Preface
V
Preface
Contents
Introduction ..............................................1-1
Overview .........................................................................................1-1
System Specifications .....................................................................1-2
External Locator - Front View ........................................................1-5
External Location - Left & Right Side Views .................................1-6
External Locator - Rear View .........................................................1-7
Mainboard Overview - Top .............................................................1-8
Key Parts ........................................................................................1-8
Mainboard Overview - Bottom .......................................................1-9
Key Parts .........................................................................................1-9
Mainboard Overview - Top ...........................................................1-10
Cable Connectors and Switches ....................................................1-10
Mainboard Overview - Bottom .....................................................1-11
Cable Connectors and Switches ....................................................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 Hard Disk Drive Assembly ......................................2-5
Removing the LCD Back Cover .....................................................2-6
Removing the System Memory .......................................................2-7
Removing the CPU ..........................................................................2-8
Removing the I/O Bracket .............................................................2-10
Removing the Modem ...................................................................2-11
Removing the Floppy Disk Drive Assembly ................................2-12
Removing the Mini PCI I/F Module .............................................2-13
Removing the Optical Device Assembly ......................................2-14
Part Lists ..................................................A-1
Part List Illustration Location ........................................................ A-2
L295T - Base ................................................................................. A-3
L295T - Bracket ............................................................................. A-4
L295T - Front ................................................................................ A-5
L295T - Toshiba DVD-RW ........................................................... A-6
L295T - FDD ................................................................................. A-7
L295T - HDD ................................................................................ A-8
Schematic Diagrams................................. B-1
System Block Diagram ...................................................................B-2
CPU Prescott - 1 of 2 ......................................................................B-3
CPU Prescott - 2 of 2 ......................................................................B-4
Clock Generator ..............................................................................B-5
MCH Power ....................................................................................B-6
MCH Host .......................................................................................B-7
MCH AGP ......................................................................................B-8
MCH Memory ................................................................................B-9
MCH Memory Termination ..........................................................B-10
DDR RIMM ..................................................................................B-11
DVO Chrontel CH7107A .............................................................B-12
LCD Connector .............................................................................B-13
CRT & USB ..................................................................................B-14
ICH5 (Power, LPC, Clock, SMbus) .............................................B-15
ICH5 (PCI, IDE, UHB, USB, LAN) ............................................B-16
Thermal & Fan Controller ............................................................B-17
Cardbus PCI1520 ..........................................................................B-18
IEEE 1394 .....................................................................................B-19
Cardbus Slot & Mini PCI .............................................................B-20
LAN RTL8100CL/8110SL ...........................................................B-21
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