Gigabyte GA-8S655FX Ultra, User Manual, Page: 9 / 128

Introduction - 5 -
English
Chapter 1 Introduction
to be continued......
Features Summary
Form Factor
—
30.5cm x 24.4cm ATX size form factor, 4 layers PCB.
CPU
—
Socket 478 for Intel
®
Micro FC-PGA2 Pentium
®
4 processor
—
Support Intel
®
Pentium
®
4 (Northwood) processor
—
Support Intel
®
Pentium
®
4 Processor with HT Technology
—
Intel Pentium
®
4 800/533/400 MHz FSB
—
2nd cache depends on CPU
Chipset
—
SiS 655FX Host/Memory controller
—
SiS 964 MuTIOL Media I/O
Memory
—
4 184-pin DDR DIMM sockets
—
Supports Dual channel DDR400/DDR333/DDR266 DIMM
—
Supports 128MB/256MB/512MB/1GB unbuffered DRAM
—
Supports up to 4GB DRAM (Max)
(Note 1)
I/O Control
—
IT8705
Slots
—
1 AGP slot supports 8X/4X mode
—
5 PCI slot supports 33MHz & PCI 2.3 compliant
On-Board IDE
—
2 IDE controllers provides IDE HDD/CD-ROM (IDE1, IDE2) with
PIO, Bus Master (Ultra DMA33/ATA66/ATA100/ATA133)
operation modes
—
IDE3
(
j
)
and IDE4
(
j
)
compatible with RAID,
Ultra ATA133/100, IDE
On-Board Peripherals
—
1 Floppy port supports 2 FDD with 360K, 720K,1.2M, 1.44M
and 2.88M bytes.
—
1 Parallel port supports Normal/EPP/ECP mode
—
2 Serial ports (COMA&COMB)
—
8 USB 2.0/1.1 ports (4 x Rear, 4 xFront by cable)
—
3 IEEE1394 ports (by cable)
—
1 Front Audio Connector
—
1 IrDA connector for IR
Hardware Monitor
—
CPU/System Fan Revolution detect
—
CPU temperature detect
—
System Voltage detect
j
For GA-8S655FX Ultra only.
(Note 1) Due to standard PC architecture, a certain amount of memory is reserved for system
usage and therefore the actual memory size is less than the stated amount.
For example, 4 GB of memory size will instead be shown as 3.xxGB memory during
system startup.