Air 486PH Manuel utilisateur
486 PCI/VL/ISA System Board
Revision 1.00
486PH System Board User s Manual Page 1
Thank you for purchasing the 486PH system board. This
document will aid you to configure and to install this system
board properly. The document is prepared with our best
knowledge; however, we make no representation or warranty
concerning the contents or use of this manual, and specifically
disclaim any expressly implied warranties or merchant ability or
fitness of any particular purpose. The information in this
document is subject to change without notice.
This document contains information protected by copyright. All
rights are reserved. No part of this document may be used or
reproduced in any form or by any means, or stored in a database
or retrieval system, without prior written permission.
. Intel is a registered trademark of Intel Corporation.
. IBM is a registered trademark of International Business
Machines Corporation.
. Microsoft is a registered trademark of Microsoft
Corporation.
. PCI is a registered trademark of PCI Special Interest
Group.
. All other trademarks used in this manual are the property of
their respective owners.
PREFACE
TRADEMARKS
TABLE OF CONTENTS
CHAPTER 1: INTRODUCTION
PRODUCT OVERVIEW
FEATURES
PRODUCT SPECIFICATIONS
CHAPTER 2: BOARD’S JUMPERS & CONNECTORS
JUMPER DESCRIPTIONS
CPU JUMPERS
CACHE MEMORY JUMPERS
SYSTEM BOARD STANDARD JUMPERS
CONNECTOR DESCRIPTIONS
PC/AT STANDARD CONNECTORS
PERIPHERAL CONNECTORS
CHAPTER 3: HARDWARE INSTALLATION
BUILDING A HIGH PERFORMANCE SYSTEM
CPU INSTALLATION
COOLING FAN INSTALLATION
INSTALLING DRAM SIMMS
DRAM SIMMS CONFIGURATION
PERIPHERAL DEVICE CONNECTION
PERIPHERAL ADD-ON CARD INSTALLATION
CHAPTER 4: SYSTEM SETUP
SYSTEM CMOS
ENTERING CMOS SETUP
SETUP WINDOW
ADVANCED SETUP
CHIPSET SETUP
POWER MANAGEMENT SETUP
UTILITY WINDOW
SECURITY SETUP WINDOW
DEFAULT SETUP WINDOW
SYSTEM BOARD CONFIGURATION
PROGRAMMING FLASH BIOS
APPENDIX A: EYBOARD HOT EYS
APPENDIX B AMI BIOS HARD DIS TYPE
APPENDIX C: ISA I/O ADDRESS MAP
APPENDIX D: MEMORY MAPPING
APPENDIX E: INTERRUPT LEVEL ASSIGNMENTS
PRODUCT INFORMATION RECORD
!
The 486PH y tem board add to our product line a highly integrated
and co t effective olution, without compromi ing performance or
quality. Intel, AMD, & Cyrix 486 CPU are upported on the
486PH y tem board. With top CPU peed at 100MHz and
integrated Write-Back cache, the 486PH dramatically boo t y tem
throughput for even the mo t demanding application .
"#
#$$%"
·Supports Intel, AMD, Cyrix CPUs.
&'%(
·Supports 128K, 256K, and 512K Fast External Write-back
Cache memory.
("%(
·4 Banks of Memory that support 256Kx36, 512Kx36,
1Mx36, 2Mx36, 4Mx36, & 8Mx36 72-pin SIMMs.
·Up to 64MBytes on-board memory.
("
·AMI BIOS with Built-in Window Standard CMOS,
Advanced CMOS, Advanced Chipset, Configuration
Utilities, Password, Power Management Setup Menus.
·Optional Flash BIOS supports ISA Plug & Play feature.
("')$"
·Intel ARIES EPA Green 82420EX PCI Level 2 Chipset.
·Sophisticated System Power Management.
·Supports Level 1 Write-Back CPU.
#*%"
·Three 32-bit PCI Bus Mastering slots (One is sharing slot).
·Two 32-bit VL-Bus Mastering slots.
·Five ISA slots.
+,%%"
·32-bit PCI IDE supports Mode 3 Timing.
·Support Logical Block Address to configure more than
528MB HDD.
·Auto-configuring.
*)*%&
·Real Time Clock with built-in Battery to provide accurate
timer clock.
%%&"%
·Standard PC/XT (or PC/AT) form factor and mounting
holes.
%#&"$&)-&")%+
*&")&*
Typical Power: +5V Tolerance 5%, current 4.5A.
+12V Tolerance 10%, current 100mA.
-5V Tolerance 5%, current 150mA.
-12V Tolerance 10%, current 100mA.
+.)%++"*
Operating temperature (ambient): O0C/320F to 550C/1310F
Storage temperature -200C/-40F to 700C/1580F
Operating Humidity: 10% to 90%
(non-condensing)
Storage Humidity: 5% to 95%
(non-condensing)
)+)%+
Width: 8.7 inches (221.0 mm)
Length: 10.8125 inches (274.5 mm)
/012
When working with the 486PH, it is extremely
important that you avoid
Electrical Static Discharge (ESD).
Always ground yourself by wearing a
grounded wristband or ankle strap.
Figure 1 on the next page shows the component layout of the
486PH system board with locations of the system board jumpers
and connectors. Note that most of the jumpers and connectors
on the system board are labeled with proper names with pin 1
marked as . To avoid damaging the board and to ensure proper
operation, caution should be taken when connecting these
jumpers and connectors.
1
Jumpers are used to select between various operating modes. A
jumper switch consists of two, three, or four gold pins projecting
from the system board. Placing the plastic jumper cap over two
pins connects those pins and makes a particular selection. Using
the jumper cap to cover two pins in this way is referred to as
shorting those pins. If the cap is not placed on any pins at all or
placed on only one pin, this is referred to as leaving the pins
open.
Note: When you open a jumper, leave the plastic jumper cap
attached to one of the pins so you don t lose it.
1 2 3
Remark: The sample jumper setting
shown above is set at 486DX-33M z, 256K
Cache Size.
Remark: The sample jumper setting
shown above is set at 486DX-33M z, 256K
Cache Size.
S
I
M
M
3
S
I
M
M
4
S
I
M
M
1
S
I
M
M
2
CPU Clock
Speed
Selection
Jumpers
JP6, JP19,
JP20,
& J P21
eyboard Connector
Intel
Aries
S82426EX
CPU Type
Selection Jumpers:
JP10, JP16, J P23,
JP24, JP25
eyboar
d
Controlle
r
BIO
S
Power Connectors
Intel
Aries
S82425EX
1
1
ID
E
LOC
HDLE
D
SP R RESE
T
TURB
O
TBLE
D
1
JP6
JP19
JP20
JP21
JP11
12C887A
JP1
6
JP2
5
1
JP2
4
JP
2
JP1
JP1
0
1
JP1
2
JP8
JP9
JP3
1
JP2
3
11
JP1
4
1
1
Figure 1: 486PH Component ayout
Cache
Memory
up to
512 B
Three
32-bit
PCI local
bus
mastering
slots
Five 16-bit
ISA slots
Two 32-bit
VESA
standard
local bus
mastering
slots
Four 72-Pin
SIMM socket
support up
to 64 Mbytes
CMOS
Discharge
Jumper JP1
Holes for
Plastic
mountings
or screws
Cache Size
Jumpers:
JP8, JP9,
JP11 & JP12
Monitor
Selection
Jumper:
J P2
CP
U
1#$
($*&")%+1#$
CPU Type JP10 JP16 JP23 JP24 JP25
Intel 486SX Short Open Open 2-3 1-2
Intel 486DX, DX2,
DX4 (Default)
Short Open Open 1-2 1-2
AMD 486DX,
DX4*
Short Open Short 1-2 2-3
AMD 486DX2* Short Open Open 1-2 2-3
Cyrix 3.3-Volt
486DX, DX2
Short Short Short 1-2 2-3
Cyrix 5-Volt
486DX, DX2
Short Open Short 1-2 2-3
* Chipset auto detects AMD 3.3-Volt and 5-Volt CPUs, no
special jumper setting is required.
*%&3#+&(*&")%+1#$
If you are installing an 486DX or 486SX CPU, the internal CPU
clock speed is the same as the external CPU clock speed. This is
different for 486DX2 CPU where the external speed is one-half
of the internal speed. For example, a 486DX2-66 has an
external clock speed of 33MHz.
Clock
Frequency
CPU supported JP6 JP19 JP20 JP21
33 MHz 486SX-33
487SX-33
486DX-33
486DX2-66
486DX4-100
P24T
1-2 Open Short Short
25MHz 486SX-25
487SX-25
486DX-25
486DX2-50
486DX4-75
2-3 Short Open Open
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