System Memory

Item

 

Specification

 

 

 

Feature

•

The GMCH system memory controller directly supports one or two

 

 

channels of memory (each channel consisting of 64 data lines).

 

•

DDRII memory 533/667/800MHz support

 

•

I/O voltage of 1.8V for DDRII

 

•

Only unbuffered DIMMs support

 

•

Max. memory bandwidth of 6.4GB/s in single channel or dual channel

 

 

asymmetric mode, or 12.8GB/s in dual channel interleaved mode

 

 

assuming DDRII 800MHz

 

•

Four banks for all DDRII devices up to 512MB density support, eight

 

 

banks for 1GB DDRII devices

 

•

Using 256MB technology, min. 128MB memory capacity, assuming single

 

 

channel mode

 

•

Using 1GB technology dual channel interleaved mode, max. 8GB

 

 

memory capacity

 

•

Max. 8GB DRAM address decode space

 

•

Up to 32 simultaneous open pages per channel support (assuming four

 

 

banks of eight bank devices)

 

•

Improved flexible memory architecture

 

 

 

Super I/O

Item

 

Description

 

 

Chip

ITE IT8718DX

 

 

 

Feature

•

Meets LPC specification 1.0

 

•

PS/2 keyboard and PS/2 mouse support

 

•

Up to four 3.5” disk drives support

 

•

Two serial ports, one EPP/ECP parallel port support

 

•

Three fans support (including fan speed control, speed monitoring

 

 

inputs)

 

•

IrDA 1.0 SIR protocol with maximum baud rate up to 115.2K bps

 

•

Hardware monitor support

 

 

 

USB Interface

Item

 

Description

 

 

Chip

ICH8DH

 

 

 

Feature

•

Eight USB 2.0 ports support

 

•

Dual stack with RJ-45 back panel connector

 

•

Dual stack with 1394 connector in rear side

 

•

Two header supporting two USB ports for front panel cabling

 

 

 

Chapter 1

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Image 29
Acer E700 manual System Memory, Super I/O, USB Interface