Introduction; Generation Description; General Description - TRIGEM Micro-ATX Hardware Document

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I.

Introduction

The Anaheim2A Micro ATX motherboard offers a time to market consumer and corporate desktop
solution featuring the Intel Celeron PPGA or FC-PGA processor with 66/100MHz front side bus and the Whitney
chipsets in a Micro ATX low profile motherboards. In addition, the integrated onchip graphics controller supports
4MB of SDRAM purpose of Display cache memory.
The Anaheim2A motherboard was designed to be highly minimized system cost. In this effort, a smaller
form factor, Micro-ATX, gives the greater space economy and more affordable systems. Integrating onchip graphics
controller and SDRAM, as well as AC'97 audio solution with AC97 Codec onto the motherboard eliminates the
need for more expensive graphic and audio add-in cards. The end result is a system platform with a primary
component level of integration with translates into affordable solution for entry level users.

1. General description

Motherboard
• Small PCB size in the Micro ATX form factor (ATX V1.2 form factor)
• 238mm * 238mm * 1.6t (4 Layers)
Processor
• Intel Socket-370 (Socket-370)
Intel Celeron 300/333/366/400/433/466/500/533MHz processor(PPGA-Type)@66MHZ Host clock
-
- Intel Celeron Coppermine 566/600MHz processor (FC-PGA Type) @66MHZ Host clock
- Intel TBD
• Cyrix Socket-370 (370pin PPGA Socket)
- Cyrix Goby TBD
Main Chipset
• Graphics and Memory Controller Hub (GMCH)
• I/O Controller Hub (ICH)
• PCI Audio
• Audio Codec
• Super I/O
• DC-DC Converter
• Clock
Memory Configuration
• System Memory
- Two banks of 3.3V SDRAM (168pin unbuffered DIMM) with max 256MB
- SDRAM operation in 100MHz front side bus
• Display Cache Memory (option)
- Two 1M*16 3.3V SDRAM (4MB)
- SDRAM operation in 100MHz
• Flash Memory
- Intel N82802AB, 4Mb PLCC Type
- Firm Ware Hub (FWH) Interface for platform operation
- Address/Address Multiplexed Interface for programming during manufacturing
I/O Feature
• Integrated standard I/O functions in the rear side
- One multi-mode parallel port
- One FIFO serial ports and optional port by header type
- PS/2 styles keyboard and mouse port
- One USB port
- Three audio jack for Speaker output, Line input and MIC input
• Integrated standard I/O functions in the front side (Factory Option for eMachines)
- One Joystick port
- One USB port
• I/O Controller (IT8702)
- Low Pin Count (LPC) interface with Host controller (ICH)
- FDC, Parallel, Serial, keyboard/Mouse supported
TriGem Computer Inc.
@100MHZ Host clock
@66MHZ Host clock
: Intel FW82810-DC100 / FW82810
: Intel FW82801AA
: Cirrus CS4281
: Cirrus CS4297A-JQ
: ITE IT8702F-A
: HARRIS HIP6021CB
: ICS 9250BF-10 (66/100MHz host clock,
100Mhz SDRAM Clock support)
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Hardware Document
Board Development Team
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