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Acer TravelMate 2500 TravelMate 2000/2500 Service Guide - Page 29

LAN Interface, Modem Interface, Floppy Disk Drive Interface, Memory Combinations

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Memory Combinations 512MB Slot 1 128MB Slot 2 Total Memory 640MB 256MB 128MB 512MB 256MB 512MB 0MB 512MB 512MB 256MB 128MB 512MB 512MB 768MB 640MB 768MB 384MB 1024MB 512MB Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. LAN Interface Item Chipset Supports LAN protocol LAN connector type LAN connector location RealTek 8100C 10/100Mbps RJ45 Rear side Specification Modem Interface Chipset Item Fax modem data baud rate (bps) Data modem data baud rate (bps) Supports modem protocol Modem connector type Modem connector location Specification International Agere LU97 chipset (Scorpio+CSP1037B)--chipset on modem board Built-in ATI IXP150--controller on the main board 14.4K 56K V.90/V.92MDC RJ11 Rear side Floppy Disk Drive Interface Item Vendor & model name Floppy Disk Specifications Media recognition Sectors/track Tracks Data transfer rate (Kbit/s) Rotational speed (RPM) Read/write heads Encoding method Power Requirement Input Voltage (V) Mitsumi D353G 4515 MCI JU-226A033FC 2DD (720KB) 9 80 1 MB 300 2 MFM +5V Specification 2HD (1.2 MB, 3 mode) 15 80 1.6 MB 2HD (1.44MB) 18 80 2 MB 360 300 Chapter 1 21

Section	Page
TravelMate 2000/2500	1
Revision History	2
Copyright	3
Conventions	4
Preface	5
Table of Contents	8
Ch.1 System Introduction	9
Features	9
System Block Diagram	11
Board Layout	12
Top View	12
Bottom View	13
Panel	14
Front Panel	14
Left Panel	15
Right Panel	16
Rear Panel	17
Bottom Panel	18
Indicators	19
Understanding the icons	20
Keyboard	21
Special keys	21
Hot Keys	24
Hardware Specifications and Configurations	27
Ch.2 System Utilities	42
BIOS Setup Utility	42
Navigating the BIOS Utility	43
Information	44
Main	45
Advanced	47
Security	49
Boot	53
Exit	54
BIOS Flash Utility	55
Ch.3 Machine Disassembly and Replacement	56
General Information	57
Before You Begin	57
Disassembly Procedure Flowchart	58
Removing the Battery	60
Removing the Memory Module	61
Removing the Wireless LAN Board and the Modem Board	62
Removing the Hard Disk Drive Module	63
Disassembling the Hard Disk Drive Module	63
Removing the LCD Module	64
Removing the Middle Cover	64
Removing the Launch Board	64
Removing the LCD Module	65
Disassembling the LCD Module	67
Removing the LCD Bezel	67
Removing the Inverter Board (15” LCD)	67
Removing the 15” TFT LCD	68
Removing the LCD Brackets	68
Removing the LCD Coaxial Cable	69
Removing the LCD Hinges	69
Disassembling the Main Unit	71
Removing the Keyboard	71
Removing the RTC Battery	71
Removing the Fan	71
Removing the Thermal Module	72
Removing the Processor	72
Installing the Processor	73
Removing the Upper Case Assemly	73
Removing the Touchpad Board	74
Removing the Touchpad Cable	74
Removing the VGA Thermal Plate	75
Removing the CPU Heatsink Plate	75
Removing the Second Fan Bracket	76
Removing the ODD Module(1)	76
Removing the ODD Module(2)	76
Removing the HDD Bracket	77
Removing the Main Board	77
Removing the DC Board	78
Removing the I/O Port Bracket	78
Removing the PCMCIA Slot	79
Removing the Speaker Set	80
System Upgrade Procedure	81
Base Unit to Wireless Unit	81
Ch.4 Troubleshooting	82
System Check Procedures	83
External Diskette Drive Check	83
External CD-ROM Drive Check	83
Keyboard or Auxiliary Input Device Check	83
Memory check	84
Power System Check	84
Touchpad Check	86
Power-On Self-Test (POST) Error Message	87
Index of Error Messages	88
Index of Symptom-to-FRU Error Message	91
Intermittent Problems	94
Undetermined Problems	95
How to Build NAPP Master Hard Disc Drive	96
CD to Disk Recovery	96
Disk to Disk Recovery	99
Ch.5 Jumper and Connector Locations	104
Top View	104
Bottom View	105
Ch.6 FRU (Field Replaceable Unit) List	106
TravelMate 2000_2500 Exploded Diagram	107
App.A Model Definition and Configuration	118
Model Name Definition	118
App.B Test Compatible Components	120
Microsoft(R) Windows(R) XP Environment Test	121

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