HP Xw9400 - Workstation - 16 GB RAM - Page 5

Entering a setup password ............................................................... 46
Changing a power-on or setup password ......................................... 46
Deleting a power-on or setup password ............................................................ 47
National keyboard delimiter characters ............................................ 47
Clearing passwords .......................................................................... 47
Hood sensor (Smart Cover Sensor) .................................................................. 48
Setting the hood sensor protection level .......................................... 48
Cable lock provision (optional) .......................................................................... 48
Security lock (optional) ...................................................................................... 48
Universal chassis clamp lock (optional) ............................................................ 48
Access panel key lock ....................................................................................... 49
Fault notification and recovery ........................................................................................... 49
Drive Protection System .................................................................................... 49
ECC fault prediction and pre-failure warranty ................................................... 49
Thermal sensors ............................................................................................... 49
5 Removal and replacement procedures
Warnings and cautions ....................................................................................................................... 50
Service considerations ....................................................................................................................... 51
Read cautions, warnings, and safety precautions ............................................................. 51
Electrostatic discharge information .................................................................................... 51
Generating static ............................................................................................... 52
Preventing electrostatic damage to equipment ................................................. 52
Personal grounding methods and equipment ................................................... 53
Grounding the work area ................................................................................... 53
Recommended materials and equipment ......................................................... 53
Required tools and software .............................................................................................. 54
Screws ............................................................................................................................... 54
Special handling of components ........................................................................................ 54
Cables and connectors ..................................................................................... 54
Hard drives ........................................................................................................ 54
Lithium coin cell battery ..................................................................................... 55
Customer Self Repair ......................................................................................................................... 55
Pre-disassembly procedures .............................................................................................................. 55
System board components ................................................................................................................. 56
System board architecture ................................................................................................................. 57
Removing and replacing components ................................................................................................ 58
Disassembly order ............................................................................................................. 59
Security lock (optional) ...................................................................................................... 61
Cable lock (optional) .......................................................................................................... 61
Universal chassis clamp lock (optional) ............................................................................. 62
Access panel ..................................................................................................................... 63
Front bezel ......................................................................................................................... 64
ENWW v