Owner manual
2
Introducing the Motherboard
Features
Processor
This motherboard uses a 479-pin socket that carries the following features:
• Accommodates Intel Pentium M/Celeron processors
• Supports a system bus (FSB) of 400 MHz
Intel’s 855GME/852GM Northbridge (NB) and ICH4M Southbridge (SB) chipsets
are based on an innovative and scalable architecture with proven reliability and
performance.
855GME/
852GM(NB)
• Supports DDR-SDRAM at 333/266/200MHz Operation
(852GM supports DDR266/200MHz only)
• Supports Host dynamic bus inversion (DBI)
• AGTL+bus driver technology with integrated AGTL termi-
nation resistors and low voltage operation
• Supports Internal Graphics Features with up to 64 MB of
Dynamic Video Memory allocation
Chipset
ICH4M(SB)
• Compliant with PCI 2.2 specification at 33MHz
• Integrated LAN controller
• Supports AC’97 2.3 specification
• USB host interface supporting 6 USB ports; 3 UHCI host
controllers and 1 EHCI high-speed USB 2.0 Host controller
• Supports up to two Ultra DMA100/66/33 IDE channels
• ACPI Power Management Logic support
Memory
• Supports DDR 333/266 DDR SDRAM DIMMs (only 855GME
supports)
• Supports 128-Mb, 256-Mb and 512-Mb SDRAM technolo-
gies providing maximum capacity of 1GB with X16 de-
vices and up to 2GB with high density 512-Mbit technol-
ogy
• Video Stream Decoder, which supports for standard definition DVD
quality encoding at low CPU utilization
• Analog Display Support with 350 MHz integrated 24-bit RAMDAC
• High quality performance Texture Engine
Graphics
AC’97 Audio CODEC
• Compliant with the AC’97 v2.3 CODEC
• Supports 6-channel audio CODEC designed for PC multimedia sys-
tems
• Provides three analog line-level stereo inputs with 5-bit volume con-
trol: Line-in, CD, AUX
• Meets Microsoft WHQL/WLP 2.0 audio requirements










