Preface
IX
Preface
Contents
Introduction ..............................................1-1
Overview .........................................................................................1-1
System Specifications .....................................................................1-2
External Locator - Top View with LCD Panel Open ......................1-4
External Locator - Front & Right side Views .................................1-5
External Locator - Left Side & Rear View .....................................1-6
External Locator - Bottom View .....................................................1-7
Mainboard Overview - Top (Key Parts) .........................................1-8
Mainboard Overview - Bottom (Key Parts) ....................................1-9
Mainboard Overview - Top (Connectors) .....................................1-10
Mainboard Overview - Bottom (Connectors) ...............................1-11
Disassembly ...............................................2-1
Overview .........................................................................................2-1
Maintenance Tools ..........................................................................2-2
Connections .....................................................................................2-2
Maintenance Precautions .................................................................2-3
Disassembly Steps ...........................................................................2-4
Removing the Battery ......................................................................2-5
Removing the Hard Disk Drive .......................................................2-6
Removing the Optical (CD/DVD) Device ......................................2-8
Removing the System Memory (RAM) ..........................................2-9
Removing and Installing the Processor .........................................2-11
Removing the Wireless LAN Module ...........................................2-14
Removing the 3.75G Module ........................................................2-15
Removing the Modem ...................................................................2-16
Removing the Bluetooth Module ..................................................2-17
Removing the LCD Back Cover (for E4121D-C only) .................2-18
Removing the LCD Front Cover ...................................................2-20
Removing the Keyboard ................................................................2-21
Part Lists ..................................................A-1
Part List Illustration Location ........................................................ A-2
Top (E4120 / E4121-C / E4121D-C) ............................................. A-3
Top (E4125) ................................................................................... A-4
Bottom ........................................................................................... A-5
LCD (E4120 / E4121-C) ................................................................ A-6
LCD (E4125) ................................................................................. A-7
LCD (E4121D-C) .......................................................................... A-8
HDD ............................................................................................... A-9
Blu-Ray Combo ........................................................................... A-10
DVD-Super Multi Drive .............................................................. A-11
Schematic Diagrams.................................B-1
System Block Diagram ...................................................................B-2
Clock Generator ..............................................................................B-3
Processor 1/7 ...................................................................................B-4
Processor 2/7 ...................................................................................B-5
Processor 3/7 ...................................................................................B-6
Processor 4/7 ...................................................................................B-7
Processor 5/7 ...................................................................................B-8
Processor 6/7 ...................................................................................B-9
Processor 7/7 .................................................................................B-10
DDRIII SO-DIMM_0 ...................................................................B-11
DDRIII SO-DIMM_1 ...................................................................B-12
LVDS, Inverter .............................................................................B-13
HDMI, CRT ..................................................................................B-14
IBEXPEAK - M 1/9 ......................................................................B-15
IBEXPEAK - M 2/9 ......................................................................B-16
IBEXPEAK - M 3/9 ......................................................................B-17
IBEXPEAK - M 4/9 ......................................................................B-18
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