Pentium SQ578 User manual

SQ578 Pentium PCI
Mainboard
User’s Manual

SQ578
User‘s Notice
Static Electricity Precaution
Static electricity can easily damage your SQ578 mainboard. Observing a few basic
precautions can help you safeguard against damage that could result in expensive repairs.
Follow the simple measures below to protect your equipment from static electricity damage:
Keep the mainboard and other system components in their anti-static packaging until you are
ready to install them.
Touch a grounded surface before you remove any system component from its protective anti-
static packaging. Unpacking and installation should be done on a grounded, anti-static mat.
The operator should be wearing an anti-static wristband, grounded at the same points as the
anti-static mat.
After removing the mainboard from its original packing, only place it on a grounded, anti-
static surface component side up. Immediately inspect the board for damage. Due to shifting
during shipping, it is suggested that the installer press down on all of the socket IC‘s to
ensure they are properly seated. Do this only with the board placed on a firm flat surface.
During configuration and installation, touch a grounded surface frequently to discharge any
static electrical charge that may have built up in your body. The best precaution is to wear a
grounded wrist strap. When handling the mainboard or an adapter card avoid touching its
components. Handle the mainboard and adapter cards either by the edges or by the adapter
card’s case mounting bracket.
The information presented in this publication has been carefully screened for reliability. The
manufacturer provides this manual “As is” with no warranties of any kind, either expressed
or implied, including but not limited to the implied warranties or conditions of this product’s
fitness for any particular purpose. In no event shall the manufacturer be liable for any loss of
profits, loss of business, loss of data, interruption of business, or indirect, special, incidental,
or consequential damages of any kind, even if the manufacturer has been advised of the
possibility of such damages arising from any defect or error in this manual or product.
The manufacturer has the right to change this specification without pre-notice.
Trademarks and product names appearing in this manual are may or may not be registered
with their respective holders.

SQ578
Table of Contents
1INTRODUCTION......................................................................................1-1
1.1 OVERVIEW ............................................................................................1-1
1.2 HOW TO USE THIS MANUAL....................................................................1-1
1.3 ITEM CHECKLIST....................................................................................1-2
2KEY FEATURES.......................................................................................2-1
2.1 PRODUCT SPECIFICATION......................................................................2-1
2.2 MAINBOARD LAYOUT..............................................................................2-2
3INSTALLATION PREVIEW....................................................................3-1
3.1 JUMPER SETTINGS ................................................................................3-1
3.2 INSTALLATION OF DRAM MODULES (SIMM OR DIMM).........................3-9
3.3 INSTALLATION OF THE CPU.................................................................3-12
3.4 INSTALLATION OF EXPANSION SLOTS...................................................3-13
3.5 INSTALLATION OF IDE, I/O CABLES CONNECTION ................................3-13
4BIOS SETUP..............................................................................................4-1
4.1 STARTING SETUP ..................................................................................4-1
4.2 MAIN SETUP MENU................................................................................4-3
4.3 STANDARD CMOS SETUP MENU..........................................................4-4
4.4 BIOS FEATURES SETUP MENU.............................................................4-8
4.5 CHIPSET FEATURES SETUP MENU.......................................................4-12
4.6 POWER MANAGEMENT SETUP MENU ..................................................4-14
4.7 PCI / PLUG AND PLAY SETUP..............................................................4-17
4.8 PERIPHERAL SETUP.............................................................................4-21
4.9 AUTO-DETECT HARD DISKS ................................................................4-23
4.10 SUPERVISOR PASSWORD SETTING .....................................................4-24
4.11 AUTO CONFIGURATION WITH OPTIMAL SETTINGS................................4-24
5VGA INSTALLATION(OPTION)............................................................5-1
5.1 INTRODUCTION......................................................................................5-1
5.2 SOFTWARE SUPPORT...............................................................................5-4

SQ578
1Introduction
1.1 Overview
The SQ578 mainboard integrates the Pentium microprocessor, memory, and I/O technologies
and is designed to fit into a standard AT form factor chassis. The design supports Pentium
processors, Pentium processors with MMX technology, Cyrix 6X86/6X86L/MX Processors,
IDT-C6 Processors, and AMD K5/K6 Processors. Page 2-2 illustrates the mechanical form
factor for the SQ578 mainboard.
1.2 How to use this Manual
This manual provides information necessary to install and operate the SQ578 mainboard and
is organized into five chapters. The purpose of this manual is to explain the installation
procedures and operations of the mainboard as specified below.
1. Introduction Manual information and checklist
2. Key Features An overview specification of this mainboard
3. Installation Preview Instructions on how to setup the mainboard
4. BIOS Setup BIOS software setup information
5. VGA Installation (Option) On Board VGA Feature information

SQ578
1.3 Item Checklist
The SQ578 mainboard should contain following items (ü). Immediately, contact your
retailer if you discover any missing items, or any damage.
þThe SQ578 mainboard
þThis SQ578 user‘s manual
þ1 IDE ribbon cable
þ1 floppy ribbon cable
þ1 parallel ribbbon cable and PS/2 mouse cable with mounting bracket
þ2 serial ribbbon cable attached to a mounting bracket
o1 VGA ribbon cable attached to a mounting bracket(optional)
qUSB (2 port) cable with bracket (optional)
qInfrared (IrDA) module with ribbon cable (optional)

SQ578
2Key Features
2.1 Product Specification
²Processor: Supports 75-300MHz Pentium family: Intel P54C, Pentium Processors
with MMX Technology (P55C), AMD-K5, AMD-K6 Cyrix 6X86, 6X86L, 6X86MX
and IDT-C6 Processors. The ZIF Socket 7 will support future Pentium Overdrives.
²L2 Cache: Onboard 256KB or 512KB Pipeline Burst SRAM
²SIMM (System Memory): Supports 70ns or faster Extended Data Output (EDO) or
Fast Page (FP) SIMM in four 72-pin SIMM sockets using 4MB, 8MB, 16MB, 32MB
or 64MB for a maximum of 256MB system memory.
²DIMM (System Memory):Supports 66MHz or faster unbuffer 2 or 4 clock 3.3V
DIMM in two 168-pin DIMM sockets using 8, 16, 32, 64 or 128 for a maximum of
256MB system memory.
²Chipset: Features SiS 5598 Pentium Single chip Integrated VGA or SiS 5582
Pentium Single chip without VGA, with a Winbond 83877F/TF super I/O controller
chip.
²Super VGA(option): To provide a compact video and graphics solution for PC based
system, high performance 3-in-1 PCI true-color graphics accelerator with video
accelerate functions, supports DCI Drivers and Direct Draw 3D Drivers, video
overlay for any graphic modes. Real-Magic MPEG API compatible. Supports DDC1
And DDC2B specifications.
²Expansion Slots:Three 32-bit PCI and Four 16-bit ISA expansions slots.
²Super Multi-I/O:Two high-speed UART compatible serial ports and One parallel
port with ECP and EPP compatibility. One FDD header supporting either 5.25“ or 3.5”
(1.2 or 1.44/2.88MB) floppy drives. One IrDA TX/RX infrared port.
²Keyboard and PS/2 Mouse: Onboard Standard AT Keyboard and PS/2 Mouse Port
²PCI bus Master IDE Controller:Onboard dual-channel PCI Bus Master IDE
support 4 IDE devices. This controller supports PIO Mode 3 and Mode 4 with a data
transfer rate up to 17MB per second. An Ultra DMA 33 (UDMA) supports data
transfer rates up to 33 MB per second. Also supports LS120 Floppy Drive.
²Universal Serial Bus (USB):Two standard USB interface supports up to 48MHz and
127 peripheral devices.
²PCI BIOS:Win 95 Plug and Play with Green power saving support, APM 1.2 and
DMI Support.
²Mechanical: Baby AT form factor 220 mm x 270 mm.

SQ578
2.2 Mainboard Layout
16-bit ISA Slot
16-bit ISA Slot
16-bit ISA Slot
16-bit ISA Slot
Floppy Drive Conn.
Secondary IDE Conn
Primary IDE Conn
ZIF Socket 7
Flash BIOS
5598
or
5582
32-bit PCI Slot
32-bit PCI Slot
32-bit PCI Slot
DIMM Socket 2
DIMM Socket 1
SIMM Socket 4
SIMM Socket 3
SIMM Socket 2
SIMM Socket 1
Power Conn
COM2
COM1
KBD
(J1)
PS/2 MOUSE
JP1
J29
J30
J34
JP18
JP2 JP3
JP15
JP16
32K/64K*32
32K/64K*32
JP17
W83877F
/TF (J6)
USB
KEYLOCK
PWR LED
SPEAKER
HDD LED
J33
GR LED
RESET
J32
EXT SMI
JP10
JP11
JP12
JP13
JP14
JP4 JP5
JP6 JP7 JP8 JP9
J31

SQ578 3-1
3Installation Preview
Before you install the SQ578 mainboard into the system chassis you may find it convenient
to first configure the mainboard hardware. This section describes how to configure the
jumper settings, install memory modules, and how to attach the various system components.
Before using your computer you must review the following 7 steps:
1. Jumper settings
2. Installation of DRAM modules (SIMM or DIMM)
3. Installation of the CPU
4. Installation of expansion cards
5. Installation of IDE, I/O, VGA cables(Option) connection., and Power Supply connection
6. Installation of the Power Core to the System.
7. Setup of the system BIOS software
WARNING: When handling the system upgrade or plug in additional Add-On Card, please
be sure your System is Power Off.
3.1 Jumper Settings
You can configure the hardware options by setting jumpers on the mainboard. A jumper is a
set of two or more metal pins in a plastic base attached to the mainboard. A plastic “jumper
cap” with a metal (conductive) plate inside fits over two pins to create an electrical contact
or short between them. This contact establishes a hardware setting and is referred to as a
“closed” jumper setting.
Some jumper have two pins while others may have three or more. Jumpers are sometimes
combined into sets called jumper blocks where all the jumpers in the block must be set
together to establish a hardware setting. In this manual, the jumper settings will be
described graphically using a triangle (s) always marking pin 1. Those jumpers with two
pins will be shown as closed or open. A jumper is closed by placing the plastic jumper cap
over the two jumper pins and is opened by removing the jumper cap. Some jumpers are
oriented vertically and others horizontally with pin 1 marked as (s=P1).

SQ578
3-2
3.1.1 Jumpers, Jumper caps and Jumper blocks
Jumper cap 2-pin jumper 3-pin jumper Jumper block
3.1.2 Setting 3-pin jumpers
Jumper Pins 1 & 2 are closed with a jumper cap
Jumper Pins 2 & 3 are closed with a jumper cap
3.1.3 Setting 2-pin jumpers
This jumper is closed with the jumper cap placed over 2 pins
This jumper is open with the jumper cap removed from the 2 pins
WARNING: Some pins are used for connectors or power sources. These are clearly marked
separately from the jumpers listed in “Mainboard Layout”. Any improper placing of jumper
caps over these connectors will result in damage to your mainboard
3.1.4 Configuration Jumpers
Jumpers
1) JP10, JP11, JP12, JP13, JP14, JP15, JP16 Processor voltage selection
2) JP4, JP5, JP6, JP7, JP8,JP9 Processor/System speed setting
3) JP1 CMOS Selection
4) JP3,JP17(Option) On board VGA Selection
5) JP18 CYRIX LINEAR BURST MODE
Selection
6) JP2 DIMM Vlotage Selection