IEI Technology ICPMB-7880 User manual

ICPMB-7880
INTEL LGA 775 CPU
915G CHIPSET
ON BOARD PCI EXPRESS Mavell GIGABIT LAN
User Manual Version 1.0
November 29, 2004
©Copyright 2004 by ICP Electronics Inc. All Rights Reserved.

2
Copyright Notice
The information in this document is subject to change without prior notice in
order to improve reliability, design and function and does not represent a
commitment on the part of the manufacturer.
In no event will the manufacturer be liable for direct, indirect, special, incidental,
or consequential damages arising out of the use or inability to use the product or
documentation, even if advised of the possibility of such damages.
This document contains proprietary information protected by copyright. All rights
are reserved. No part of this manual may be reproduced by any mechanical,
electronic, or other means in any form without prior written permission of the
manufacturer.
Trademarks
ICPMB-7880 is a registered trademark of ICP Electronics Inc., IBM PC is a
registered trademark of International Business Machines Corporation. Intel is a
registered trademark of Intel Corporation. AMIBIOS is registered trademarks of
AMERICAN MEGATRENDS, INC. Other product names mentioned herein are used
for identification purposes only and may be trademarks and/or registered
trademarks of their respective companies.
Support
Any questions regarding the content of this manual or related issues can be e-
mailed to us directly at: [email protected].tw.

3
Table of Contents
CHAPTER 1 INTRODUCTION..................................................4
1.1 Specifications................................................................................5
1.2 Package Contents ..........................................................................6
CHAPTER 2 INSTALLATION....................................................7
2.1 ICPMB-7880 Placement ..................................................................7
2.2 Clear CMOS Setup..........................................................................7
2.3 Compact Flash Card Master/Slave Mode Setting................................. 7
2.4 RS-232/485 Setup .........................................................................8
2.5 Wake On Ring ...............................................................................8
CHAPTER 3 CONNECTION.......................................................9
3.1 PCI IDE Disk Drive Connector..........................................................9
3.2 Fan Connector............................................................................. 10
3.3 Serial Ports ................................................................................. 11
3.4 Power Connector.......................................................................... 11
3.5 3IN1 Connector ........................................................................... 12
3.6 IrDA Infrared Interface Port .......................................................... 13
3.7 USB Port Connector...................................................................... 13
3.8 Audio Connector .......................................................................... 14
3.9 SERIAL ATA PORT........................................................................ 14
3.10 GPIO Connector........................................................................... 14
3.11 Gigabit RJ45 Connector ................................................................ 15
3.12 PCI EXPRESS 16X Connector......................................................... 15
3.13 PCI EXPRESS 1X Connector........................................................... 17
3.14 PS/2 Keyboard & Mouse Connector ................................................ 17
3.15 DDRI SDRAM SOCKET .................................................................. 18
3.16 System Panel Connector............................................................... 18
CHAPTER 4 AMI BIOS SETUP.......................................19
4.1 Introduction ................................................................................ 19
4.2 Starting Setup............................................................................. 19
4.3 Using Setup ................................................................................ 19
4.4 Getting Help................................................................................ 20
4.5 BIOS menu bar............................................................................ 20
4.6 Main........................................................................................... 21
4.7 Advanced.................................................................................... 21
4.8 PCI PnP ...................................................................................... 31
4.9 Boot........................................................................................... 32
4.10 Security...................................................................................... 34
4.11 Chipset....................................................................................... 35
4.12 Power......................................................................................... 37
4.13 Exit............................................................................................ 38
APPENDIX A ADDRESS MAPPING.....................................40
APPENDIX B HOW TO USE WAKE-UP FUNCTION.....42
APPENDIX C DIGITAL I/O....................................................43

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Chapter 1 Introduction
Thank you for choosing ICPMB-7880 Intel LGA 775 CPU Single Board Computer.
ICPMB-7880 is a Micro ATX form factor board, which comes equipped with high
performance Intel LGA 775 CPU and advanced high performance multi-mode I/O,
designed for the system manufacturers, integrators, or VARs that want to provide
all the performance, reliability, and quality at a reasonable price.
In addition, the ICPMB-7880 provides Integrated Memory controller ,graphics
accelerator and PCI Express 16X in a single chip (Intel 82915G).
An advanced high performance south bridge chip –Intel 82801FB (ICH6) and
super I/O ITE8712F are also integrated in the ICPMB-7880 board. Four on-board
UARTs are compatible with the NS16C550. The parallel port and IDE interface are
compatible with IBM PC/AT architecture's.
ICPMB-7880 uses a Mavell 88E8053 fast Ethernet Multifunction PCI Express 1X
Controller as LAN controller. The Mavell 88E8053 is a fully integrated Gigabit LAN
solution with high performance networking functions and low power features.

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1.1 Specifications
CPU Intel LGA 775 Socket
FSB 533 MHz / 800 MHz
DMA Channels 7
Interrupt Levels 15
Chipset Intel 82915G + Intel 82801FB (ICH6)
RAM Memory 2 Channel DDR SDRAM DDR333/DDR400
IDE Interface One IDE hard drives connector.
Four High Speed Serial
Ports NS16C550 compatible UARTs, with 3RS232, 1 RS232/422/485.
Bi-directional Parallel
Port Compatible with ECP and EPP.
Hardware Monitoring ITE8712H to monitor power supply voltage and fan
speed status.
IrDA Port Support Serial Infrared (SIR) and Amplitude Shift
Keyed IR (ASKIR) interface.
USB Port Support 8USB 2.0 ports for future expansion.
Watchdog Timer
Software-programmable.Reset generated when CPU
does not periodically trigger the timer. You can use
BIOS routine INT15 to control the watchdog and
generate a system reset.
Mavell 88E8053
Fast Ethernet LAN 1X
PCI Express Controller
•Fast back-to-back transmission support with
minimum interframe spacing.
•Connected to your LAN through RJ45 connector.
Keyboard and PS/2
mouse connector Easy connection to a keyboard or PS/2 mouse.
Audio Connector Support Line-IN, Line–Out and Microphone-In
SATA Connector Support 4 port Serial ATA
Compact flash It can be used with a passive adapter (True IDE
Mode) in a Type I/II Socket.
Power Consumption +12V/6.51A +5V/3.63A
Operating Temperature
0°~ 60°C

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1.2 Package Contents
In addition to this User's Manual, the ICPMB-7880 package includes the following
items:
One IDE Cable (32200-000052)
One COM Cable(W/Bracket) (32200-004101)
One COM Cable for COM2(W/Bracket) (32200-029400)
One RS422/485 Cable(W/Bracket) (19800-000017)
One FDD Cable (32200-000017)
One Anti-Dust Pad (45002-0808C0-00)
Four Serial ATA With lock Cable (32000-050300)
Two Serial ATA Power Cable (32100-088600)
Two USB Cable (CB-USB02A)
Ten Mini Jumper P : 2.54 (33100-000079)
One CD-ROM Driver (7B000-000009)
One QIG
If any of these items is missing or damaged, contact the dealer from whom you
purchased the product. Save the shipping materials and carton in case you want
to ship or store the product in the future.

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Chapter 2 Installation
2.1 ICPMB-7880 Placement
TOP
2.2 Clear CMOS Setup
If you want to clear the CMOS Setup (for example forgot the password you should
clear the setup and then set the password again.), you should close the JP5 about
3 seconds, then open again. Set back to normal operation mode.
•JP1: Clear CMOS Setup
JP1 Description
1-2Keep CMOS Setup
(Normal Operation)
2-3Clear CMOS Setup
2.3 Compact Flash Card Master/Slave Mode Setting
•JP4: Master/Slave Mode Setting
U8 INTEL
LGA775
U1
U4
CN31
CF
IDE1 IDE
CN31
CF
FDD FDD1
ATX
COM2
COM4
CN37
COM3
CN38
S_ATA1
S_ATA2
S_ATA3
S_ATA4
J1
BAT
DDR1
DDR2
IR1
KB_MS1
F_USB1
CN1
J1
0
J4
PCIE_1 PCI
-
E
-
16X
PCI1 PCI
PCIE_3 PCI
-
E
-
1X_2
PCIE_2 PCI
-
E
-
1X_1
J15
JP4
CN46
F_PANEL1
J13
JP5
SYS_FAN1
J2 USB_3
J3 USB_4
CPU_FAN1
PWR_FAN1
ATX_12V1

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JP4 Description
OPEN SLAVE
SHORT MASTER
2.4 RS-232/485 Setup
•J15 : RS-232/485 Setup(for COM2)
J15 DESCRIPTION
1-2RS232
2-3RS-485
2.5 Wake On Ring
•J13 : Wake on Modem(for COM2 default On)
J13 DESCRIPTION
2-4-XRI2

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Chapter 3 Connection
This chapter describes how to connect peripherals, switches and indicators to the
ICPMB-7880 board.
3.1 PCI IDE Disk Drive Connector
You can attach two IDE (Integrated Device Electronics) hard disk drives on one
channels.
•IDE1: Primary IDE Connector (Pitch 2.54 mm)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1RESET# 2GROUND
3DATA 7 4DATA 8
5DATA 6 6DATA 9
7DATA 5 8DATA 10
9DATA 4 10 DATA 11
11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 0 18 DATA 15
19 GROUND 20 N/C
21 IDE DRQ 22 GROUND
23 IOW# 24 GROUND
25 IOR# 26 GROUND
27 IDE CHRDY 28 GROUND
29 IDE DACK 30 GROUND–
DEFAULT
31 INTERRUPT 32 N/C
33 SA1 34 N/C
35 SA0 36 SA2
37 HDC CS0# 38 HDC CS1#
39 HDD ACTIVE# 40 GROUND
ICPMB -7880 includes a slot for a Compact Flash Storage Card in IDE Mode(Using
IDE1).

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•CN31: Compact Flash Storage Card Socket
PIN Description PIN Description
1GROUND 26 CARD DETECT1
2D3 27 D11
3D4 28 D12
4D5 29 D13
5D6 30 D14
6D7 31 D15
7CS1# 32 CS3#
8N/C 33 N/C
9GROUND 34 IOR#
10 N/C 35 IOW#
11 N/C 36 OBLIGATORY TO PULL HIGH
12 N/C 37 IRQ15
13 VCC 38 VCC
14 N/C 39 MASTER/SLAVE
15 N/C 40 N/C
16 N/C 41 RESET#
17 N/C 42 IORDY
18 A2 43 N/C
19 A1 44 N/C
20 A0 45 ACTIVE#
21 D0 46 PDIAG#
22 D1 47 D8
23 D2 48 D9
24 N/C 49 D10
25 CARD DETECT2 50 GROUND
3.2 Fan Connector
ICPMB-7880 provides a CPU cooling fan connector. This connector can supply
12V/0.8A(MAX) to the cooling fan. In the connector there have a “SENSE” pin.
The SENSE pin is to get the fan’s rotation signal to system. So the system BIOS
could recognize the fan speed . When the CPU hot, system BIOS can through
“CONTROL”pin speed up the fan speed.
•CPU_FAN1: CPU FAN Connector
PIN Description
1GND
2+12V
3SENSE
4CONTROL
•PWR_FAN1: POWER FAN Connector
PIN Description
1GND
2+12V
3CONTROL
•SYS_FAN1: SYSTEM FAN Connector

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PIN Description
1GND
2+12V
3CONTROL
3.3 Serial Ports
•The ICPMB-7880 offers four high speed NS16C550 compatible UARTs with
Read/Receive 16 byte FIFO.
•COM2 : COM2 (RS-232/485)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1DCD4 2DSR4
3RX4 4RTS4
5TX4 6CTS4
7DTR4 8RI4
9GND 10
•CN46 : (RS-422/485 ONLY)
PIN NO.
DESCRIPTION
1+XTX2
2-XTX2
3XRX2+
4XRX2-
•CN38,CN37: COM3,COM4(RS-232 ONLY)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1NRLSD3 2NDSR3
3NRX3 4NRTS3
5NTX3 6NCTS3
7NDTR3 8-XRI3
9GND 10
3.4 Power Connector
The pin assignments are as following:
•ATX: Micro ATX Power Connector 24 PIN

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PIN NO. DESCRIPTION PIN NO. DESCRIPTION
13.3V 13 3.3V
23.3V 14 -12V
3GND 15 GND
45V 16 PSON
5GND 17 GND
65V 18 GND
7GND 19 GND
8PWR OK 20 -5V
95VSB 21 5V
10 12V 22 5V
11 12V 23 5V
12 3.3V 24 GND
•ATX_12V1:MICRO ATX Power connector 4 PIN
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1GND 312V
2GND 412V
3.5 3IN1 Connector
The 3 IN 1 Connector include the COM port, CRT port and LPT port.
•CN1A: LPT (25-pin Female Connector)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1-STB 14 -AFD
2PD0 15 -ERR
3PD116 -INIT
4PD2 17 -SLIN
5PD3 18 GND
6PD4 19 GND
7PD5 20 GND
8PD6 21 GND
9PD7 22 GND
10 -ACK 23 GND
11 BUSY 24 GND
12 PE 25 GND
13 SLCT
•CN1B: COM1 (9-pin Male Connector)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1-NDCDA 2-NDSRA
3NSINA 4-NRTSA
5NSOUTA 6-NCTSA
7-NDTRA 8-XRI1
9GND
CN1C: CRT (15-pin Female Connector)

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PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1RED 9NC
2GREEN 10 GND
3BLUE 11 NC
4NC 12 DDCDAT
5GND 13 HSYNC
6GND 14 VSYNC
7GND 15 DDCCLK
3.6 IrDA Infrared Interface Port
ICPMB-7880 built-in an IrDA port which support Serial Infrared (SIR) or
Amplitude Shift Keyed IR (ASKIR) interface. When use the IrDA port have to set
SIR or ASKIR mode in the BIOS’s Peripheral Setup’s COM2. Then the normal RS-
232 COM2 will be disabled.
•IR1: IrDA connector
PIN Description
1+5V
2NC
3RX
4GND
5TX
3.7 USB Port Connector
ICPMB-7880 built-in eight USB ports for the future new I/O bus expansion. It
complies with USB 2.0.port 4,5,6,7 are provided in 2x4 pin header and port
0,1,2,3 are provided with USB STD A Connector.
•F_USB1 : USB Connector(USB 0,1)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1FUSEVCC 5FUSEVCC
2-FUSB0 6-FUSB1
3+FUSB0 7+FUSB1
4GND 8GND
•J10B : USB Connector(USB 2,3)
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1FUSEVCC15FUSEVCC1
2-USB26-USB3
3+USB27+USB3
4GND 8GND
•J2 J3: USB 4,5,6,7 (2*4 Pin header)
J2 PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1FUSEVCC2 8GND
2-P4 7P5+
3P4+ 6P5-

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4GND 5FUSEVCC2
J3 PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1FUSEVCC3 8GND
2-P6 7P7+
3P6+ 6P7-
4GND 5FUSEVCC3
3.8 Audio Connector
The pin assignments are as following.
•J4: Audio Connector
PIN NO.
DESCRIPTION
1Line-in R
2GND
3GND
4Line-in L
5Line-out R
6GND
7GND
8Line-out L
9Microphone in
10 GND
11 GND
12 GND
13 Microphone in
3.9 SERIAL ATA PORT
•S_ATA1 , S_ATA2 , S_ATA3 , S_ATA4 : Serial ATA Port
PIN NO.
DESCRIPTION
1GND
2TXP
3TXN
4GND
5RXN
6RXP
7GND
3.10 GPIO Connector
ICPMB-7880 provide built-in 8 GPIO Pins that can be choose at the BIOS setup to
select the GPIO to be Input or Output Pins.
•JP5 : 8 BIT GPIO Connector

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PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1GND 2VCC5
3GPI24 4GPO19
5GPI27 6GPO21
7GPI28 8GPO23
9GPI32 10 GPO33
3.11 Gigabit RJ45 Connector
•J10A: Gigabit-LAN RJ45 Connector
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
12.5VCC 12 LINK 100 LED
2MD0+ 13 LINK LED
3MD0-14 LED ACT
4MD1+ 15 GND
5MD1-16 GND
6 MD2+ 17 GND
7 MD2-18 GND
8 MD3+ 19 GND
9 MD3-20 GND
10 GND 21 GND
11 LINK 1000 LED 22 GND
3.12 PCI EXPRESS 16X Connector
ICPMB-7880 has a PCI EXPRESS 16X connector for PCI EXPRESS 16X VGA card
use. The PCI Express port is compatible with the PCI Express Base Specification
revision 1.0a.
The 16Xport operates at a frequency of 2.5 Gb/s on each lane while employing
8b/10b encoding, and supports a maximum theoretical bandwidth of 4 Gb/s each
direction.
•PCIE_1: PC/104-Plus Connector (164-pin PCI EXPRESS 16X bus)
PIN
DESCRIPTION PIN DESCRIPTION
A1 NC B1 12V
A2 12V B2 12V
A3 12V B3 RSVD1
A4 GND B4 GND
A5 NC B5 SMCLK
A6 NC B6 SMDAT
A7 NC B7 GND
A8 NC B8 3.3V
A9 3.3V B9 NC
A10 3.3V B10 3.3VAUX
A11 PWRGD B11 WAKE#
A12 GND B12 RSVD2
A13 REFCLK+ B13 GND
A14 REFCLK-B14 HSOP0
A15 GND B15 HSON0
A16 HSIP0 B16 GND

16
A17 HSIN0 B17 DVO_CLK
A18 GND B18 GND
A19 RSVD5 B19 HSOP1
A20 GND B20 HSON1
A21 HSIP1 B21 GND
A22 HSIN1 B22 GND
A23 GND B23 HSOP2
A24 GND B24 HSON2
A25 HSIP2 B25 GND
A26 HSIN2 B26 GND
A27 GND B27 HSOP3
A28 GND B28 HSON3
A29 HSIP3 B29 GND
A30 HSIN3 B30 RSVD3
A31 GND B31 DVO_DATA
A32 RSVD6 B32 GND
A33 RSVD7 B33 HSOP4
A34 GND B34 HSON4
A35 HSIP4 B35 GND
A36 HSIN4 B36 GND
A37 GND B37 HSOP5
A38 GND B38 HSON5
A39 HSIP5 B39 GND
A40 HSIN5 B40 GND
A41 GND B41 HSOP6
A42 GND B42 HSON6
A43 HSIP6 B43 GND
A44 HSIN6 B44 GND
A45 GND B45 HSOP7
A46 GND B46 HSON7
A47 HSIP7 B47 GND
A48 HSIN7 B48 NC
A49 GND B49 GND
A50 RSVD8 B50 HSOP8
A51 GND B51 HSON8
A52 HSIP8 B52 GND
A53 HSIN8 B53 GND
A54 GND B54 HSOP9
A55 GND B55 HSON9
A56 HSIP9 B56 GND
A57 HSIN9 B57 GND
A58 GND B58 HSOP10
A59 GND B59 HSON10
A60 HSIP10 B60 GND
A61 HSIN10 B61 GND
A62 GND B62 HSOP11
A63 GND B63 HSON11
A64 HSIP11 B64 GND
A65 HSIN11 B65 GND
A66 GND B66 HSOP12
A67 GND B67 HSON12
A68 HSIP12 B68 GND
A69 HSIN12 B69 GND
A70 GND B70 HSOP13
A71 GND B71 HSON13
A72 HSIP13 B72 GND

17
A73 HSIN13 B73 GND
A74 GND B74 HSOP14
A75 GND B75 HSON14
A76 HSIP14 B76 GND
A77 HSIN14 B77 GND
A78 GND B78 HSOP15
A79 GND B79 HSON15
A80 HSIP15 B80 GND
A81 HSIN15 B81 NC
A82 GND B82 RSVD4
3.13 PCI EXPRESS 1X Connector
•PCIE_2 PCIE_3 :PCI EXPRESS 1X Connector (36-pin PCI EXPRESS
1X BUS)
PIN
DESCRIPTION PIN DESCRIPTION
A1 NC B1 12V
A2 12V B2 12V
A3 12V B3 RSVD
A4 GND B4 GND
A5 JTAG2 B5 SMCLK
A6 JTAG3 B6 SMDATA
A7 JTAG4 B7 GND
A8 JTAG5 B8 3.3V
A9 3.3V B9 JTAG1
A10 3.3V B10 3.3VAUX
A11 PWRGD B11 WAKE#
A12 GND B12 RVSD
A13 REFCLK+ B13 GND
A14 REFCLK-B14 HSOP0
A15 GND B15 HSON0-
A16 HSIP0 B16 GND
A17 HSIN0 B17 NC
A18 GND B18 GND
3.14 PS/2 Keyboard & Mouse Connector
•J16: PS/2 Keyboard & Mouse Connector
PIN NO.
DESCRIPTION
1KEYBOARD DATA
2NC
3GND
4FUSEVCC3
5KEYBOARD CLK
6NC
7MOUSE DATA
8NC
9GND
10 FUSEVCC3
11 MOUSE CLK
12 NC

18
3.15 DDRI SDRAM SOCKET
•DDR1: 184 PIN DDRI SDRAM SOCKET
•DDR2:184 PIN DDRI SDRAM SOCKET
3.16 System Panel Connector
•J18: System Panel Connector
PIN NO.
DESCRIPTION PIN NO. DESCRIPTION
1VCC 2BUZZER
3GND 4GND
5GND 6SLP_BTN
7PWRBT_SW 8VCC
9VCC 10 RESET_SW
11 HDDLED 12 GND

19
Chapter 4 AMI BIOS Setup
4.1 Introduction
This manual discusses AMI's Setup program built into the ROM BIOS. The Setup
program allows users to modify the basic system configuration. This special
information is then stored in battery-backed RAM so that it retains the Setup
information when the power is turned off.
4.2 Starting Setup
The AMI BIOS is immediately activated when you first power on the computer.The
BIOS reads the system information contained in the CMOS and begins the process
of checking out the system and configuring it. When it finishes, the BIOS will
seek an operating system on one of the disks and then launch and turn control
over to the operating system.
While the BIOS is in control, the Setup program can be activated in one of two
ways:
1. By pressing <Del> immediately after switching the system on, or
2. by pressing the <Del>key when the following message appears briefly at the
bottom of the screen during the POST.
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 then ON or pressing the "RESET"
button on the system case. You may also restart by simultaneously pressing
<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...
4.3 Using Setup
In general, you use the arrow keys to highlight items, press <Enter> to select,
use the PageUp and PageDown keys to change entries, press <F1> for help and
press <Esc> to quit. The following table provides more detail about how to
navigate in the Setup program using the keyboard.
Up arrow Move to previous item
Down arrow Move to next item
Left arrow Move to the item in the left hand
Right arrow Move to the item in the right hand
Esc key Main Menu -- Quit and not save changes into
CMOS
Status Page Setup Menu and Option Page
Setup Menu -- Exit current page and return to
Main Menu
Page Up key Increase the numeric value or make changes
Page Dn key Decrease the numeric value or make changes
F1 key General help, only for Status Page Setup Menu
and Option Page Setup Menu
F2 /F3 key Change color from total 16 colors. F2 to select
color forward.
F10 key Save all the CMOS changes, only for Main
Menu

20
4.4 Getting Help
Press F1 to pop up a small help window that describes the appropriate keys to
use and the possible selections for the highlighted item. To exit the Help Window
press <Esc> or the F1 key again.
If, after making and saving system changes with Setup, you discover that your
computer no longer is able to boot, the AMI BIOS supports an override to the
CMOS settings which resets your system to its defaults.
The best advice is to only alter settings which you thoroughly understand. To this
end, we strongly recommend that you avoid making any changes to the chipset
defaults. These defaults have been carefully chosen by both AMI and your
systems manufacturer to provide the absolute maximum performance and
reliability. Even a seemingly small change to the chipset setup has the potential
for causing you to use the override.
4.5 BIOS menu bar
The menu bar on top of the screen has the following main items:
Main For changing the basic system configuration.
Advanced For changing the advanced system settings.
PCI PnP This entry appears if your system supports PnP / PCI.
Boot For changing the system boot configuration.
Security Use this menu to set User and Supervisor Passwords.
Chipset For changing the chipset setting.
Power For changing the advanced power management configuration.
Exit For selecting the exit options and loading default settings.