Shuttle HOT-641/P HOT-641/P User Manual

HOT-641/P

Pentium™ II processor
Based AGP MAIN BOARD

User's 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-641/P.................................................................................................................6

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

The Pentium II & Celeron Processor ................................................................................................. 8

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

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

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

Celeron Processor S.E.P.P only RM Assembly Procedure............................................................. 12

What does Celeron Processor RM consist of ..................................................................................13

Install Celeron Processor.................................................................................................................. 14

CPU External Clock (System Clock) setting................................................................................... 14

Jumpers.............................................................................................................................................. 15

CPU Multiplier and System Frequency Setting - JP11 ~ JP14 & J201..........................................15

Clear CMOS - JP6 ............................................................................................................................17

Flash EEPROM Vpp - JP9 ............................................................................................................... 17

Connectors & Sockets ...................................................................................................................... 18

CHAPTER 3 MEMORY CONFIGURATION .........................................................................21

TABLE OF CONTENTS

CHAPTER 4 FLASH UTILITY ........................................................................................22

CHAPTER 5 AWARD BIOS S ETUP ..............................................................................24

The Main Menu.................................................................................................................................25

Standard CMOS Setup......................................................................................................................27

BIOS Features Setup.........................................................................................................................29

Chipset Features Setup .....................................................................................................................32

Power Management Setup................................................................................................................ 35

PCI Configuration Setup ..................................................................................................................38

Integrated Peripherals....................................................................................................................... 40

Password Setting............................................................................................................................... 43

2

P

P

PREFACE

HOT-641/P is a highly integrated IBM PC/AT compatible system board designed to
meet the industry's most demanding desktop applications.

Based on the Intel 82440BX AGPset chipset which support up to 500MHz Pentium
processor with MMX technology.

On board four 168-pin DIMM socket support up to 1GB SDRAM.
HOT-641/P is equipped with an Accelerated Graphics Port(A.G.P.), a high-performance

interconnect for graphic-intensive application, such as 3D applications. The A.G.P. is
independent of the PCI bus and is designed to exclusively use with graphical-display
devices. The HOT-641/P supports 3.3 V A.G.P. devices with data transfer rates up to
133 MHz, allowing data throughput of 500 MB/sec.

The Intel's 82440BX AGPset chipset provides an integrated Bus Mastering IDE control­ler with two high performance IDE interfaces which allows up to four IDE devices
connection and up to 33 MB/sec of data transfer rates.

The on-board Giga I/O controller provides standard PC I/O functions:
floppy drive interface, two FIFO serial ports, an InDA device port and a SPP/EPP/ECP

capable parallel port.
HOT-641/P is built with four PCI local bus slots providing a high bandwidth data path

for data-movement intensive functions such as graphics, and with three ISA slots.
HOT-641/P provides the foundation for cost effective, high performance and highly

expandable platforms, which delivers the latest in the Intel PentiumTM II processor and
new advanced chipset technology.

TM

II

3

1

1

The HOT-641/P 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 440BX AGPset with I/O subsystems.

CPU Support:

Intel Pentium II processor 233/66 ~ 333/66 MHz and 350/100 ~ 500/100 MHz.
Celeron processor 266 ~ 333 MHz.

Versatile Memory Supports:

Equipped with four DIMM sockets support 168-pin 3.3V SDRAM memory modules, total
memory size up to 1GB.
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.

SPECFICATION

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 20-pin ATX Power Supply:

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

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.

4

Board Size:

ATX form factor 305mm x 220mm.

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.

"Advanced Configuration and Power Interface" Ready for PC'97.
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.

Wake-ON-LAN -- The system will power-on automatically by activating of LAN.
(This function support Intel LAN card only).

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

More Advanced Features (HOT-641/PP):

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.

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

5

ACCESSORIES OF HOT-641/P

Figure 1-1

6

2

2

The Pentium™ II & Celeron™ Processor

HARDWARE CONFIGURATION

The Pentium II and Celeron 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, full­motion video. The combination of these advanced technologies makes the Pentium II
processor the ideal choice foe executing modem 32-bit compute-intensive and multimedia­enhanced application work loads using advanced 32-bit operating systems.

The Pentium II and Celeron processor both have a separate, 32KB, on-chip, non-blocking L1
cache which run at the processor frequency, Pentium II processor also has 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.

The Celeron processor using Single Edge Processor Package. ( S.E.P.P.)
Figure 2-1 shows the front, rear and top views of Pentium II processor (without heat sink

mounted).
Figure 2-2 shows the primary and non-primary side of Celeron processor without heat sink

mounted and with heat sink mounted.

Figure 2-1

Figure 2-2

7

What does the RM (Retention Mechanism) consist of

Pentium II processor requires the Retention Mechanism (RM) and optional Heat Sink
Support (HSS) to hold the base processor in the S.E.C. cartridge.

Following installation procedure will display how to install these mechanism.
Retention Mechanism package consists of 2 separate parts and optional Heat Sink Support
consists of 3 separate parts.

Normally, depend on the type of heat sink, Heat Sink Support is not always available. For
some heat sink attached on pentium II processor might not fit to install Heat Sink Support
which introduced on this manual. So, the procedure of Heat Sink Support installation just
your reference only.

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)

RM Attach Pin (RMAP) ­Plastic pins inserted through the RM to secure
it to the mainboard (four required per Assembly).
(Refer to Figure 2-1-2)

Figure 2-1-1

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 2-1-3

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-641/P main board.
(Refer to Figure 2-8)

2. Insert the Retention Mechanism (RM)
around the Slot 1. Be sure the Square Cut
Mark of RM have the same orientation of
Slot 1 pin 1.(Refer to Figure 2-9)

3. Insert four RM Attach Pin through the RM
to secure it to the mainboard (four required
per Assembly). (Refer to Figure 2-9)

Figure 2-9

Figure 2-8

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 2-10), 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 2-11 shows the OEM type Pentium II processor with active heat sink.

Figure 2-10

1. Finds out the Heat Sink Support (HSS)
Mounting Holes on HOT-641/P main
board. Notice that one hole is larger than
the other hole. (Refer to Figure 2-8)

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 2-12)

3. Insert the Heat Sink Pins (HSSPIN)
through the HSSBASE to secure it to the
mainboard. (Refer to Figure 2-12)

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 2-13)

Figure 2-11

Figure 2-12

10

Figure 2-13

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 2-14

11

Celeron™ Processor S.E.P.P. Only Retention Mechanism Assembly
Procedures

These procedures have been included to help assemble the S.E.P.P. (Single
Edge Processor Package) only Retention Mechanism.

Please follow them exactly:

Required Components

SEPP (Figure 2-15)
Heatsink (Figure 2-16)
Heatsink Retention Clip (Figure 2-17)

Primary Side

Figure 2-15

Figure 2-16

Procedures

Assemble all parts on a static free bench using
proper operator grounding and an ESD mat.
Carefully insert all four heatsink clip legs into
SEPP. (Figure 2-18)

Clip base must be located on the non-primary
side.(Figure 2-19) FYI - The side of the clip
plate which touches the substrate is covered
with a mylar insulator. This insulator prevents
the clip from shorting lines on the substrate.

Before you fully engage two legs of the clip into
the heatsink (Figure 2-20), make sure you
remove the blue film covering the thermal
interface. The blue film protects the thermal
interface from damage during shipping.

Grasp the heatsink clip assembly between the
clip base and the heatsink. Do not bend or
apply pressure directly to SEPP.

Using a nonmetallic stock or screw driver, push
the remaining two clip legs into the heatsink.

Figure 2-17

Non-primary Side

Figure 2-18

Non-primary Side

Figure 2-19

Primary Side

Figure 2-20

Caution: Take care not to contact passively or
scratch SEPP when using screw driver or bar
stock.

Verify that all the feet on the clip are fully
engaged and seated on the heatsink.
(Figure 2-21)

12

Figure 2-21

What does the Celeron™ Processor RM consist of

Celeron™ Processor requires the Retention Mechanism (RM) to hold the base processor in the
S.E.P.P.

Following installation procedure will display how to install these mechanism. Please consult to
your supplier for the mechanism.
Retention Mechanism package consists of 2 sets separate parts.
Each set consists of one RM, two Posts and two lock pins.

Retention Mechanism (RM) ­Two Plastic Guides that hold the
S.E.P.P in the Slot 1 connector.
(Refer to Figure 2-22)

Post Pins ­Four Post pins are push into the RM's holes
to fix RM on the PCB.

Lock Pins ­Four Lock pins are push into the Post holes
to lock up RM on the PCB.

Figure 2-22

Install the Celeron™ Processor RM

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).

1. Finds out the Retention Mechanism (RM) Mount­ing Holes of Slot 1 on HOT-641/P main board.
(Refer to Figure 2-23)

2. Insert two Retention Mechanism (RM) face to face
on opposite side of the Slot 1.(Refer to Figure 2-23)

3. Insert four Post Pin through the RM to fix it to the
mainboard. (Refer to Figure 2-23)

4. Insert four Lock Pin through the Post Pin to lock
RM to the mainboard.(Refer to Figure 2-23)

Figure 2-23

13

Install Celeron™ Processor

Hold the processor so that the Heatsink is facing toward the DIMM sockets on the mainboard.
Slide the processor into the Retention Mechanism. Push the processor down firmly, with even
pressure on both sides of the top, until it is seated. (Refer to Figure 2-24 and Figure 2-25)

14

Figure 2-25Figure 2-24

CPU External Clock (System Clock) Setting

HOT-641/P support System Clock (CPU External Clock) adjust from 66MHz to 112MHz.
System Clock 66, 68, 75, 83 MHz (for 66MHz based Pentium II/Celeron Processor) and 100,
103, 112 MHz (for 100MHz based Pentium II processor) configure on BIOS "Chipset Features

Setup".

Note: 1. For 66MHz based Pentium II/Celeron processors, 68, 75 and 83

MHz are for over-clock usage, it is not a recommended general practice.

2. For 100MHz based Pentium II processors, 103, 112 MHz is for over-clock
usage, it is not a recommended general practice.

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.

Jumpers with three pins will be shown as for Pin 1-2 Close (On) and for Pin 2-3
Close (On). To connect the pins, simply place a plastic jumper cap over the two pins.

CPU Multiplier and System Frequency Setting - JP11 ~ JP14 and J201

HOT-641/P mainboard provides Jumpers JP11, JP12, JP13 and JP14 to figure the CPU core
clock multiplier. By inserting mini jumpers on these jumpers, the user can figure the Host Bus
Clock/CPU Core Clock ratio (multiplier) from 2.5X to 5X.

Figure 2-26 shows the position of JP11, JP12, JP13, JP14 and J201 on the mainboard.

Figure 2-26

15

CPU Configuration Table (Table 2-1) shows the Pentium II 233/66MHz ~ 333/66MHz and 350/
100MHz ~ 500/100MHz, and Celeron processor 233MHz ~ 333MHz quick setting.

Table 2-2 shows hardware setup for system frequency. When J201 is open, the system frequency
will be set to 66MHz based clock (66~83MHz selectable) or 100MHz based clock (100~112MHz
selectable) depend on processor type. When J201 is closed, only 66MHz based clock available.

Multiplier Table (Table 2-2-1) shows all of the multipliers that the mainboard can support.

CPU Configuration Table

Pentium II

/Celeron

Processor

233 M Hz 66 MHz 3.5 x 350 M Hz 100 M Hz 3.5 x
266 M Hz 66 MHz 4 x 400 M Hz 100 M Hz 4 x
300 M Hz 66 MHz 4.5 x 450 M Hz 100 M Hz 4.5 x
333 M Hz 66 MHz 5 x 500 M Hz 100 M Hz 5 x

Multiplier Table

Multiplier

System

Clock

JP11/JP12/

Multiplier

Pentium II

Processor

System

Clock

Hardware Setup for System Frequency

System Frequency J201

JP13/JP14

Force system frequency
down to 66* MHz based

2.5 x

System auto-detect 66* or
100** MHz based

3 x

3.5 x

processor (default)

* System provides 66, 68, 75 and 83 MHz for 66MHz
based Pentium II/Celeron Processor.
** System provides 100, 103, 112 MHz for 100MHz based
Pentium II processor.

Multiplier

Table 2-1

Table 2-2

16

4 x

4.5 x

5 x

Table 2-2-1

Clear CMOS - JP6

HOT-641/P mainboard supports jumper JP6 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 mini jumper from JP6 pin 1-2,

3) Insert mini jumper to JP6 pin 2-3 for a brief while,

4) Remove mini jumper from JP6 in 2-3,

5) Reinsert mini jumper to JP6 pin 1-2,

6) Turn on the PC.

Flash EEPROM Vpp - JP9

HOT-641/P mainboard supports
two types of Flash EEPROM: 5
volt and 12 volt. By setting up
jumper JP9, the main board can
use both 5V or 12V flash
EEPROM with new system BIOS
files as they come available.

JP9 Pin 2-3 Close
for 5V Flash EEPROM

JP9 Pin 1-2 Close
for 12V Flash EEPROM

Factory Reserved Jumpers

Factory Reserved

JP10 1 - 2 Close

JP9 2 - 3 Close

J40 2 - 3 Close

Figure 2-27

17

Connectors

Front Panel Connectors

Hardware Reset Connector

- J29

Attach 2-pin hardware reset switch to it.
Closing the reset switch restarts the
system.

Power LED Connector - J25

Power LED (CHS LED) connector is a
3-pin connector for attached to the case's
Power LED. Pin 1 and 3 are for power
LED and pin 2 is empty.

Speaker Connector - J27

PC speaker connector may attach a 4-pin PC speaker cable from the case to this connector.

Figure 2-28

HDD LED Connector - J28

Attach a 4-pin IDE drive LED cable to this connector. The LED lights when an IDE device is active.

ATX Power On/Off Switch Connector - JP15(PWR_ON)

Attach a 2-pin momentary type switch to this connector for turning on or off your ATX power supply.

18

Back Panel Connectors

COM1/COM2 Connectors

Figure 2-29

Attach COM1/COM2 device cables to these connectors.

PS/2 Keyboard & PS/2 Mouse Connector

Two 6-pin female PS/2 keyboard & Mouse Connectors is located at the rear of the main board.
PS/2 Mouse on top of connector and PS/2 Keyboard on the bottom of connector. Plug the PS/2
keyboard and mouse jack into this connector.

Parallel Port Connector

A 25-pin female connector is located at the rear of the main board. Plug the parallel port device
cable into this connector.

USB1/USB2 Port Connectors

Two female connectors are located at the rear of the board. Plug
the USB devices jack into this connector.

Other Connectors

ATX Power Supply Connector - J30

It is a twenty-pin male header connector. Plug the connector from
the power directly onto the board connector while making sure the
pin 1 is in its position. The main board requires a power supply
with at least 200 watts and power good signal.

IR Connector - JP22

Infrared device connector may attach a 5-pin infrared
device cable to this connector for enabling the infrared
transfer function. This mainboard meets the specification
of ASKIR and HPSIR. Figure 2-31shows JP22's
pin assignment and Figure 2-33 show JP22 location.

Figure 2-30

Figure 2-31

19

CPU & AGP cooling Fan
connectors - J26 & FAN3

The main board provides two onboard 12V
cooling fan power connectors for CPU (J26)
and AGP device cooling fan (FAN3). 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 (GND)

Wake-On-LAN Connector - J39

Attach a 3-pin connector from the LAN card
which supports the Wake-On-LAN (WOL)
function. This function lets users wake up the
connected system through the LAN card.

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.

Figure 2-32

20

Figure 2-33

3

3

MEMORY CONFIGURATION

The HOT-641/P mainboard provides four 168-pin DIMM sockets that make it possible to
install from 8MB up to 1GB of 66 or 100MHz SDRAM. The DIMM socket support
8MB, 16MB, 32MB, 64MB, 128MB and 256MB 3.3V single- or double-side SDRAM
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-641/P 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 HOT­641/P 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

Table 3-1

Memory Modules

8MB, 16MB, 32MB, 64MB, 128MB, 256MB
168-pin 3.3V 66 or 100MHz PC SDRAM DIMM

8MB, 16MB, 32MB, 64MB, 128MB, 256MB
168-pin 3.3V 66 or 100MHz PC SDRAM DIMM

8MB, 16MB, 32MB, 64MB, 128MB, 256MB
168-pin 3.3V 66 or 100MHz PC SDRAM DIMM

8MB, 16MB, 32MB, 64MB, 128MB, 256MB
168-pin 3.3V 66 or 100MHz PC SDRAM DIMM

Mudule

Quantity

x 1

x 1

x 1

x 1

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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 641.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)? “

22

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.

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 “641.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, 641.OLD).

4. Then you will be requested to answer:

“Are You Sure to Program (Y/N)? “

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 !”

23

5

5

BIOS SETUP

HOT-641/P 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.

“Press DEL to enter SETUP”

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, DEL To Enter Setup”

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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.

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.

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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.

IDE HDD auto detection

Automatically configure IDE hard disk drive parameters.

Save & Exit setup

Save CMOS value change to CMOS and exit setup

Exit without saving

Abandon all CMOS value changes and exit setup.

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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.

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.

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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.

Disk boot sector is to be modified

!WARNING!

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

Award Software, Inc.

CPU Internal Cache

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

External Cache

This item enables CPU secondary 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.

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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 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.

Gate A20 Option

This entry allows you to select how the gate A20 is handled. The gate A20 is a device
used to address memory above 1 MByte. Initially, the gate A20 was handled via a pin on
the keyboard. Today, while keyboards still provide this support, it is more common, and
much faster, set to Fast for the system chipset to provide support for gate A20.

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.

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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 SCSI Add-on card.

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Chipset Features Setup

Auto Configuration

Auto Configuration selects predetermined optimal values of chipset parameters. When
Disabled, chipset parameters revert to setup information stored in CMOS. Many fields in
this screen are not available when Auto Configuration is Enabled.
The Choices: Enabled, Disabled.

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DRAM Speed Selection

The DRAM timing is controlled by the DRAM Timing Registers. The timings pro­grammed into this register are dependent on the system design. Slower rates may be
required in certain system designs to support loose layouts or slower memory.
The Choices: 50ns, 60ns.

EDO CASx# MA Wait State

You could select the timing control type of EDO DRAM CAS MA (memory address
bus). The Choices: 1, 2.

EDO RASx# Wait State

You could select the timing control type of EDO DRAM RAS MA (memory address
bus). The Choices: 1, 2.

SDRAM CAS latency Time

You could select CAS latency time in HCLKs of 2/2 or 3/3. The system board designer
should set the values in this field, depending on the DRAM installed. Do no change the
values in this field unless you change specifications of the installed DRAM or the in­stalled CPU.
The Choices: 2, 3.

DRAM Data Integrity Mode

Select Parity or ECC (Error-Correcting Code), according to the type of installed DRAM.
The Choices: Non-ECC, ECC.

System BIOS Cacheable

Select Enabled allows caching of the system BIOS ROM at F000h-FFFFFh, resulting in
better system performance. However, if any program writes to this memory area, a
system error may result.
The Choice: Enabled, Disabled.

Video BIOS Cacheable

Select Enabled allows caching of the video BIOS ROM at C000h-F7FFFh, resulting in
better video performance. However, if any program writes to this memory area, a system
error may result.
The Choice: Enabled, Disabled.

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.

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.

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AGP Aperture Size (MB)

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

Auto Detect DIMM/PCI Clock

Enabling this item allows system auto detect and close clock signal to empty DIMM/PCI
slot to reduce EMI.

Spread Spectrum Modulated

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

CPU Clock Frequency

The mainboard support CPU External Clock (System Frequency) setting by BIOS.
The Choices: 66MHz, 68MHz, 75MHz, 83MHz for 66MHz based processor and 100MHz,
103MHz, 112MHz for 100MHz based processor.

CPU Warning Temperature (HOT-641/P)

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 System Temperature ( HOT-641/P)

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

Current CPU1 Temperature (HOT-641/P)

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

Current CPUFAN1/2 Speed (HOT-641/P)

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 J26.

IN0(V) ~ IN2(V), +5V, -5V, +12V, -12V (HOT-641/P)

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.

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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.

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 After

This item define when to activate the video off feature for monitor power management.
The settings are N/A, Doze, Standby and Suspend.

MODEM Use IRQ

This item determines the IRQ in which the MODEM can use.
The choice: 1, 3, 4, 5, 7, 9, 10, 11, N/A.

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.

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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%.

ZZ Active in Suspend

When this item enabled, the ZZ signal is active during Suspend mode.
The choices: Enabled, Disabled.

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.

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CPUFAN 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 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 Break Suspend

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.

Resume by LAN (Wake-ON-LAN)

This item determine the system will resume by activity of LAN. If enabled this feature
system will power-on itself from power off when the activity of LAN.

Note : HOT-641/P support Wake-ON-LAN function with Intel LAN card only.

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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.

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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 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.

Used MEM base addr

This item is used to select a base address for the memory area used by any peripheral that
requires high memory.
The choices are C800, CC00, D000, D400, D800, DC00 and N/A.

Used MEM Length

This item is used to select a length for the memory area specified in the previous field.
This field does not appear if no base address is specified.
The choices are 8K, 16K, 32K and 64K.

Assign IRQ for USB

This item allows the user to assign IRQ to on-board USB controller or not.
Since on-board controller is enabled always, if none of IRQ is assigned to it, there will be
a question mark report on system device under windows 95.

MS IRQ Routing Table

This item allows the user to set BIOS IRQ Routing Table Enabled or Disabled.

PCI Latency Timer

The number of clocks programed in the PCI Latency Timer represents the guaranteed
time slice allocated to the 440LX, after which it must complete the current data transfer
phase and surrender the bus as soon as its bus grant is removed.

The PCI Latency Timer is used to guarantee to the PCI agents a minimum amount of the
system resource.

The default setting is 64 PCI clocks.

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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.

IDE Primary Master UDMA

On this mainboard, Intel PIIX4 improves IDE transfer rate using Bus Master UltraDMA/
33 IDE which can handle data transfer up to 33MB/sec. The options are Disabled, En-
abled and Auto, Auto is the default settings for on board Primary Master UltraDMA33.

Note : Your hard drive must also support UDMA for this feature to work.

IDE Primary Slave UDMA

On this mainboard, Intel PIIX4 improves IDE transfer rate using Bus Master UltraDMA/
33 IDE which can handle data transfer up to 33MB/sec. The options are Disabled, En-
abled and Auto, Auto is the default settings for on board Primary Slave UltraDMA33.

Note : Your hard drive must also support UDMA for this feature to work.

IDE Secondary Master UDMA

On this mainboard, Intel PIIX4 improves IDE transfer rate using Bus Master UltraDMA/
33 IDE which can handle data transfer up to 33MB/sec. The options are Disabled, En-
abled and Auto, Auto is the default settings for on board Secondary Master UltraDMA33.

Note : Your hard drive must also support UDMA for this feature to work.

IDE Secondary Slave UDMA

On this mainboard, Intel PIIX4 improves IDE transfer rate using Bus Master UltraDMA/
33 IDE which can handle data transfer up to 33MB/sec. The options are Disabled, En-
abled and Auto, Auto is the default settings for on board Secondary Slave UltraDMA33.

Note : Your hard drive must also support UDMA for this feature to work.

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

USB Keyboard Support

This item is used to defined USB Keyboard is Enabled or Disabled.

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.

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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.

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.

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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 page 14
"Clear CMOS".

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