Service manual

Preface
IX
Preface
Contents
Introduction ..............................................1-1
Overview .........................................................................................1-1
System Specifications .....................................................................1-2
External Locator - Top View with LCD Panel Open ......................1-5
External Locator - Front & Left Side Views ...................................1-6
External Locator - Right Side & Rear Views ..................................1-7
External Locator - Bottom View .....................................................1-8
Mainboard Overview - Top (Key Parts) .........................................1-9
Mainboard Overview - Bottom (Key Parts) ..................................1-10
Mainboard Overview - Top (Connectors) .....................................1-11
Mainboard Overview - Bottom (Connectors) ...............................1-12
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 Modem .....................................................................2-8
Removing the Wireless LAN ..........................................................2-9
Removing the System Memory (RAM) ........................................2-10
Removing the Optical (CD/DVD) Device ....................................2-12
Removing the Processor ................................................................2-13
Removing the Keyboard ................................................................2-15
Part Lists ..................................................A-1
Part List Illustration Location ........................................................A-2
Top (M375E) .................................................................................. A-3
Bottom (M375E) ............................................................................A-4
LCD (M375E) ................................................................................ A-5
Card Reader (M375E) .................................................................... A-6
CD-ROM Drive - QSI-TEAC (M375E) ........................................ A-7
CD-RW Drive - TEAC (M375E) ................................................... A-8
Combo Drive - TEAC (M375E) .................................................... A-9
DVD-ROM Drive - TEAC-TOSHIBA (M375E) ........................ A-10
DVD-RW Drive - TOSHIBA (M375E) ....................................... A-11
Schematic Diagrams................................. B-1
System Block Diagram ...................................................................B-2
Socket 479 - 1 of 2 ..........................................................................B-3
Socket 479 - 2 of 2 ..........................................................................B-4
855PM MCH-1 ...............................................................................B-5
855PM MCH-2 ...............................................................................B-6
855PM MCH-3 ...............................................................................B-7
DDRAM .........................................................................................B-8
DDR Termination ...........................................................................B-9
Clock Generator ............................................................................B-10
ICH4-1 (1 of 3) .............................................................................B-11
ICH4-2 (2 of 3) .............................................................................B-12
ICH4-3 (3 of 3) .............................................................................B-13
USB 2.0 .........................................................................................B-14
MDC, BT, CCD, Mini PCI (Wireless LAN) ................................B-15
HDD, CDROM .............................................................................B-16
LAN RTL8110S (B)-32 ................................................................B-17
LPC S I/O, Flash ROM .................................................................B-18
Power On Checklist .....................................................................B-19
Hitachi H8S ..................................................................................B-20
Audio Codec ALC202 ..................................................................B-21
PCMCIA (PCI1620) .....................................................................B-22
PCMCIA Socket ...........................................................................B-23