Preface
IX
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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 Keyboard ..................................................................2-8
Removing and Installing the Processor ...........................................2-9
Removing the System Memory (RAM) ........................................2-12
Removing the M.2 SSD Module ...................................................2-13
Removing the Wireless LAN Module ...........................................2-15
Wireless LAN, Combo Module Cables .........................................2-16
Removing the CCD .......................................................................2-17
Part Lists ..................................................A-1
Part List Illustration Location ........................................................A-2
Top (NH50AF1 / NH58AF1) .........................................................A-3
Top (NH55AFW) ........................................................................... A-4
Top (NH57AF1) ............................................................................ A-5
Bottom ........................................................................................... A-6
Main Board ................................................................................... A-7
HDD .............................................................................................. A-8
LCD (NH50AF1) ........................................................................... A-9
LCD (NH58AF1) ......................................................................... A-10
LCD (NH55AFW) ....................................................................... A-11
LCD (NH57AF1) ......................................................................... A-12
Schematic Diagrams.................................B-1
System Block Diagram ...................................................................B-3
Processor 1/8 ...................................................................................B-4
Processor 2/8 ...................................................................................B-5
Processor 3/8 ...................................................................................B-6
Processor 4/8 ...................................................................................B-7
Processor 5/8 ...................................................................................B-8
Processor 6/8 ...................................................................................B-9
Processor 7/8 .................................................................................B-10
Processor 8/8 .................................................................................B-11
DDR4 CHA SO-DIMM ................................................................B-12
DDR4 CHB SO-DIMM ................................................................B-13
Output Power ................................................................................B-14
VGA PCI Express .........................................................................B-15
GPU Frame Buffer Partition .........................................................B-16
Frame Buffer A .............................................................................B-17
Frame Buffer A .............................................................................B-18
Frame Buffer B .............................................................................B-19
Frame Buffer B .............................................................................B-20
Frame Buffer C/D .........................................................................B-21
Frame Buffer C .............................................................................B-22
