Hood lock (Smart cover lock) (optional) ............................................................ 48
Hood sensor (Smart cover sensor) (optional) ................................................... 48
Access panel key lock ....................................................................................... 48
Fault notification and recovery ........................................................................................... 48
Drive Protection System .................................................................................... 49
ECC fault prediction and prefailure warranty .................................................... 49
Thermal sensor ................................................................................................ 49
4 Removal and replacement procedures
Service considerations ....................................................................................................................... 52
Read cautions, warnings, and safety precautions ............................................................. 52
Electrostatic discharge information .................................................................................... 52
Generating static ............................................................................................... 52
Preventing electrostatic damage to equipment ................................................. 53
Personal grounding methods and equipment .................................................. 53
Grounding the work area ................................................................................... 53
Recommended materials and equipment ......................................................... 54
Tools and software requirements ...................................................................................... 54
Screws ............................................................................................................................... 54
Special handling of components ........................................................................................ 54
Cables and connectors ..................................................................................... 55
Hard drives ........................................................................................................ 55
Lithium coin cell battery ..................................................................................... 55
Customer Self-Repair ......................................................................................................................... 56
Predisassembly procedures ............................................................................................................... 57
System board components ................................................................................................................. 58
System board architecture ................................................................................................ 58
Removal and replacement of components ......................................................................................... 60
Disassembly order ............................................................................................................ 60
Security lock (optional) ...................................................................................................... 61
Cable lock (optional) .......................................................................................................... 62
Universal chassis clamp lock (optional) ............................................................................. 62
Side access panel ............................................................................................................. 63
Front Bezel ....................................................................................................................... 64
Bezel blanks ..................................................................................................................... 65
Top cover ........................................................................................................................... 65
Hood sensor (Smart cover sensor) .................................................................................... 66
Hood lock (Smart cover lock) (optional) ............................................................................. 67
Front panel I/O device assembly ...................................................................................... 68
Power button assembly and system speaker ................................................................... 68
Memory fan ....................................................................................................................... 69
System fan assembly ......................................................................................................... 71
Power supply ..................................................................................................................... 71
Memory ............................................................................................................................. 72
Memory module requirements .......................................................................... 72
Removing memory module ............................................................................... 72
Installing memory module ................................................................................. 73
Installing a DIMM .............................................................................................. 74
PCI Slots ............................................................................................................................ 74
PCI retainer ...................................................................................................... 75
ENWW 7
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