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
14 Clear CMOS button 27 PCI Express x16 (4)
2 Rear chassis fan 15 Front chassis fan 28 PCI 32/33
3 Auxiliary power 16 Front control panel 29 PCI Express x16
4 Processor 17 Front chassis fan 30 Network/USB
5 Solenoid hood lock 18 Boot block jumper 31 Audio
6 Processor fan 19 Front USB 32 USB
7 Memory module
sockets
20 Hard disk activity LED 33 Parallel
8 Main power 21 Internal USB 34 Serial
9 Diskette drive 22 Speaker 35 Keyboard/Mouse
10 Primary IDE 23 Front audio
11 Chassis intrusion
switch
24 Auxiliary audio
12 Battery 25 PCI 32/33
13 Serial ATA 26 PCI Express x1
* Electrically x4 bandwidth
ENWW System board components 61