Security lock (optional) ...................................................................................... 47
Universal chassis clamp lock (optional) ............................................................ 47
Access panel key lock ....................................................................................... 47
Fault notification and recovery ........................................................................................... 47
Drive Protection System .................................................................................... 47
ECC fault prediction and pre-failure warranty ................................................... 48
Thermal sensor ................................................................................................ 48
4 Removal and replacement procedures
Service considerations ....................................................................................................................... 50
Read cautions, warnings, and safety precautions ............................................................. 50
Electrostatic discharge information .................................................................................... 50
Generating static ............................................................................................... 50
Preventing electrostatic damage to equipment ................................................. 51
Personal grounding methods and equipment .................................................. 51
Grounding the work area ................................................................................... 51
Recommended materials and equipment ......................................................... 52
Required tools and software .............................................................................................. 52
Screws ............................................................................................................................... 52
Special handling of components ........................................................................................ 52
Cables and connectors .................................................................................... 53
Hard drives ....................................................................................................... 53
Lithium coin cell battery .................................................................................... 53
Customer Self Repair ......................................................................................................................... 54
Pre-disassembly procedures .............................................................................................................. 55
System board components ................................................................................................................. 56
System board architecture ................................................................................................ 57
Removing and replacing components ................................................................................................ 58
Disassembly order ............................................................................................................ 58
Removing the security lock (optional) ................................................................................ 59
Removing the cable lock (optional) ................................................................................... 60
Access panel .................................................................................................................... 60
Front bezel ........................................................................................................................ 61
Bezel blanks ..................................................................................................................... 62
Hood sensor (Smart Cover Sensor) .................................................................................. 63
Front panel I/O device assembly ...................................................................................... 63
Power button assembly and system speaker ................................................................... 64
Power supply ..................................................................................................................... 65
System/memory fan assembly ........................................................................................... 66
Memory ............................................................................................................................. 67
Memory module features ................................................................................. 67
Memory module requirements .......................................................................... 67
Removing memory module ............................................................................... 68
Installing memory module ................................................................................. 69
Installing a DIMM .............................................................................................. 70
PCI slots ............................................................................................................................ 71
PCI retainer ...................................................................................................... 71
Removing the PCI retainer ............................................................... 72
Installing the PCI retainer ................................................................. 72
PCI retention clamp .......................................................................................... 73
ENWW 7
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