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1
Introducing the Motherboard
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing 865-M7 motherboard of great performance and with enhanced
function. 865-M7 motherboard carries a Micro-ATX form factor of 244 x 244 mm. This
motherboard is a high performance, enhanced function motherboard that supports LGA775
socket for the latest Intel Pentium 4/Celeron processors for high-end business or personal
desktop markets.
The motherboard incorporates the 865GV Northbridge (NB) and ICH5 Southbridge (SB)
chipsets. The Northbridge supports a Front Side Bus (FSB) frequency of 800/533MHz
using a scalable FSB VCC_CPU. The memory controller supports DDR memory DIMM
frequencies of 400/333/266MHz. It supports four DDR SDRAM up to maximum memory
of 4GB. DDR Maximum memory bandwidth of 3.2GB/s in single-channel mode (DDR400)
and 6.4GB/s in dual-channel mode (DDR400) are supported. One AGP Express slot is used
to installed an AGP graphics card that emulates the AGP function.
The ICH5 Southbridge supports three PCI slots which are PCI 2.3 compliant. This
motherboard accommodates eight USB 2.0 ports for serial transfers at 480Mb/s (four
ports at the rear I/O & two headers onboard). This motherboard complies with AC’97 2.3
CODEC and supports up to six channels of PCM audio output (full AC3 decode). Two
onboard IDE connectors support 4 IDE devices in ATA-100/66/33 mode. The Southbridge
integrates two Serial ATA host controllers that are SATA v1.0 compliant, supporting two
SATA ports with maximum transfer rate up to 150MB/s each. One optional CNR slot
allow users to insert CNR cards with Modem and Audio functionality.
There is an advanced full set of I/O ports in the rear panel, including PS/2 mouse and
keyboard connectors, COM1, LPT1, VGA port, and four USB ports, one optional 1394a
port, one optional LAN port, and audio jacks for microphone, line-in, and line-out. In
addition to its excellent performance and stability, the motherboard is highly suited for
surfing the Internet and for rich multimedia applications, including streaming video down-
load and are ideal for workstations and high-end home use.