Shuttle HOT-635 HOT-635 User Manual

FCC Notice:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of 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. If not installed and used properly, in strict accor­dance with the manufacturer’s 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 interference to radio or
television reception, which can be determined by turning the equipment off and on, the user 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/television technician for help and for additional suggestions.
The user may find the following booklet prepared by the Federal Communications Commission helpful “How to Identify

and Resolve Radio-TV Interference Problems.” This booklet is available from the U.S. Government Printing Office.
Washington, DC 20402, Stock 004-000-00345-4

FCC Warning

The user is cautioned that changes or modifications not expressly approved by the manufacturer could void the user’s
authority to operate this equipment.

Note : In order for an installation of this product to maintain compliance with the limits for a Class B device, shielded
cables and power cord must be used.

CE Notice:

Following standards were applied to this product, in order to achieve compliance with the electromagnetic
compatibility :

- Immunity in accordance with EN 50082-1: 1992

- Emissions in accordance with EN 55022: 1987 Class B.

NOTICE

Copyright 1997.
All Right Reserved
Manual Ver 1.0
All information, documentation, and specifications contained in this manual are subject to change without prior

notification by the manufacturer.
The author assumes no responsibility for any errors or omissions which may appear in this document nor does

it make a commitment to update the information contained herein.

TRADEMARKS

Intel is a registered trademark of Intel Corporation

Pentium II Processor is a registered trademark of Intel Corporation
PC/AT is a registered trademark of International Business Machine Corporation.
PS/2 is a registered trademark of IBM Corporation.
All other brand and product names referred to in this manual are trademarks or registered trademarks of their

respective holders.

T

T

PREFACE ...................................................................................................................3

CHAPTER 1 INTRODUCTION ...........................................................................................4

Specification ....................................................................................................................................... 4

Accessories of HOT-635 .................................................................................................................... 6

CHAPTER 2 HARDWARE CONFIGURATION........................................................................7

The Pentium II Processor ................................................................................................................... 7

What does the RM (Retention Mechanism) consist of .....................................................................8

Install the Retention Mechanism and Heat Sink Support .................................................................9

Install Pentium II Processor .............................................................................................................11

Jumpers.............................................................................................................................................. 12

CPU Clock Speed Selection - JP4 and JP9...................................................................................... 12

Clear CMOS - JP12 .......................................................................................................................... 14

Jumper for Seagate 5V IDE H.D.D - JP6 ........................................................................................14

Manufacturer Reserved Jumpers - JP8, J28....................................................................................14

Onboard SCSI Termination - J8....................................................................................................... 15

Connectors & Sockets ...................................................................................................................... 16

CHAPTER 3 MEMORY CONFIGURATION .........................................................................18

CHAPTER 4 FLASH UTILITY ........................................................................................19

CHAPTER 5 AWARD BIOS S ETUP ..............................................................................21

The Main Menu.................................................................................................................................22

Standard CMOS Setup......................................................................................................................24

BIOS Features Setup.........................................................................................................................26

Chipset Features Setup .....................................................................................................................28

Power Management Setup................................................................................................................ 32

PCI Configuration Setup ..................................................................................................................34

Integrated Peripherals....................................................................................................................... 36

Password Setting............................................................................................................................... 39

TABLE OF CONTENTS

2

P

P

PREFACE

HOT-635 mainboard is a highly integrated IBM PC/AT compatible system board. The
design will accept Intel Pentium II processors which features high-performance pipelined
burst secondary cache memory support with size of 512KB or 256KB. The memory
subsystem is designed to support up to 512MB of EDO RAM and SDRAM in standard
168-pin DIMM socket.

HOT-635 provides a new level of I/O integration. Intel's 82440LX AGPset chipset
provides increased integration and improved performance over other chipset designs.

HOT-635 main board provides an AGP slot to support a new generation of graphics cards
with ultra-high memory bandwidth.

HOT-635 provides an onboard Adaptec AIC-7880 SCSI controller which is a Wide PCI­to-SCSI host adapters provide a powerful multitasking interface between system's PCI
bus and SCSI devices.

The 82440LX AGPset chipset provides an integrated Bus Mastering IDE controller with
two high performance IDE interfaces for up to four IDE devices.

The onboard Giga I/O controller provides the standard PC I/O functions: floppy interface,
two FIFO serial ports, an IrDA device port and a SPP/EPP/ECP capable parallel port.

Up to four PCI local bus slots provide a high bandwidth data path for data-movement
intensive functions such as graphics, and up to three ISA slots complete the I/O function.

The HOT-635 provides the foundation for cost effective, high performance, highly
expandable platforms, which deliver the latest in Pentium processor and I/O standard.

3

1

1

The HOT-635 Mainboard is carefully designed for the demanding PC user who wants high perfor­mance and many intelligent features in a compact package:

Intel Chipset:

Features Intel's 440LX AGPset with I/O subsystems.

CPU Support:

Intel Pentium® II processor 233 ~ 333 MHz.

Versatile Memory Supports:

Equipped with four DIMM sockets support 168-pin 3.3V SDRAM and EDO DRAM memory
modules, total memory size up to 512MB.
Configurable support for ECC (Error Checking and Correcting)

PCI and ISA Expansion Slots:

Provides four 32-bit PCI slots and three 16-bit ISA slots.

AGP Slot:

Supports Accelerated Graphics Port cards for high performance, component level interconnect
targeted at 3D graphical display applications.

SPECIFICATION

Onboard GiGA-I/O:

Provides one Floppy port; one optional PS/2 mouse connector; two high-speed UART compatible
serial ports and one parallel port with ECP and EPP capabilities. Serial Port 2 can also be directed
from COM2 to the Infrared Module for wireless connections.

Onboard PCI Bus Master IDE Controller:

Two Ultra DMA/33 Bus Master IDE Ports supports four IDE devices up to 33 MB/sec IDE trans­fers and supports Enhanced PIO Modes 3 and 4 and Bus Master IDE DMA Mode 2 devices.

Onboard Adaptec AIC-7880 SCSI Controller

The onboard Adaptec AIC-7880 SCSI controller is a Wide PCI-to-SCSI host adapters provide a
powerful multitasking interface between system's PCI bus and SCSI devices (disk drives, CD-ROM
drives, scanners, tape backups, removable media drives, etc).
Up to a total of 15 SCSI devices can be connected to the onboard 50-pin 8-bit SCSI-II and 68-pin
16-bit Ultra wide SCSI connectors.

Onboard 20-pin ATX Power Supply:

Provides ATX power connector onboard supports soft-on/off function.

4

System BIOS:

Provides licensed Award V4.51PG BIOS on Flash EEPROM.
Supports Green PC, DMI and Bundled with NCR SCSI BIOS.

ACPI:

Support ACPI (Advanced Configuration and Power Interface) function. ACPI provide more
Energy Saving Features for the future operating system supporting OS Direct Power Management
(OSPM) functionality.

Board Size:

ATX form factor 305mm x 240mm.

Advanced Features:

Low EMI -- Spread Spectrum built in - ±1.5% modulation and automatic clock shut-off of unused
PCI/SDRAMS slots to reduce the EMI.

Dual Function Power Button -- The system can be one of two states, one is Suspend mode and
the other is the Soft-off mode. Pushing the power button for less than 4 seconds will place the
system into Suspend mode. When push the power button for more than 4 seconds, the system
enters the Soft-off mode.

Modem Ring Power on -- The system will power on automatically by activating of modem ring.

More Advanced Features (option):

Temperature Monitoring and Alert -- HOT-635 Provides two temperature sensors to monitor
CPU and system temperature. Support CPU temperature alert to prevent CPU overheat and
damage.

Voltages Monitoring -- System voltages levels are monitored to ensure stable current to main
board components.
System voltages include VCORE and VL2 for CPU, and +5V, +12V, -5V, -12V for system.

CPU Clock Slow Down -- When CPU cooling FAN is malfunctioning, CPU temperature over the
alarm thresholds which setup on BIOS, system will be forced CPU slow down to Doze mode to
prevent CPU damage from system overheat.

FAN Status Monitoring -- To prevent CPU overheat, CPU fan is monitored for RPM and failure.
(CPU Cooling FAN with RPM sensor is required)

Auto FAN Off -- The system and CPU FANs will power off automatically even in suspend mode.

5

ACCESSORIES OF HOT-635

6

2

2

The Pentium II Processor

HARDWARE CONFIGURATION

The Pentium II processor is the next member of the P6 processor family. It combines the
architectural advances in the Pentium Pro processor with the instruction set extensions of
MMX technology. It is fully compatible with the huge base of Intel architecture-based PC
software. Additional, the Pentium II processor delivers new levels of performance for
advance media and communications software including powerful, realistic graphics and
imaging capabilities, video conference, and the ability to run full-screen, full-motion video.
The combination of these advanced technologies makes the Pentium II processor the ideal
choice foe executing modem 32-bit compute-intensive and multimedia-enhanced application
workloads using advanced 32-bit operating systems.

The Pentium II processor has a separate, 32KB, on-chip, non-blocking L1 cache which run at
the processor frequency and a 512KB or 256KB on-board L2 non-blocking cache runs at
half the processor speed.

The Pentium II processor using Single Edge Contact (S.E.C.) cartridge packaging technol­ogy which enables high volume availability, improved handling protection.

Recently release will feature Pentium II processors running at 233, 266, 300 and 333 Mhz.
Figure 2-0 show the front, rear and top views of Pentium II processor (without heat sink

mounted).

Figure 2-0

7

What does the RM (Retention Mechanism) consist of

Pentium II processor requires the Retention Mechanism (RM) and the Heat Sink Support to
hold the base processor in the S.E.C. cartridge.
Following installation procedure will display how to install these mechanism. Please
consult to your supplier for the mechanism.
Retention Mechanism package consists of 2 separate parts and the Heat Sink Support
consists of 3 separate parts.

Retention Mechanism (RM) ­Plastic Guide with captive nuts that hold the
S.E.C. Cartridge in the Slot1 connector.
(Refer to Figure 2-1-1)

Figure 2-1-1

RM Attach Mount (RMAM) ­Bolt/Bridge assemblies inserted up through
the bottom of the mainboard. Then secures the
RM to RMAM (two RMAM required per RM).
(Refer to Figure 2-1-2)

Heat Sink Support Base (HSSBASE) ­Plastic support bar mounted to the mainboard
under the ATX heat sink.
(Refer to Figure 2-1-3)

Figure 2-1-2

Figure 2-1-3

HSS Pin (HSSPIN) ­Plastic pins inserted through the HSSBASE to secure
it to the mainboard (two required per Assembly).
(Refer to Figure 2-1-4)

Figure 2-1-4

HSS Top Bar (HSSTOP) ­Plastic bar that clips onto the HSSBASE
through the fins on the ATX heat sink.
(Refer to Figure 2-1-5)

Figure 2-1-5

8

Install the Retention Mechanism and Heat Sink Support

Place the mainboard on a workbench (not in a chassis). Be sure that the mainboard is bare
(that is, no SIMMs, cables, or cards are installed).

Install the Retention Mechanism :

1. Finds out the Retention Mechanism (RM)
Mounting Holes and "Pin 1" mark of Slot 1
on HOT-635 main board. (Refer to Figure
2-2)

2. Install two Retention Mechanism Attach
Mounts (RMAM) with Bolt/Bridge assem­blies inserted up through the bottom of the
mainboard. (Notice the RMAM's bridge
orientation as Figure 2-3)

3. Insert the Retention Mechanism (RM)
around the Slot 1. Be sure the Square Cut
Mark of RM (Refer to Figure 2-4) have the
same orientation of Slot 1 pin 1.(Refer to
Figure 2-3)

4. Screw the four captive nuts (Refer to
Figure 2-4) on the RM by a screw drive to
secure RM to two RMANs.

Figure 2-2

Figure 2-3

Figure 2-4

9

Install the Heat Sink Support:

Before you install the Heat Sink Support, please check your Pentium II processor, if you have
an Intel boxed processor ( Refer to Figure 2-5), you can ignore this section. In Intel boxed
processor kit, it will includes it's own Heat Sink Support accessories and install manual, you
can Install the Heat Sink Support onto the mainboard by following the Intel processor kit's
instructions.

Figure 2-6 shows the OEM type Pentium II processor with active heat sink.

Figure 2-5

1. Finds out the Heat Sink Support (HSS)
Mounting Holes on HOT-635 main
board. Notice that one hole is larger than
the other hole. (Refer to Figure 2-1)

2. There are two plastic pegs on the
bottom of Heat Sink Support Base
(HSSBASE) bar. Mount the two black
plastic pegs onto the mainboard. Notice
that one hole and the bar of one peg are
larger than the other hole and peg. (Refer
to Figure 2-7)

3. Insert the Heat Sink Pins (HSSPIN)
through the HSSBASE to secure it to the
mainboard. (Refer to Figure 2-7)

4. Insert the Pentium II into the RM
firmly (Please refer to "Install Pentium II
processor" section), Slide the Heat Sink
Top Bar (HSSTOP) on the supports
forward to clip onto the HSSBASE
through the fins of Heat Sink. (Refer to
Figure 2-8)

Figure 2-6

Figure 2-7

10

Figure 2-8

Install Pentium II Processor

Push the latches on the processor toward the center of the processor until they click into
place.

Hold the processor so that the fan shroud is facing toward the Heat Sink Support Base bar on
the mainboard. Slide the processor into the Retention Mechanism. Ensure that the alignment
notch in the processor fits over the plug in Slot 1. Push the processor down firmly, with even
pressure on both sides of the top, until it is seated.

Push the latches on the processor outward until they click into place in the Retention Mecha­nism. The latches must be secured for proper electrical connection of the processor. Slide
the Heat Sink Top Bar (HSSTOP) on the supports forward to clip onto the HSSBASE
through the fins of Heat Sink. (Also refer to "Install Heat Sink Support" section)

Attach the end of the power cable to the three-pin connector on the mainboard or to the
power cord of ATX power supply (depend on power cable type of Fan/Heat Sink).

Figure 2-9

11

Jumpers

Several hardware settings are made through the use of jumper caps to connect jumper pins on
the main board. The jumper's pin 1 on main board will be on the top or on the left when hold­ing the main board with the keyboard connector away from yourself.

Jumpers with two pins will be shown as for Close (On) and for Open (Off).
To connect the pins, simply place a plastic jumper cap over the two pins.

CPU Clock Speed Selection - JP4 and JP9

HOT-635 mainboard features a clock generator to provide adjustable system clock frequency.
JP4 is a 8-pin jumpers which determine the system clock frequency 50 MHz to 83 MHz.

HOT-635 mainboard also provides a 8-pin jumper JP9 to figure the CPU core clock multiplier.
By inserting jumper caps on these jumpers, the user can figure the Host Bus Clock/CPU
Core Clock ratio.

Figure 2-10 shows the position of JP4 and JP9 on the mainboard.

12

Figure 2-10

CPU Clock Configuration Table shows the Pentium II 233MHz, 266MHz, 300MHz and
333MHz quick setting on the mainboard.

System Clock Table shows all of the system bus clocks that the mainboard can offer.
Multiplier Table shows all of the multipliers that the mainboard can support.

CPU Configuration Table

Pentium II

Processor

Sy stem

Clock

Multiplier

233 MHz 66 MHz 3.5
266 MHz 66 MHz 4
300 MHz 66 MHz 4.5
333 MHz 66 MHz 5

System Clock Configuration Table

System Cl ock PCI Bus Clock JP4

50 MHz 25 MHz

60 MHz 30 MHz

Multiplier Table

Multiplier JP9

2

2.5

3

3.5

4

66 MHz 33 MHz

75 MHz 37.5 MHz

83 MHz 41.5 MHz

NOTE: 75 & 83 MHz are for over-clock usage, it is not a recommended

general practice.

4.5

5

5.5

13

Clear CMOS - JP12

HOT-635 mainboard supports jumper JP12 for discharging mainboard's CMOS memory.
This jumper can clear the CMOS data stored in the Giga I/O chip. To clear the CMOS data

please follow listed steps:

1) Turn off the PC,

2) Remove the jumper cap from JP12 pin 1-2,

3) Insert the jumper cap to JP12 pin 2-3 for a brief while,

4) Remove the jumper cap from JP12 pin 2-3,

5) Reinsert the jumper cap to JP12 pin 1-2,

6) Turn on the PC.

Jumper for Seagate 5V IDE H.D.D - JP6

HOT-635 mainboard support jumpers JP6
to enhance compatibility with Seagate 5V
IDE hard disk drives in the market.

Manufacturer

Default

When using
Seagate 5V ID E
hard disk drives

Manufacturer reserved jumpers - JP8, J28

On HOT-635 main board, the user may find
a 3-pin jumper JP8 and a 2-pin jumper J28
which both are manufacturer reserved for
future use.

JP8, J28

Manufacturer

Default

14

Figure 2-11

Onboard SCSI Termination - J8

To ensure reliable communication, the SCSI bus must be properly terminated. Termination
is controlled by a set of resistors, called terminators. Terminators must be placed at the two
extreme ends of the SCSI bus. HOT-635 onboard Wide SCSI controller provides 16-bit
terminator that divided two 8-bit terminator - high byte and low byte, which low byte
controls 8-bit SCSI; the low and high byte together control 16-bit Wide SCSI.

Termination on the HOT-635 is controlled by J8. The default setting is OFF (Termination
Enabled). If Wide SCSI controller on HOT-635 is not an ends of the SCSI but, set J8 to ON
(Termination Disabled).

On board SC SI

Termination

Enabled (Default)

On board SC SI

Termination

Disabled

Figure 2-12

15

Connectors

PIN Function PIN Function

J13 (IDE1)

J6 (FDD) Flo p py Co nnector J9 (COM1) COM 1 Connector

J11 (PRT)

J1 (KB) PS/2 Keyboard Co n nector J1 (MS) PS/2 Mo u se Connector

J4 (USB 1,2)

J32 Power L ED and Keylo ck Conne ctor S1 (PW ON) Powe r Soft Sw itch Connector

JP 10 PC Speaker Connector J33 Hardware Reset Switch Conn e ctor

J29

Primary IDE Connector

Parallel Port Connector

Universal Seria l Bus (USB) C onnectors

On-board EIDE R/W LED Connector

J12 (I DE2)

J7 (COM2)

JP1, JP2, J16

JP 7

Secondary IDE Connector

COM 2 Connector

12V Cooling Fan C o n nector

Infra-red Communication Port Connector

Enhanced IDE and Floppy con­nectors

The main board shipped with one 40-pin
ribbon cable for IDE H.D.D , one 34-pin
ribbon cable for F.D.D. Ribbon cables
should always be connected with the red
stripe on the Pin 1 side of the connector.

12V cooling fan power connec­tors - JP1, JP2 and J16

The main board provides three onboard
12V cooling fan power connectors which
provide maximum 100mAMP current
each for CPU (Fan1-JP1), System(Fan 2­JP2) and AGP device (Fan 3-J16) cooling
fan. Depending on the fan maker, the
wiring and plug may be different. The red
wire should be connected to +12V and
black wire should be connected to ground

Figure 2-13

(GND), and the yellow wire should be
connected to Sense signal. The rotate
speed of Fan 1 and Fan 2 will be reported
on Advanced Chipset Feature Setup of
BIOS.

16

Figure 2-14

Back Panel Connectors

The back panel provides external access to
6-pin female PS/2 style keyboard and
mouse connectors as well as two 9-pin
male serial connectors, one 25-pin female
parallel connector and two 4-pin female
USB connectors which are integrated on
the HOT-635 main board.

Figure 2-15

Infrared module connector - JP4

The main board provides a 5-pin infrared
connector - IR2 as an optional infrared
module for wireless
transmitting and
receiving.

On-board EIDE LED connector ­J30

The main board provides a 5-pin
infrared connector - IR2 as an
optional infrared module for
wireless transmitting and receiv­ing.

ATX Power Switch Button Con­nector- S1

When "Soft-off by PWR-BTTN" set to
Delay 4 sec. on Power management setup

of BIOS program. The system power can
be controlled by a momentary switch
connector. Pushing the switch button less
than 4 seconds will switch the system
between ON and SUSPEND. Pushing the
switch button for more than 4 seconds will
turn off the system.

Figure 2-16

When "Soft-off by PWR-BTTN" set to
Instant-Off on Power management setup
of BIOS program. Pushing the switch
button less than 4 seconds will turn the
system off directly.

50-pin SCSI-II and 68-pin Ultra
Wide SCSI Connectors

The onboard Adaptec AIC-7880 SCSI
controller is a Wide PCI-to-SCSI host
adapter provide a powerful multitasking
interface between system's PCI bus and
SCSI devices (disk drives, CD-ROM
drives, scanners, tape backups, removable
media drives, etc.)

Up to a total of 15 SCSI devices can be
connected to the onboard 50-pin 8-bit
SCSI-II and 68-pin 16-bit Ultra Wide SCSI
connectors.

17

3

3

MEMORY CONFIGURATION

The HOT-635 mainboard provides four 168-pin DIMM sockets that make it possible to
install from 8MB up to 512MB of SDRAM and EDO DRAM. The DIMM socket
support 8MB, 16MB, 32MB, 64MB and 128MB 3.3V single- or double-side SDRAM
and EDO DIMM.

The four DIMM sockets are arranged in four banks of one socket each, Each bank
provides a 64/72-bit wide data path.

HOT-635 provides optional data integrity features including EC (Error Checking) or
ECC (Error Checking and Correcting) in the memory array. EC mode provides single
and multiple bit error detection. In ECC mode, during reads from the DRAM, the HOT­635 provides error checking and correction of the data.

To support ECC, you must use true (opposed to phantom parity generated by TTL chips)
72-bit parity-type DIMM for all modules.

Install memory in any or all of the banks in any combination as follows:

DIMM
Socket

DIMM 0

DIMM 1

DIMM 2

DIMM 3

Memory Modules

8MB, 16MB, 32MB, 64MB, 128MB
168-pin 3.3V SDRAM or EDO DIMM

8MB, 16MB, 32MB, 64MB, 128MB
168-pin 3.3V SDRAM or EDO DIMM

8MB, 16MB, 32MB, 64MB, 128MB
168-pin 3.3V SDRAM or EDO DIMM

8MB, 16MB, 32MB, 64MB, 128MB
168-pin 3.3V SDRAM or EDO DIMM

Mudule

Quantity

x 1

x 1

x 1

x 1

18

4

4

FLASH UTILITY

This chapter briefly discusses Award Flash utility in order to guide you through updating
your old BIOS. The file name we use to program here is test.bin, and the file name to
save old BIOS is 631.OLD. Please note that those file names are not absolute. They are
only examples to let you have a more clear understanding of the updating process.

How to Begin

1. Please type “awdflash” and press the ENTER key to begin the updating process.

2. Once you enter, you will see a main menu displaying:

3. Move the cursor to “File Name to Program: “

4. Type the program name “test.bin”, and then press the ENTER key.

5. At the bottom of the menu, you will be requested to answer:

“Do You Want to Save BIOS (Y/N)? “

The following manual is intended to guide you through the process of both “No” and
“Yes” cases respectively.

If “No”

If you do not wish to save the old BIOS:

1. Please type “N”, and then press the ENTER key.

2. Then you will be requested to answer:

“Are You Sure to Program? “

3. Answer “N” if you do not want to program, and then it will exit.

19

If “Yes”

To save the old BIOS:

1. Please respond “Y”, and then press the ENTER key.

2. Move the cursor to “File Name to Save: “

3. Type file name “631.OLD”, and then press the ENTER key. (Your old BIOS will be
saved in the file name you create. In this case, the old BIOS is saved in the file
name, 631.OLD).

4. Then you will be requested to answer:

“Are You Sure to Program (Y/N)? “

20

5. Type “Y” to begin programming, and press the ENTER key.

6. When the programming is finished, the showing message will appear:

7. Once you see the showing message “Power Off or Reset System”, please restart your
system.

8. When you power on the computer again, you will find your old BIOS has already
been successfully updated.

To view a complete usage of FLASH utility, please type “awdflash /?” and press the
ENTER key.

Notes About Award Flash Utility

Please note that Award Flash Utility cannot run under EMM386 or QEMM. Thus,
when executing the command “awdflash”, an error message will appear:

“Error Message: Fail — Due to EMM386 or QEMM !”

5

5

BIOS SETUP

HOT-635 BIOS ROM has a built-in Setup program that allows users to modify the basic
system configuration. This information is stored in battery-backed RAM so that it
retains the Setup information when ever the power is turned off.

Entering Setup

Power on the computer and press <Del> immediately will allow you to enter Setup.
The other way to enter Setup is to power on the computer, when the below message
appear briefly at the bottom of the screen during the POST (Power On Self Test),
press <Del> key or simultaneously press <Ctrl>,<Alt>, and <Esc> keys.

TO ENTER SETUP BEFORE BOOT PRESS CTRL-ALT-ESC OR DEL KEY

If the message disappears before you respond and you still wish to enter Setup, restart
the system to try again by turning it OFF the ON or pressing the "RESET" button on
the system case. You may also restart by simultaneously press <Ctrl>,<Alt>, and
<Delete> keys. If you do not press the keys at the correct time and the system does
not boot, an error message will be displayed and you will again be asked to,

PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER SETUP

21

The Main Menu

Standard CMOS setup

This setup page includes all items in a standard compatible BIOS.

BIOS features setup

This setup page includes all items of Award special enhanced features.

22

Chipset features setup

This setup page includes all items of chipset features.

Power Management Setup

This setup page includes all items of Power Management features.

PnP/PCI Configuration setup

This item specifies the value (in units of PCI bus blocks) of the latency timer for the
PCI bus master and the IRQ level for PCI device. Power-on with BIOS defaults

Load BIOS Defaults

BIOS defaults loads the values required by the System for the maximum performance.
However, you can change the parameter through each Setup Menu.

Load Setup Defaults

Setup defaults loads the values required by the system for the O.K. performance.
However, you can change the parameter through each Setup Menu.

Integrated Peripherals

This setup page includes all items of peripheral features.

IDE HDD auto detection

Automatically configure IDE hard disk drive parameters.

Supervisor Password

Change, set, or disable supervisor password. It allows you to limit access to the system
and Setup, or just to Setup.

User Password

Change, set, or disable user password. It allows you to limit access to the system and
Setup, or just to Setup.

Save & Exit setup

Save CMOS value change to CMOS and exit setup

Exit without saving

Abandon all CMOS value changes and exit setup.

23

Standard CMOS Setup

Date

The date format is <day>, <month> <date> <year>. Press <F3> to show the calendar.

Time

The time format is <hour> <minute> <second>. The time is calculated base on the
24-hour military-time clock. For example. 5 p.m. is 17:00:00.

24

Hard Disks Type

This item identify the types of hard disk drives that has been installed in the computer.
There are 46 predefined types and a user definable type.

Press PgUp or PgDn to select a numbered hard disk type or type the number and press
<Enter>. Note that the specifications of your drive must match with the drive table.
The hard disk will not work properly if you enter improper information for this item.
If your hard disk drive type is not matched or listed, you can use Type User to define
your own drive type manually.

If you select Type User, related information is asked to be entered to the following
items. Enter the information directly from the keyboard and press <Enter>. Those
information should be provided in the documentation from your hard disk vendor or
the system manufacturer.

The user may also set those items to AUTO to auto configure hard disk drives param­eter when system power-on.

If a hard disk drive has not been installed select NONE and press <Enter>.

Drive A type/Drive B type

This item specifies the types of floppy disk drive A or drive B that has been installed
in the system.

Video

This item selects the type of adapter used for the primary system monitor that must
matches your video display card and monitor. Although secondary monitors are sup­ported, you do not have to select the type in Setup.

Error halt

This item determines if the system will stop, when an error is detected during power up.

Memory

This item is display-only. It is automatically detected by POST (Power On Self Test) of
the BIOS.

Base Memory

The POST of the BIOS will determine the amount of base (or conventional) memory
installed in the system. The value of the base memory is typically 512K for systems
with 512K memory installed on the mainboard, or 640K for systems with 640K or more
memory installed on the mainboard.

Extended Memory

The BIOS determines how much extended memory is present during the POST. This is
the amount of memory located above 1MB in the CPU's memory address map.

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BIOS Features Setup

Virus Warning

When this item is enabled, the Award BIOS will monitor the boot sector and partition
table of the hard disk drive for any attempt at modification. If an attempt it made, the
BIOS will halt the system and the following error message will appear. Afterwards, if
necessary, you will be able to run an anti-virus program to locate and remove the
problem before any damage is done.

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Disk boot sector is to be modified

!WARNING!

Type "Y" to accept write or "N" to abort write

Award Software, Inc.

CPU Internal/External Cache

This item enables CPU internal cache and external cache to speed up memory access.

Quick Power On Self Test

This item speeds up Power On Self Test (POST) after you power on the computer. If
it is set to Enabled, BIOS will shorten or skip some check items during POST.

Boot Sequence

This item determines which drive computer searches first for the disk operating
system. Default setting is A, C, SCSI.
BIOS also support system boot from CD-ROM drive or SCSI hard disk drive.

Swap Floppy Drive

When this item enables, the BIOS will swap floppy drive assignments so that Drive
A: will function as Drive B: and Drive B: as Drive A:.

Boot Up Floppy Seek

During POST, BIOS will determine if the floppy disk drive installed is 40 or 80 tracks.

Boot Up NumLock Status

When this option enables, BIOS turns on Num Lock when system is powered on.

Boot Up System Speed

This option sets the speed of the CPU at system boot time. The settings are High or Low.

Typematic Rate Setting

This determines if the typematic rate is to be used. when disabled, continually holding
down a key on your keyboard will generate only one instance. In other words, the BIOS
will only report that the key is down. When the typematic rate is enabled, the BIOS will
report as before, but it will then wait a moment, and, if the key is still down, it will begin
the report that the key has been depressed repeatedly. For example, you would use such a
feature to accelerate cursor movements with the arrow keys.

Typematic Rate (Chars/Sec)

When the typematic rate is enabled, this selection allows you select the rate at which the
keys are accelerated.

Typematic Delay (Msec)

When the typematic rate is enabled, this selection allows you to select the delay between
when the key was first depressed and when the acceleration begins

Security Option

This item allows you to limit access to the System and Setup, or just to Setup.
When System is selected, the System will not boot and access to Setup will be denied if
the correct password is not entered at the prompt.
When Setup is selected, the System will boot, but access to Setup will be denied if the
correct password is not entered at the prompt.

PCI VGA Palette Snoop

This item must be set to enabled if there is a MPEG ISA card installed in the system, and
disabled if there is no MPEG ISA card installed in the system.

OS Select For DRAM > 64MB

This item allows you to access the memory that over 64 MB in OS/2.

Video BIOS Shadow

Determines whether video BIOS will be copied to RAM. However, it is optional depend­ing on chipset design. Video Shadow will increase the video speed.

C8000-CBFFF Shadow/DC000-DFFFF Shadow

These categories determine whether option ROMs will be copied to RAM. An example of
such option ROM would be support of on-board SCSI.

27

Chipset Features Setup

Auto Configuration

The default setting of the optimal timings for items 3 through 7 for 60ns EDO DRAM
modules.

DRAM Speed Selection

This item set the EDO DRAM Read/Write timings that the system uses. When item of
"Auto Configuration" is disabled, this item will not show up.

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MA Additional Wait State

When enabled, one additional wait state is inserted before the assertion of the first
memory address line MA and CAS/RAS assertion during DRAM read or write leadoff
cycles.

EDO RAS To CAS# Delay

When EDO DRAM is refreshed, both rows and columns are address separately. This
setup item allows you to determine the timing of the transition from Row Address Strobe
(RAS) to Column Address Strobe (CAS). The options are 3 and 2.

EDO RAS# Precharge Time

DRAM must continually be refreshed or it will lose its data. Normally, DRAM is
refreshed entirely as the result of a single request. This option allows you to determine
the number of CPU clocks allocated for Row Address Strobe to accumulate its charge
before the DRAM is refreshed. If insufficient time is allowed, refresh may be incomplete
and data lost.

This item sets the DRAM RAS Precharge Timing. The options are 4 and 3 CLKs.

EDO DRAM Read Burst )

This item set the EDO DRAM Read Burst Timing. The timing used depends on the type
of DRAM (EDO burst mode or standard fast page mode) on a per-bank basis. The options
are 222 and 333.

DRAM Write Burst

This item set the EDO DRAM Write Burst timing for accessing DRAM. The options are
222 and 333.

DRAM Data Integrity Mode

This item allows the user to set DRAM data integrity mode to Non-ECC or ECC. Non­ECC has byte-wide write capability but no provision for protecting data integrity in the
DRAM array. ECC allows a detection of single-bit and multiple-bit errors and recovery of
single-bit errors.

CPU-To-PCI IDE Posting

When disabled, the CPU to PCI IDE posting cycles are treated as normal I/O write
transactions. When enabled will have the I/O write cycles posted.

System BIOS Cacheable

This item allows the user to set whether the system BIOS F000~FFFF areas are cacheable
or non-cacheable.

Video BIOS Cacheable

This item allows the user to set whether the video BIOS C000~C7FF areas are cacheable
or non-cacheable.

Video RAM Cacheable

This is a new cache technology for the video memory of the processor. It can greatly
improve the display speed by caching the display data. You must leave this on the default
setting of Disabled if your display card cannot support this feature or else your system
may not boot.

8 Bit I/O Recovery Time

The recovery time is the length of time, measured in CPU clocks, which the system will
delay after the completion of an input/output request. This delay takes place because the
CPU is operating so much after than the input/output bus that the CPU must be 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. Choices are
from NA, 1 to 4 CPU clocks.

Memory Hole At 15M-16M

In order to improve performance, certain space in memory can be reserved for ISA cards.
This memory must be mapped into the memory space below 16 MB.

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Passive Release

When enabled, the chipset provides a programmable passive release mechanism to
meet the required ISA master latencies.

Delayed Transaction

Since the 2.1 revision of the PCI specification requires much tighter controls on target
and master latency. PCI cycles to or from ISA typically take longer. When enabled,
the chipset provides a programmable delayed completion mechanism to meet the
required target latencies.

AGP Aperture Size (MB)

This item allows the user to set memory-mapped, graphics data structures can reside in
Graphics Aperture.

SDRAM RAS-to-CAS Delay

When SDRAM is refreshed, both rows and columns are address separately. This setup
item allows you to determine the timing of the transition from Row Address Strobe
(RAS) to Column Address Strobe (CAS). The options are Slow for 3 and Fast for 2
CLKs.

SDRAM RAS Precharge Time

SDRAM must continually be refreshed or it will lose its data. Normally, DRAM is
refreshed entirely as the result of a single request. This option allows you to deter­mine the number of CPU clocks allocated for Row Address Strobe to accumulate its
charge before the DRAM is refreshed. If insufficient time is allowed, refresh may be
incomplete and data lost. The options are Slow for 3 and Fast for 2 CLKs.

30

SDRAM CAS Latency Time

This item defines the CAS Latency timing parameter of the SDRAM expressed in
66MHz clocks. The options are 2 and 3 CLKs.

Spread Spectrum Modulated

This item allows the user to enable Spread Spectrum Modulated to reduce the EMI.

Listed categories below will not show up if your HOT-631 without optional
advanced features.

CPU Warning Temperature

Since the mainboard support CPU temperature monitoring and overhear alert. This
item allows the user to set the threshold of CPU warning temperature. When CPU
temperature over the threshold, system will slow down clock to prevent CPU damage.

Current CPU Temperature

Since the mainboard support CPU temperature monitoring and overheat alert. This
item indicate the current CPU temperature.

Current System Temperature

Since the mainboard support System temperature monitoring and overheat alert. This
item indicate the current main board temperature.

Current CPUFAN1/2 Speed

The mainboard can detect two fans rotation speed for CPU cooler and system.
CPUFAN1 indicate the CPU cooling fan's rotation speed which inserting on JP28 and
CPUFAN2 indicate cooling fans rotation speed which inserting on JP29.

IN0(V) ~ IN6(V)

The mainboard support CPU and mainboard voltages monitoring. The onboard hardware
monitor is able to detect the voltages output of the voltage regulators and power supply.

31

Power Management Setup

Power Management

This item determines the options of the power management function. Max Saving puts the
system into power saving mode after a brief period of system inactivity; Min Saving is
the same as Max Saving except the time of the system inactivity period is longer; Dis-
abled disables the power saving feature; User Defined allows you to set power saving
options according to your preference.

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PM Control by APM

If this item set to No, system BIOS will be ignored and APM calls the power to manage
the system.
If this item setup to Yes, system BIOS will wait for APM's prompt before it enter any PM
mode e.g. DOZE, STANDBY or SUSPEND.

Video Off Method

This item define the video off features - V/H SYNC+Blank, DPMS, and Blank Only. The
first option, which is the default setting, blanks the screen and turns off vertical and
horizontal scanning; DPMS allows the BIOS to control the video display card if it
supports the DPMS feature; Blank Screen only blanks the screen.

Doze Mode

When enabled and after the set time of system inactivity, the CPU clock will run at
slower speed while all other devices still operate at full speed.

Standby Mode

When enabled and after the set time of system inactivity, the fixed disk drive and the
video would be shut off while all other devices still operate at full speed.

Suspend Mode

When enabled and after the set time of system inactivity, all devices except the CPU
will be shut off.

HDD Power Down

This item defines the continuous HDD idle time before the HDD enters power saving
mode (motor off). The options are from 1 min to 15 min and Disabled.

Throttle Duty Cycle

This item determines the duty cycle for the clock control thermal throttling mode. The
duty cycle indicates the percentage of time while in the thermal throttle mode. The
settings between 12.5% and 87.5%.

VGA Active Monitor

If this item is set to Enabled, the VGA activity event will be monitored to reload
global timer.

Soft-Off by PWR-BTTN

(This feature is available for ATX power only)

The setting of Instant-Off allows the ATX switch to function as a normal system
power off button when pressed for less than 4 seconds. The setting of Delay 4 Sec.
allows the button to have a dual function where to press the button for less than 4
seconds will place the system in suspend mode, and pressing the button for more than
4 seconds will shut place the system off.

CPU FAN Off In Suspend

This item determine CPU fan status when the system enters suspend mode. The
options Enabled and Disabled.

Resume by Ring

This item determine the system will resume by activating of modem ring.

Resume by Alarm

(This feature is available for ATX power only)

This item determine the system will resume by activity of R.T.C. If enabled this
feature and enter resume date and time. When date and time expire, system will
power-on itself from power off.

IRQ 8 Clock Event

You can turn On or Off monitoring of IRQ8 (the Real Time Clock) so it does not
awaken the system from Suspend mode.

** Reload Global Timer Events **

If any of these items is set to Disabled, that system activity event will not be moni­tored to reload global timer.

If these items is set to Enabled, that system activity event will be monitored to reload
global timer.

These items include IRQ[3-7, 9-15], NMI, Primary IDE0/1, Secondary IDE 0/1,
Floppy Disk, Serial Port and Parallel Port.

33

PCI Configuration Setup

PNP OS Installed

When this item is set to Yes, it will allow the PnP OS(Windows 95) control the system
resources except PCI devices and PnP boot devices.
Default setting is No.

34

Resources Controlled By

The Award Plug and Play BIOS has the capability to automatically configure all of the
boot and Plug and Play compatible devices. However, this capability means absolutely
nothing unless you are using a Plug and Play operating system as Windows 95.

Reset Configuration Data

This item allows you to determine whether to reset the configuration data or not.

IRQ 3/4/5/7/9/10/11/12/14/15, assigned to

These items allow you to determine the IRQ assigned to the ISA bus and is not available
for PCI slot.

Choices are Legacy ISA and PCI/ISA PnP.

DMA 0/1/3/5/6/7 assigned to

These items allow you to determine the DMA assigned to the ISA bus and is not available
for PCI slot.

Choices are Legacy ISA and PCI/ISA PnP.

PCI IRQ Activated by

This item sets the method by which the PCI bus recognize that an IRQ service is being
requested by a device. You should never change the default configuration unless advised
otherwise by your System's manufacturer. Choices are Level(default) and Edge.

PCI IDE IRQ Map to

This items allows you to configure your system to the type of IDE disk controller in use.
By default, Setup assumes that your controller is an ISA device rather than a PCI control­ler.

If you have equipped your system with a PCI controller, changing this allows you to
specify which slot has the controller and which PCI interrupt (A, B, C or D) is associated
with the connected hard drives.

Remember that this setting refers to the hard disk drive itself, rather than individual
partitions. Since each IDE controller supports two separate hard disk drives, you can
select the INT# for each. Again, you will note that the primary has a lower interrupt than
the secondary as described in "Slot x Using INT#" above.

Selecting "PCI Auto" allows the system to automatically determine how your IDE disk
system is configured.

35

Integrated Peripherals

IDE HDD Block Mode

This item is used to set IDE HDD Block Mode. If your IDE Hard Disk supports block
mode, then you can enable this function to speed up the HDD access time. If not, please
disable this function to avoid HDD access error.

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IDE Primary Master PIO

In this items, there are five modes defined in manual mode and one automatic mode.
There are 0, 1, 2, 3, 4, and AUTO is the default settings for on board Primary Master PIO
timing.

IDE Primary Slave PIO

In this items, there are five modes defined in manual mode and one automatic mode.
There are 0, 1, 2, 3, 4, and AUTO is the default settings for on board Primary Slave PIO
timing.

IDE Secondary Master PIO

In this items, there are five modes defined in manual mode and one automatic mode.
There are 0, 1, 2, 3, 4, and AUTO is the default settings for on board Secondary Master
PIO timing.

IDE Secondary Slave PIO

In this items, there are five modes defined in manual mode and one automatic mode.
There are 0, 1, 2, 3, 4, and AUTO is the default settings for on board Secondary Slave PIO
timing.

On-Chip Primary PCI IDE

As stated above, your system includes two built-in IDE controllers, both of which operate
on the PCI bus. This setup item allows you either to enable or disable the primary control­ler. You might choose to disable the controller if you were to add a higher performance or
specialized controller.

On-Chip Secondary PCI IDE

As above for the Primary controller, this setup item you either to enable or disable the
secondary controller. You might choose to disable the controller if you were to add a
higher performance or specialized controller

Onboard PCI SCSI Chip

This items allows you to set your onboard Adaptec PCI SCSI adapter in use or not. By
default, this item set to enable.

USB Keyboard Support

This item to set whether to support USB keyboard or not.

Keyboard Input Clock

This item to set the input clock to onboard keyboard controller. The options are 8MHz
and 12MHz.

Onboard FDC Control

This item specifies onboard floppy disk drive controller. This setting allows you to
connect your floppy disk drives to the onboard floppy connector. Choose the "Disabled"
settings if you have a separate control card.

Onboard Serial 1

This item is used to define onboard serial port 1 to 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/
IRQ3, Auto or Disabled.

Onboard Serial 2

This item is used to define onboard serial port 2 to 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/
IRQ3, Auto or Disabled.

UR2 Mode

The main board support IrDA(HPSIR) and Amplitudes Shift Keyed IR(ASKIR) infrared
through COM 2 port. This item specifies onboard Infra Red mode to IrDA 1.0, ASKIR,
MIR 0.57M, MIR 1.15M, FIR or Standard (Disabled).
Note : FIR is not available currently.

IR Duplex Mode

This item specifies onboard infrared transfer mode to full-duplex or half-duplex. This item
will not show up when IrDA, ASKIR, or MIR UR2 modes are selected.

Onboard Parallel Port

This item specifies onboard parallel port address to 378H, 278H, 3BCH or Disabled.

37

Parallel Port Mode

This item specifies onboard parallel port mode. The options are SPP (Standard Parallel
Port), EPP(Enhanced Parallel Port), ECP (Extended Capabilities Port), and EPP+ECP.

ECP Mode Use DMA

This item specifies DMA (Direct Memory Access) channel when ECP device is in use.
The options are DMA 1 and DMA 3. This item will not show up when SPP and EPP
printer mode is selected.

38

Password Setting

This section describes the two access modes that can be set using the options found on the
Supervisor Password and User Password.

Supervisor Password and User Password

The options on the Password screen menu make it possible to restrict access to the Setup
program by enabling you to set passwords for two different access modes: Supervisor mode
and User mode.

In general, Supervisor mode has full access to the Setup options, whereas User mode has
restricted access to the options. By setting separate Supervisor and User password, a system
supervisor can limit who can change critical Setup values.

Enter Password

Type the password, up to eight characters, and press <Enter>. The password typed now will
clear any previously entered password from CMOS memory. You will be asked to confirm
the password. Type the password again and press <Enter>. You may also press <Esc> to
abort the selection and not enter a password.

To disable password, just press <Enter> when you are prompted to enter password. A
message will confirm the password being disabled. Once the password is disabled, the
system will boot and you can enter Setup freely.

Password Disable

If you select System at Security Option of BIOS Features Setup Menu, you will be
prompted for the password every time the system is rebooted or any time you try to enter
Setup. If you select Setup at Security Option of BIOS Features Setup Menu, you will be
prompted only when you try to enter Setup.

Warning : Retain a record of your password in a safe place. If you forget the password, the
only way to access the system is to clear CMOS memory, please refer to "Clear CMOS" or
"Clear Password" section.

39

HOT-635

Pentium™ II processor
Based AGP/SCSI MAIN BOARD

User's Manual

40