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Acer Aspire M3985 Acer Aspire M3985 Desktop Service Guide - Page 120

Keyboard LITE-ON SK-9611 PS/2 Black Swiss/FR, Keyboard PRIMAX KBRF36211 RF2.4 Black UK

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Category Chapter 6 Part Number Acer P/N Keyboard LITE-ON SK-9611 PS/2 Black Swiss/FR with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black Korean with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black Spanish Latin with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black US with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Traditional Chinese with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Simplified Chinese with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black US International with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Arabic/English with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Thailand with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Spanish with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Portuguese with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Canadian French with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Brazilian Portuguese with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Japanese with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black German with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Italian with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black French with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Swedish with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black UK with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Dutch with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Swiss/G with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black Belgium with new acer logo KB.PS20B.196 KB.PS20B.197 KB.PS20B.198 KB.RF40P.144 KB.RF40P.145 KB.RF40P.146 KB.RF40P.147 KB.RF40P.148 KB.RF40P.149 KB.RF40P.150 KB.RF40P.151 KB.RF40P.152 KB.RF40P.153 KB.RF40P.154 KB.RF40P.155 KB.RF40P.156 KB.RF40P.157 KB.RF40P.158 KB.RF40P.159 KB.RF40P.160 KB.RF40P.161 KB.RF40P.162 Exploded Diagram Item 112

Section	Page
Aspire M3985 Service Guide	1
Revision History	2
Copyright	3
Disclaimer	4
Conventions	5
Table of Contents	7
System Tour	9
Features	9
Block Diagram	13
System Components	14
Front Panel	14
Rear Panel	15
Hardware Specifications and Configurations	16
Power Management Function(ACPI support function)	20
System Utilities	21
CMOS Setup Utility	21
Entering CMOS setup	22
Navigating Through the Setup Utility	22
Setup Utility Menus	23
Main	23
Advanced	24
Power	29
Security	30
Boot Options	31
Exit	32
System Disassembly and Assembly	33
Disassembly Requirements	33
Pre-disassembly Procedure	34
Removing the Side Panel	35
Removing the Front Bezel	36
Removing the Heat Sink Fan Assembly	37
Removing the Processor	39
Removing the VGA Card	41
Removing the Hard Disk Drive	43
Removing the Optical Drive	45
Removing the System Fan	47
Removing the Power Supply	49
Removing the Memory Modules	51
Removing the Mainboard	52
Removing the Top Cover	55
Removing the Power Switch and LED Cable Assembly	57
Removing the Card Reader	58
Removing the Top USB and Audio I/O Assembly	59
Assembly Requirements	61
Assembly Procedure	62
Reinstalling the Processor	63
Reinstalling the Memory	64
Removing the Side Panel	65
Removing the Cage of Hard Disk Drive	66
Removing the PCI Cover	67
Reinstalling the Power Supply	68
Reinstalling the I/O Shielding	69
Reinstalling the MainBoard	70
Reinstalling the Optica Drive	72
Reinstalling the Hard Disk Drive	74
Reinstalling the VGA Card	76
Reinstalling the System Fan	78
Reinstalling the Heat Sink Fan Assembly	79
Reinstalling the Front Bezel	81
Reinstalling the Side Panel	83
System Troubleshooting	84
Hardware Diagnostic Procedure	84
System Check Procedures	85
Power System Check	85
System External Inspection	85
System Internal Inspection	85
Beep Codes	86
Checkpoints	87
Viewing BIOS checkpoints	87
Bootblock Initialization Code Checkpoints	87
Bootblock Recovery Code Checkpoints	89
BIOS Recovery	90
Jumper and Connector Information	93
M/B Placement	93
Jumper Setting	95
Internal header pin definition	98
Connector pin definition	101
FRU (Field Replaceable Unit) List	106
Aspire M3985 Exploded Diagram	107

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