Introduction; Table 1. Conventions And Terminology - Intel 855GM Design Manual

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Introduction

This design guide provides Intel's design recommendations for the Intel 855GM/855GME chipset based
systems. The guidelines have been developed to ensure maximum flexibility for board designers while
reducing the risk of board related issues.

Table 1. Conventions and Terminology

Convention/Terminology
AC
AMC
Anti-Etch
ASF
BER
FSB
CMC
EMI
ESD
FS
FWH
HS
ICH4-M
Intel Pentium M
LCI
LOM
LPC
LS
MC
Montara-GM
Montara-GM+
GMCH
PCM
PLC
RTC
PWM
SMBus
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Intel 855GM/855GME Chipset Platform Design Guide
Definition
Audio Codec
Audio/Modem Codec
Any plane-split, void or cutout in a VCC or GND plane is referred to as an anti-etch
Alert Standards Format
Bit Error Rate
Intel Pentium M/ Pentium M on 90 nm Process with 2 MB L2 Cache/Celeron M Front
Side Bus –Processor to GMCH interface.
Common Mode Choke
Electro Magnetic Interference
Electrostatic Discharge
Full Speed – Refers to USB 1.1 Full Speed
Firmware Hub – A non-volatile memory device used to store the system BIOS.
High Speed – Refers to USB 2.0 High Speed
I/O Controller Hub Fourth Generation – Mobile (82801DBM)
Refers to the Intel Pentium M Processor and Intel Pentium M Processor on 90 nm
Process with 2 MB L2 Cache. This document refers to both processors as the Intel
Pentium M Processor unless explicitly specified
LAN Connect Interface
LAN on Motherboard
Low Pin Count
Low Speed – Refers to USB 1.0 Low Speed
Modem Codec
Intel 852GM Chipset GMCH
Intel 852GME Chipset GMCH
Graphics Memory Controller Hub – Applies to both Intel855GM / Intel 855GME
Pulse Code Modulation
Platform LAN Connect
Real Time Clock
Pulse Width Modulation
System Management Bus – A two-wire interface through which various system
Introduction
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