1
Electronic Emission Notices
Federal Communications Commission (FCC) Statement
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 and, if not installed and used in
accordance with instructions contained in this manual, may cause harmful interference
to radio and television communications. However, there is no guarantee that interference
will not occur in a particular installation.
If this equipment does cause harmful 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 RELOCA TE THE RECEIVING ANTENNA
- INCREASE THE SEP ARATION BETWEEN THE EQUIPMENT AND THE RECEIVER
- CONNECT THE EQUIPMENT INTO AN OUTLET ON A CIRCUIT DIFFERENT FROM
THA T OF THE RECEIVER
- CONSUL T THE DEALER OR AN EXPERIENCED AUDIO/TELEVISION TECHNICIAN
NOTE: Connecting this device to peripheral devices that do not comply with Class B
requirements, or using an unshielded peripheral data cable, could also result
in harmful interference to radio or television reception.
The user is cautioned that any changes or modifications not expressly approved
by the party responsible for compliance could void the user’s authority to operate
this equipment.
To ensure that the use of this product does not contribute to interference, it is
necessary to use shielded I/O cables.
Copyright
This manual is copyrighted with all rights reserved. No portion of this manual may be copied or
reproduced by any means.
While every precaution has been taken in the preparation of this manual, no responsibility for errors
or omissions is assumed. Neither is any liability assumed for damages resulting from the use of the
information contained herein.
Trademarks
All brand names, logos and registered trademarks mentioned are property of their respective owners.
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Technical Reference Booklet
Table of Contents
HARDWARE CONFIGURATION ............................................................................ 3
Motherboard Layout (Model Code No. - 35881100) .................................................. 6
Jumper Settings .......................................................................................................... 7
JP1, JP2, JP3, JP4, JP5, JP6, JP8 - CPU Type Selection...................................... 7
JP1 1, JP12, JP13, JP14, JP16 - Power Selection for the CPU Core-V oltage,
Bus Section and Bus-Voltage .............................................................................. 8
JP25, JP26, JP27, JP28 - DIMM Voltage Selection............................................... 9
JP9 - CMOS Clear................................................................................................. 9
JP36, JP37 - Reserved Jumpers ......................................................................... 9
JP45, JP46, JP47 - VGA Port Select.................................................................... 9
Memory Configuration ................................................................................................ 10
Installation ................................................................................................................... 11
Installing a DRAM Module..................................................................................... 11
Installing the Processor (CPU) ............................................................................. 11
BIOS SETUP ............................................................................................... 1 2
Starting Setup .............................................................................................................. 12
Main Menu.................................................................................................................... 12
Standard CMOS Setup ................................................................................................ 14
BIOS Features Setup................................................................................................... 15
Chipset Features Setup............................................................................................... 15
Integrated Peripherals ................................................................................................. 15
Supervisor/User Password Setting ............................................................................ 15
Power Management Setup.......................................................................................... 1 6
PNP/PCI Configuration Setup ....................................................................................... 16
Flash Update Procedure ............................................................................................. 1 6
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Hardware Setup
HARDWARE CONFIGURATION
Introduction :
The SIS5598 Pentium PCI Motherboard provides the best cost-effective solution
with an integrated high-performance DRAM-based Graphics/Video Accelerator. The
main board supports a wide variety of memory configuration. The other features on
board include VGA controller, Super-I/O, PCI bus master IDE with Ultra DMA protocol,
PCI ver2.1 compliant, USB, LM79/75 system monitoring (Optional) .
Motherboard PCB :
• 4-layer, Baby-AT type design.
• PCB dimensions : 220mm x 235mm (to be revised).
• Utilization of SMD components on chipset, discrete components and logic IC’s.
The CPU :
• Support Intel Pentium Processors at 75, 90, 100, 120, 133, 150, 166,180, 200
and 233 Mhz.
• Support Intel P55C (MMX).
• Support Cyrix 6X86, 6X86L, 6X86MX and AMD K5,K6 processors.
• Selective CPU bus speeds of 50 / 55 / 60 / 66 / 75 MHz.
• Design with Intel Socket 7 for CPU upgradability.
• Split power-plane design for CPU (One switching regulator for core plane;
One linear regulator for I/O plane).
Optional External Cache :
• Direct mapped L2 write back cache.
• 256KB or 512KB on-board Synchronous Pipelined Burst cache.
Cache Size Data RAM Tag RAM Cacheable
Fast Size
256 KB on-board 2 pcs of 32 K x 32 8K x 8 64 MB
512 KB on-board 2 pcs of 64 K x 32 16/32 K x 8 128MB
or 1 pcs of 64 K x 64
The System Memory :
• 64-bit DRAM with total size range from 4MB to 384MB.
• A total of four 72-pin SIMM sockets and two 168-pin DIMM sockets.
• Different banks can use different types of DRAM.
• Parity check is not supported.
• Support for Auto Detection of Memory Type.
1.
SIMMs
• Support both single and double sided 256K, 512K, 1M, 2M, 4M, 8M and 16M
x32 SIMMs
• Support symmetrical and asymmetrical type DRAM.
• Support 5V Page Mode and Extended Data Output(EDO) DRAM types at 60ns
or 70ns speeds
• Support half populated bank(32-bit).
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Technical Reference Booklet
2. DIMMs
• Support both single and double sided 1M, 2M, 4M, 8M, 16M and 32Mx64 DIMMs.
• Support SDRAM or EDO DRAM types.
• Support 3.3V or 5V DRAM voltage by jumpers
On-Board I/O :
• Two enhanced IDE channels supporting up to four ATA, ATA2 and Ultra DMA-33
IDE devices including IDE HDDs, CD ROMs, ZIP drives and LS-120 drives as
boot drive.
• Bus mastering Ultra DMA-33 IDE function enhances multitasking performance.
• One FDD connector supporting two 360KB, 720KB, 1.2MB or 1.44MB or 2.88MB
FDD’s.
• Two 16550 compatible UART serial ports.
• One ECP/EPP Bi-directional parallel port.
• One IrDA/ASKIR infrared interface.
• PS/2 mouse interface is provided by a 5-pin header.
• Factory option to have one standard AT keyboard port or one PS/2 keyboard
port (not both).
• A 4x2 pins USB header for installation of USB cable assembly.
• One 8X2 pins header for VGA port connector.
Built-in VGA Controller :
1. Interface
• Support 32-bit PCI revision 2.1.
• support direct access to video memory to speed up GUI performance and the
video playback frame rate.
2. Memory
• Shared System Memory Area 0.5MB, 1MB, 1.5MB, 2MB, 2.5MB, 3MB, 3.5MB,
4MB. User configurable in BIOS setup.
3. Graphic Acceleration
• Support Turbo Queue (Software Command Queue in off-screen memory)
architecture to achieve extra-high performance.
• Built-in an enhanced 64-bit BITBLT graphics engine.
• Support Memory-mapped I/O.
4. Video Acceleration
• Support full motion video playback up to 1024x768 256 colors in 1MB DRAM
configuration.
• Support graphics/video overlay function.
• Support YUV-to-RGB color space conversion.
• Support DCI and Direct Draw Drivers.
• Built-in 64x16 video capture FIFOs to support video capture.
5. Power Management
• Support VESA DPMS (Display Power Management Signaling) .
• Meet ACPI requirements.
• Support DDC1 and DDC2B specifications.
6. Others
• Follows the plug & play specification for display controller.
• Support virtual screen up to 2048X2048.
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• Support high resolution graphic modes:
— 640X480 16/256/32K/64K/16M colors NI
— 800X600 16/256/32K/64K/16M colors NI
— 1024X768 16/256/32K/64K/16M colors NI
— 1280X1024 16/256 colors NI, 32K/64K colors interlace only
System BIOS :
• The BIOS is integrated in 1M flash EEPROM.
• 2M flash EEPROM is supported for future upgrade.
• Jumper selection for 5V or 12V EEPROM programming voltage.
• Support LBA hard disks with capacities up to 8.4GB.
• Support plug and play and power management (described in other sections ).
• DMI support.
• Easy to upgrade BIOS by end-user.
Plug and Play :
• Support PnP specification 1.1.
• PC97-compliant.
• PnP for DOS, Windows 3.x as well as Windows 95.
• Full steerable PCI interrupts.
Power Management :
• Support SMM, APM and ACPI.
• Support auto display off and hard disk standby mode.
• Activity monitoring for non-APM power management.
• Support external suspend/resume push-button.
• Comply to the Energy Star “Green PC” program.
• Support Wake up to Modem Ring-in and Wake-on-LAN.
• Support ATX power supply via a transfer wire (Optional).
• Support Thermal Detection(Optional).
Expansion Slots :
• Three PCI slots, all supporting bus master PCI cards.
• Three ISA slots.
PC 97
• PC97 ready.
System monitoring (optional)
• LM79/75 hardware monitoring circuitry is supported, provides voltages,
temperature, fan seeds etc. monitoring.
Other Performance Enhancements
• Support CPU address pipelining to speed up memory transactions.
• Allow burst memory read/write on CPU and PCI buses.
• Full transaction concurrency between CPU and PCI buses.
• Integrated post-write buffers and read-prefetch buffers at CPU/DRAM, CPU/
PCI, PCI/DRAM interface.
• Support I2C serial bus.
Hardware Setup
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