IWILL P55XB2 User manual

1
EC Declaration of Conformity
We
Iwill Corp.
No. 9-1, Kong 6th RD.,
Lin Kou 2nd Industrial
Park, Taipei, Taiwan R.O.C.
declare under sole responsibility that the
P55XB2 motherboard
meets the intent of Directive 89/336/ECC for Electromagnetic Compatibility.
Compliance was demonstrated to the following specifications as listed in the
official Journal of the European Communities:
EN 50081-1 Emissions:
EN 55022 Radiated, Class B
EN 55022 Conducted, Class B
EN 60555-2 Power Harmonics
EN 50082-1 Immunity:
IEC 801-2 Electrostatic Discharge
IEC 801-3 RF Radiat
IEC 801-4 Fast Transient

2

3
About This Manual
This manual will guide the user on how this new Ultra ATA ( Ultra DMA 33 )
motherboard was manufactured. All useful informations will be described in later
chapters. Keep this manual for your future upgrade or system configuration changed.
The chapter Quick Installation ---
This chapter’s description is suitable for most user, Just follow step by step in
installing the system.
The chapter Overview ---
Describe the feature and specificaton of this Ultra DMA 33 motherboard.
The chapter Hardware Installation ---
Describes the hardware detail specification and connection.
The chapter Award BIOS Setup ---
Detail description of this Ultra DMA 33 motherboard, no need to change the
manufacture default unless you have conflict in your system.
The chapter Appendix ---
Useful information will be added in this chapter for your reference.
Warning
This motherboard is carefully designed with Intel spec. to fully support Pentium processor with MMX up
to 233Mhz . Since Intel is not shiping the new Pentium procesoor with MMX with 233Mhz at the time that
we deliver this motherboard so we hold the responsibility on if Intel change any spec. that cause the new
processor not function properly in this motherboard.

4
Trademarks
IWILL, the IWILL logo, RAIDBUS are trademarks of IWILL Corporation which is registered in the
United State of America and some other countrys with some jurisdictions.
Intel, the Intel logo, Pentium are trademarks of Intel Corporation.
Adaptec, the Adaptec logo are trademarks of Adaptec, Inc.
Microsoft and Windows are trademarks of Microsoft Corporation
All other trademarks are owned by their respective owners
Copyright
Copyright 1997 IWILL Corporation. All right reserved. No part of this publication may be reproduced,
store in a retrieval tape, disk, system or transmitted in any form or by any means, electronic, mechanical,
photocopying, recording or otherwise, without the prior written consent of IWILL USA Corporation. 1542
#B Edinger , Tustin, CA 92680
Changes
The content in this manual document is for the information only and is subject to change without notice.
IWILL Corporation assumes no liability resulting from errors or omissions in this document or from the
use of the information contained herein, even reasonal efforts had been made in the preparation of this
manual.
IWILL Corporation reserves the right to change the product design without reservation and without
notification to its users.

5
Contents
Chapter 0- Quick Installation P5
Chapter 1- O er iew P16
1.1 Features P16
1.2 Specifications P19
Chapter 2- Hardware Installation P20
2.1 Preparation and Inspection P20
2.2 Placement P21
2.3 CPU group P23
2.4 Cache Memory P28
2.5 D-RAM Configuration P28
2.6 IDE Interface P30
2.7 USB P31
2.8 Enhanced Multi-IO P32
2.9 Other P34
Chapter 3- Award BIOS Setup P38
3.1 Entering Setup P41
3.2 Standard CMOS Setup P44
3.3 BIOS Features Setup P48
3.4 Chipset Feature Setup P53
3.5 Power Management Setup P60
3.6 PNP/PCI Configuration P64
3.7 Integrated Peripherals P67
3.8 Load Setup Defaults P69
3.9 Supervisor/User Password P70
3.10 IDE HDD Auto Detection P71
3.11 HDD Low Level Format P71
3.12 Save & Exit Setup P71
3.13 Exit Without Saving P71

6
CHAPTER 0
Quick Installation
Several easy installation steps will be described in this chapter to help the experienced
users for quick installation. If you are new user and need to know more about this
motherboard, please start from Chapter 1.

7
ISA
PCI
FDD
S. IDE
P. IDE
J8
J2
LPT
ATX
AT
S. 2
KB PS2
CPU
BIOS
P. Control
Fan
USB
IR
J4
J7
J9
J11
S. 1
Figure 1:Connectors for P55XB2

8
75*
90
100
120
133
150
166
180
200
233
266
JP7
JP4
JP3
JP16
JP15
Figure 2 : Jumpers location

9
Connector Function Description
ATX 20 pin Standard ATX power input connector
AT 12 pin Standard AT power input connector
B1 Bank 1, each bank consist by two SIMM Socket(Single In-line
Memory Module )
B2 Bank 2, each bank consist by two SIMM Socket(Single In-line
Memory Module )
BIOS BIOS (Basic Input Output System)
CPU 321 pin Socket 7 CPU socket
D. 1 DIMM1 (Dual In-line Memory Module ) Bank 0
D. 2 DIMM2 (Dual In-line Memory Module ) Bank 1
Fan 3 pin CPU Cooler fan connector
FDD 34 pin Floppy Disk Drive with key protect connector
LPT a 2 x 13 pin box header for Parallel port connector
ISA 3 x ISA(Industrial Standard Architecture) 98 pin expansion slot
IR a 7 pin pin-header for Infrared port connector
KB 5 pin keyboard DIN connector
P. IDE40 pin box-header for Primary IDE connector
PCI 5 x PCI version 2.1 compliance 120 pin PCI (Peripheral
Component Interface)expansion slot
P. Control Front panel signal control connector
RST—Reset Switch
IDE—IDE detect LED
SMI—System Management Interface switch
LED—Power-on LED
Speaker—Speaker connector
Keylock— Keylock switch connector
PS2 4 pin pin-header for PS2 connector
S. IDE 40 pin box-header for secondary IDE connector
S1 a 2 x 5 pin box-header for Serial 1 port connector
S2 a 2 x 5 pin box-header for Serial 2 port connector
USB 20 pin Universal Serial Bus connector

10
Jumper Setting
JP4 CPU Voltage Select
JP7 CPU Frequency select
JP3 CPU Voltage Monitor Jumper
JP16 CMOS Clear Jumper
JP15 Remote power switch for ATX Power
Manufacture Default Setting
CPU Clock CPU Clock at 166Mhz
CPU Voltage CPU Voltage at Auto Setting
Cache Size 512K Pipelined Burst Cache on board
Printer Port DMA3 for ECP Mode, Address=378h at IRQ7
Serial Port Serial l Address=3F8h at IRQ4,
Serial 2 Address=2F8h at IRQ3
PS/2 Mouse PS/2 Mouse at IRQ12
USB Disabled by BIOS, at PCI INTD (shared IRQ with PCI#4)