can
transfer data in 4 KB blocks.
The second DMA controller holds channels 4 through 7.
Channel 4 cascades channels 0 through 3 to the
microprocessor. Channel 5, 6 and 7 support 16-bit data
transfers between 16-bit I/O adapters and 16-bit system
memory. These DMA channels can transfer data throughout
the 16 MB system-address space in 128 KB blocks.
Channel 5, 6 and 7 cannot transfer data on odd byte
boundaries.
17SB-6862

The I/O Address Map
Address (hex) Function
000-01F DMA #1
020-03F INTR #1
040-05F Timer
060-06F Keyboard
070-07F NMI mask register
080-09F DMA page register
0A0-OBF INTR #2
0C0-ODF DMA #2
0F0-0F1 Clr/rst math coprocessor
0F8-0FF Math coprocessor
1F0-1F8 Fixed disk
200-207 Joystick
278-27F Secondary parallel port
2F8-2FF Secondary serial port
300-31F Prototype card
378-37F Primary parallel port
380-38F SDLC (secondary bisynchronous)
3A0-3AF Primary bisynchronous
3B0-3BF Monochrome display/printer adapter
3D0-3DF Color/graphics monitor adapter
3F0-3F7 Diskette controller
3F8-3FF Primary serial port
18 SB-6862

Configuration Utilities
Overview
The BIOS Setup utility stores your systems configuration.
The utility described below provides a bridge to PCI slots in
excess of the four allowed by current standards.
When your system boots, its configuration is read into
main memory. Hard drives, floppy drives, video adapter,
memory and keyboard are described to the system.
The BIOS is pre-configured at the factory. This document is
an overview of the BIOS.
To start the program, press the <Delete> key while the
system is booting. The Utilities menu screen will display:
AMI HIFLEX SETUP UTILITY - VERSION 1.13
(c) 1996 American Megatrends, Inc. All Rights Reserved
Standard CMOS Setup
Advanced CMOS Setup
Advanced Chipset Setup
Power Management Setup
PCI/Plug and Play Setup
Peripheral Setup
Auto Detect Hard Disk
Change User Password
Change Supervisor Password
Change Language Setting
Auto Configuration with Optional Settings
Auto Configuration with Fail Safe Settings
Save Settings and Exit
Exit Without Saving
Figure 10: The Main Menu
19SB-6862

The most commonly accessed selections are Standard CMOS
Setup, Advanced CMOS Setup, Advanced Chipset Setup,
Power Management Setup PCI/Plug and Play Setup, and
Peripheral Setup.
Standard Setup
This utility allows you to record your system setup.
To start SETUP, Double-click on the Standard Setup icon
on the Main Menu. Alter only the items that need to be
changed or reset. If a selected option is correct, skip the
corresponding step.
AMI BIOS SETUP - STANDARD CMOS SETUP
(c) 1996 American Megatrends, Inc. All Rights Reserved
Date (mm/dd/yy) : Friday, March 3, 1997Base Memory 640 KB
Time (hh/mm/ss) : 11 :11:00 Extd Memory : 15 MB
Floppy Drive A : 1.44 MB 3 1/2
Floppy Drive B : Not Installed
Type Size Cyln Head WPcom Sec Mode Mode Mode Mode
Pri Master Auto
Pri Slave Auto
Sec Master Auto
Sec Slave Auto
LBA Blk PIO 32bit
Boot Sector Virus Protection Disabled
Month: Jan - Dec Esc: Exit : Sel
Day : 01 - 31 PgUp/PgDn : Modify
Year : 1901 - 2099 F2/F3 : Color
Figure 11: The Standard Setup Menu
Pri Master Primary master IDE/PCI hard drive. Define
the parameters of your hard disk and modes. The default
setting is Auto, to auto-detect drive type.
20 SB-6862

Pri Slave Primary slave IDE/PCI hard drive. Define the
parameters of your hard disk and modes. The default
setting is Auto, to auto-detect drive type.
Sec Master Secondary master IDE/PCI hard drive, if
installed. Define the parameters of your hard disk and
modes. The default setting is Not Installed.
Sec Slave Secondary slave IDE/PCI hard drive, if installed.
Define the parameters of your hard disk and modes. The
default setting is Not Installed.
Note: You may also manually enter the hard disk
parameters. Two helpful tables appear at the end of this
section. One describes drive parameters, and the other is a list
of various hard drive parameters.
Floppy Drive A:/Floppy Drive B Select the type that
matches the drive installed. Scroll through the fields using the
up and down arrows. You may select from the following:
5.25 3.5
360 KB 720 KB
1.2 MB 1.44 MB
2.88 MB
Date/Time Enter new values through the keyboard.
Use the arrow keys to toggle between items. Available options
for the highlighted item are displayed on the right side of the
menu. Press <PgUp> or <PgDn> to toggle through available
options.
21SB-6862

Advanced Setup
Advanced Setup allows you to fine tune some of the special
features. These features are pre-set for you at the factory.
Double-click the Advanced Setup icon on the Main Menu.
Use the arrow keys to toggle between items. Available options
for the highlighted item are displayed on the right side of the
menu. Press <PgUp> or <PgDn> to toggle through available
options.
AMI BIOS SETUP - ADVANCED CMOS SETUP
(c) 1996 American Megatrends, Inc. All Rights Reserved
Quick Boot Enabled Available Options:
1st Boot Device IDE-0 Disabled
2nd Boot Device FLOPPY Enabled
3rd Boot Device CDROM
Try Other Boot Devices Yes
Initial Display Mode BIOS
Display Mode at Add-On ROM Init Force BIOS
Floppy Access Control Read Write
Hard Disk Access Control Read Write
S.M.A.R.T. for Hard Disk Disable
Boot Up NumLock On
PS/2 Mouse Support Enabled
Primary Display VGA/EGA
Password Check Setup
Boot to OS/2 No
CPU MicroCode Updation Enabled
P6 Internal Cache Write Back
System BIOS Cacheable Enabled
C000, 16k Shadow Cached
C400, 16k Shadow Cached
Esc: Exit : Sel
PgUp/PgDn : Modify
F2/F3 : Color
Figure 12: The Advanced Setup Menu
22 SB-6862

Advanced Chipset Setup
This option lets you configure some of the advanced features
of your particular system through the chipset. It was pre-
configured at the factory and need not be altered. Double-
click on the Chipset Setup icon on the Main Menu.
Use the arrow keys to toggle between items. Available options
for the highlighted item are displayed on the right side of the
menu. Press <PgUp> or <PgDn> to toggle through available
options.
AMI BIOS SETUP - ADVANCED CHIPSET SETUP
(c) 1996 American Megatrends, Inc. All Rights Reserved
USB Function Disabled Available Options:
USB KB/Mouse Legacy Support Disabled Disabled
USB Passive Release Enable Disabled Enabled
DRAM Speed (ns) 70
DRAM Integrety Mode (ECC) Disabled
DRAM Fast head off Disabled
DRAM Refresh Type CAS/RAS
DRAM Refresh Queue Enabled
DRAM ECC Mode Disabled
VGA Frame Buffer USWC Disabled
PCI Frame Buffer USWC Disabled
Fixed Memory Hole Disabled
CPU to IDE Posting Enabled
USWC Write Posting Disabled
CPU to DRAM Pipeline Enabled
PCI Burst Write Combine Enabled
Read Around Write Enabled
Deturbo Mode Disabled
TypeF DMA Buffer Control 1 Disabled
Esc: Exit : Sel
PgUp/PgDn : Modify
F2/F3 : Color
Figure 13: The Chipset Setup Menu
23SB-6862

Power Management Setup
This utility lets you set the green functionality parameters.
AMI BIOS SETUP - POWER MANAGEMENT SETUP
(c) 1996 American Megatrends, Inc. All Rights Reserved
Standard Power Management Enabled Available Options:
Advanced Power Mngmt (APM) Disabled Disabled
Instant-On Timeout (minutes) N/A Enabled
Auxiliary Power Supply Timeout Disabled
DPMS Video Power Supply Timeout Disabled
Green PC Monitor Power State Disabled
Hard Disk Power Down Mode Disabled
Hard Disk Time Out (Minutes) Disabled
Standby Time Out (Minutes) Disabled
Suspend Time Out (Minutes) Disabled
Slow Clock Ratio 1:1
IRQ3 Ignore
IRQ4 Ignore
IRQ5 Ignore
IRQ7 Ignore
IRQ9 Ignore
IRQ10 Ignore
IRQ11 Ignore
IRQ15 Ignore
Esc: Exit : Sel
PgUp/PgDn : Modify
F2/F3 : Color
Figure 12: The Advanced Setup Menu
Instant On Timer is a green mode timer letting you wake
the system up as it is triggered.
IRQ3, 4, 5, 7, 9, 10, 11, 12, 13, 14, 15 can be ignored or
monitored. Monitored, IRQ activity wakes up the system.
Use the arrow keys to toggle between items. Available options
for the highlighted item are displayed on the right side of the
menu. Press <PgUp> or <PgDn> to toggle through available
options.
24 SB-6862

PCI/PnP Setup
This menu allows you to define attributes of the PCI bus
portion of the motherboard.
AMI BIOS SETUP - PLUG AND PLAY SETUP
(c) 1996 American Megatrends, Inc. All Rights Reserved
Plug and Play O/S No Available Options:
PCI Latency Timer (PCI Clocks) 64 Disabled
PCI VGA Palette Snoop Disabled Enabled
PCI IDE Bus Master Disabled
OffBoard PCI IDE Card Auto
OffBoard PCI IDE Primary IRQ Disabled
OffBoard PCI IDE Secondary IRQ Disabled
DMA Channel 0 PnP
DMA Channel 1 PnP
DMA Channel 3 PnP
DMA Channel 5 PnP
DMA Channel 6 PnP
DMA Channel 7 PnP
IRQ3 PCI/PnP
IRQ4 PCI/PnP
IRQ5 PCI/PnP
IRQ7 PCI/PnP
IRQ9 PCI/PnP
IRQ10 PCI/PnP
IRQ11 PCI/PnP
IRQ15 PCI/PnP
Esc: Exit : Sel
PgUp/PgDn : Modify
F2/F3 : Color
Figure 15: The PCI/Plug and Play Setup Menu
Use the arrow keys to toggle between items. Available options
for the highlighted item are displayed on the right side of the
menu. Press <PgUp> or <PgDn> to toggle through available
options.
25SB-6862

Peripheral Setup
This menu allows you to specify the peripherals installed on
your motherboard.
On-board IDE enables the on-board chipset E-IDE function.
Use the arrow keys to toggle between items. Press <Enter> to
access the drop down selection menu.
Use the arrow keys to toggle between options. Press <Enter>
to make a selection.
AMI BIOS SETUP - PERIPHERALS SETUP
(c) 1996 American Megatrends, Inc. All Rights Reserved
OnBoard FDC Auto Available Options:
OnBoard Serial Port 1 Auto Disabled
OnBoard Serial Port 2 Auto Enabled
OnBoard Parallel Port Auto
Parallel Port Mode ECP
Parallel Port DMA Channel 3
Parallel Port IRQ Auto
OnBoard IDE Both
Esc: Exit : Sel
PgUp/PgDn : Modify
F2/F3 : Color
Figure 16: The Periperals Setup Menu
26 SB-6862

27SB-6862