Clevo W251HPQ User Manual

Preface
IX
Preface
Contents
Introduction ..............................................1-1
Overview .........................................................................................1-1
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 a Processor ............................................2-11
Removing the 3.75G Module ........................................................2-14
Removing the Wireless LAN Module ...........................................2-15
Removing the Keyboard ................................................................2-16
Part Lists ..................................................A-1
Part List Illustration Location ........................................................A-2
Top (W251HPQ,W251HNQ) .........................................................A-3
Top (W255HP,W255HN) ..............................................................A-4
Top (W258HPQ,W258HNQ) ........................................................ A-5
Bottom ........................................................................................... A-6
SATA BLU RAY COMBO ........................................................... A-7
DVD DUAL ................................................................................... A-8
LCD ............................................................................................... A-9
..................................................................................................... A-10
Schematic Diagrams.................................B-1
System Block Diagram ...................................................................B-2
Processor 1/7-DMI, FDI, PEG ........................................................B-3
Processor 2/7- CLK, MISC .............................................................B-4
Processor 3/7- (DDR3) ...................................................................B-5
Processor 4/7- Power ......................................................................B-6
Processor 5/7- GFX PWR ...............................................................B-7
Processor 6/7- GND ........................................................................B-8
Processor 7/7- RSVD ......................................................................B-9
DDR3 SO-DIMM_0 .....................................................................B-10
DDR3 SO-DIMM_1 .....................................................................B-11
PANEL, INVERTER, CRT ..........................................................B-12
VGA PCI-E Interace .....................................................................B-13
VGA Frame Buffer Interface ........................................................B-14
VGA Frame Buffer A ...................................................................B-15
VGA Frame Buffer C ...................................................................B-16
VGA I/O .......................................................................................B-17
VGA NVVDD Cecoupling ...........................................................B-18
PCH 1/9- RTC, HDA, SATA .......................................................B-19
PCH 2/9- PCIE, SMBUS, CLK ....................................................B-20
PCH 3/9- DMI, FDI, PWRGD .....................................................B-21
PCH 4/9- LVDS, DDI, CRT .........................................................B-22
PCH 4/9- OCI, USB, RSVD .........................................................B-23
PCH 6/9- GPIO, CPU ...................................................................B-24

Clevo W251HPQ Specifications

General

Brand	Clevo
Model	W251HPQ
Category	Laptop
Language	English