1
Introducing the Motherboard
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the 761GXM-M motherboard. This motherboard is a high perfor-
mance, enhanced function motherboard that supports Socket AM2 for AMD Athlon 64 FX/
Athlon 64 X2 Dual-Core/Athlon 64/Sempron processors for high-end business or personal
desktop markets.
The motherboard incorporates the SiS761GX Northbridge (NB) and SiS966(L) Southbridge
(SB) chipsets. The SiS761GX Northbridge on this motherboard features the HyperTranport
TM
complaint bus driver technology to support AMD Athlon 64 FX/Athlon 64 X2 Dual-Core/
Athlon 64/Sempron processors up to 2000 MT/s data rate.
The Northbridge supports
integrated Host-to-PCI Express Bridge, compliant with PCI Express Spec. 1.0a.
Plus, SiS
MuTIOL, a high bandwidth and mature technology, is incorporated to connect SiS761GX
and SiS966(L) MuTIOL Media I/O together.
The SiS966(L) Southbridge on this motherboard supports Hi-Precision Event Timer (HPET)
for Microsoft Windows with multiple DMA bus architecture that supports isochronous
request and continuous packet transmission. It implements an EHCI compliant interface
that supports up to eight USB 2.0 ports,
and integrates AC’97 v2.3 compliant audio
controller that features a 6-channel audio speaker outputs.
The Southbridge integrates a
Serial ATA host controller that is SATA v1.0a compliant, and supports 1.5Gb/s bandwidth
for each serial port.
It provides dual independent IDE channels and each of them supports
PIO mode 0, 1, 2, 3, 4 and multiword DMA mode 0, 1, 2 and UltraDMA 133/100/66.
There is an advanced full set of I/O ports in the rear panel, including PS/2 mouse and
keyboard connectors, COM1, LPT, one VGA port and four USB ports, one optional LAN
port, one optional 1394a port, and audio jacks for microphone, line-in, and line-out. This
motherboard is designed in a Micro ATX form factor using a four-layer printed circuit board
and measures 244 mm x 234 mm.