Predisassembly procedures
Perform the following steps before servicing the workstation:
1. Close any open software applications.
2. Remove any diskettes or CDs from the workstation.
3. Shut down the operating system.
4. Power off the workstation and any peripheral devices that are connected to it.
5. Remove or disengage any security devices that prohibit opening the workstation.
6. Disconnect the power cord from the electrical outlet and then from the workstation.
7. Disconnect all peripheral device cables from the workstation.
System board components
The following image shows the system board connectors and sockets on the HP xw4400 Workstation.
Figure 4-2 System board identification
Table 4-3 System board components
No. Component No. Component No. Component
1 Second serial port
adapter
12 Battery 23 Auxiliary audio
2 Rear chassis fan 13 Serial ATA 24 PCI 32/33
3 Auxiliary power 14 Clear CMOS button 25 PCI Express x1
4 Processor 15 Front chassis fan 26 PCI Express x16 (4)
5 Solenoid hood lock 16 Front control panel 27 PCI 32/33
6 Processor fan 17 Front chassis fan 28 PCI Express x16
ENWW Predisassembly procedures 57
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