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Acer TravelMate 660 TravelMate 660 Service Guide - Page 35

Video Resolutions Mode for both LCD and CRT, Video Memory, Parallel Port, USB Port, Audio Interface - bios

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Audio Interface Item Sampling rate Internal microphone Internal speaker / Quantity Supports PnP IRQ Specification 44,1 KHz (48K byte for AC97 interface) Yes Yes/2 IRQ10 Video Resolutions Mode (for both LCD and CRT) Resolution 480x600 800x600 1024x768 1152x864 1280x1024 1400x1050 (SXGA+panel only) 16 bits (High color) Yes Yes Yes Yes Yes Yes 32 bits (True color) Yes Yes Yes Yes Yes Yes Video Memory Item Chipset Memory size Interface UMA-System memory Default 16M(Adjust) DDR Specification Parallel Port Item Parallel port controller Number of parallel port Location Connector type Parallel port function control Supports ECP/EPP/Bi-directional/Output only (PS/2 compatible) Optional ECP DMA channel (in BIOS Setup) Optional parallel port I/O address (in BIOS Setup) Optional parallel port IRQ (in BIOS Setup) Specification SIO PC87391 1 Rear side 25-pin D-SUB Enable/Disable/Auto (BIOS or operating system chooses configuration) by BIOS Setup Note: Depending on your operating system, disabling an unused device may help free system resources for other devices. Yes (set by BIOS setup) Note: When Mode is selected as EPP mode, "3BCh" will not be available. DMA channel 3 378h, 278h, 3BCH IRQ7, IRQ5 USB Port Item Chipset USB Compliancy Level ICH4-M 2.0 Specification Chapter 1 27

Section	Page
Acer TravelMate 660	1
Revision History	2
Table of Contents	7
Ch.1 System Specifications	9
Features	9
System Block Diagram	11
Board Layout	12
Top View	12
Bottom View	13
Outlook View	14
Front Open View	14
Front Panel	15
Left Panel	16
Right Panel	17
Rear Panel	18
Bottom Panel	19
Indicators	20
Lock Keys	21
Embedded Numeri c Keypad	22
Windows Keys	23
Hot Keys	24
The Euro Symbol	26
Launch Keys	27
E-mail Detection	27
Touchpad	29
Touchpad Basics	29
Hardware Specifications and Configurations	31
Ch.2 System Utilities	41
BIOS Setup Utility	41
Navigating the BIOS Utility	42
Info.	43
Main	44
System Devices	46
Security	47
Boot	51
Exit	52
BIOS Flash Utility	53
Ch.3 Machine Disassembly and Replacement	55
General Information	56
Before You Begin	56
Disassembly Procedure Flowchart	57
Removing the Battery Pack	60
Removing the Optical Module/HDD Module/Wireless Lan Card and LCD module	61
Removing the Optical Module	61
Removing the HDD Module	61
Removing the Wireless LAN Card	61
Removing the LCD Module	62
Disassembling the Main Unit	63
Remove the function key board and the keyboard	63
Separate the main unit into the logic upper and the logic lower assembly	63
Disassembling the logic upper assembly	64
Disassembling the logic lower assembly	65
Disassembling the LCD Module	67
Disassembling the External Modules	69
Disassembling the HDD Module	69
Disassembling the Optical Drive Module	69
Ch.4 Troubleshooting	71
System Check Procedures	72
External Diskette Drive Check	72
External CD-ROM Drive Check	72
Keyboard or Auxiliary Input Device Check	72
Memory check	73
Power System Check	73
Touchpad check	74
Power-On Self-Test (POST) Error Message	75
Index of Error Messages	76
Index of Symptom-to-FRU Error Message	78
Intermittent Problems	82
Undetermined Problems	83
Ch.5 Jumper and Connector Locations	85
Top View	85
Bottom View	87
Ch.6 FRU (Field Replaceable Unit) List	89
Exploded Diagram	90
App.A Model Definition and Configuration	100
TravelMate 660 Series	100
Microsoft® Windows® XP Pro Environment Test	102
Microsoft® Windows® 2000 Environment Test	106
App.C Online Support Information	111

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