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 Keyboard ..................................................................2-7
Removing the M.2 SSD Module .....................................................2-8
Removing the System Memory (RAM) ........................................2-10
Removing the Wireless LAN Module ...........................................2-11
Wireless LAN, Combo Module Cables .........................................2-12
Part Lists ..................................................A-1
Part List Illustration Location ........................................................ A-2
Top (NP50HP) ................................................................................A-3
Top (NP55HP-HM) ........................................................................ A-4
Bottom ............................................................................................A-5
Main Board .................................................................................... A-6
LCD (NP50HP) ............................................................................. A-7
LCD (NP55HP-HM) ...................................................................... A-8
Schematic Diagrams................................. B-1
System Block Diagram ...................................................................B-2
Processor 1/6 ...................................................................................B-3
Processor 2/6 ...................................................................................B-4
Processor 3/6 ...................................................................................B-5
Processor 4/6 ...................................................................................B-6
Processor 5/6 ...................................................................................B-7
Processor 6/6 ...................................................................................B-8
DDR4 CHA SO-DIMM_0 ..............................................................B-9
DDR4 CHB SO-DIMM_0 ............................................................B-10
VGA PCI-E Interface ....................................................................B-11
Frame Buffer Partition A/B ..........................................................B-12
Frame Buffer A .............................................................................B-13
Frame Buffer A .............................................................................B-14
Frame Buffer B .............................................................................B-15
Frame Buffer B .............................................................................B-16
Frame Buffer Partition ..................................................................B-17
Frame Buffer C .............................................................................B-18
Frame Buffer C .............................................................................B-19
GPU GND .....................................................................................B-20
GPU NVVDD, FBVDDQ ............................................................B-21
GPU Decoupling - NVVDD .........................................................B-22
GPU Decoupling - FBVDDQ .......................................................B-23
Misc - GPIO, I2C, ROM ...............................................................B-24
IFP I/O Interface ...........................................................................B-25
Straps and XTAL ..........................................................................B-26
NVIDIA Power Sequence .............................................................B-27
OVR-M .........................................................................................B-28
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