System board components
The following image shows the system board connectors and sockets on the HP xw8400 Workstation.
Figure 4-1 System board identification
Table 4-3 System board components
Item Description Item Description Item Description Item Description
1 Memory Fan 11 PCI (32-bit, 33 MHz) 21 PCI-X 100 31 Processor 2 Fan
2 PS/2 Keyboard/
Mouse
12 Rear PCI Fan 22 PCI-X 133 32 Hard Disk Activity
LED
3 Parallel 13 PCI Express x16
(graphics)
23 PCI Express x16 (x4
performance)
33 Clear CMOS Button
4 Serial 14 Battery 24 Front USB 34 Processor 1 Fan
5 USB 15 PCI Express x8 (x4
performance)**
25 Serial SCSI (SAS) 35 Processor Power
6 Network/USB 16 Crisis Recovery
Jumper
26 Serial ATA (SATA) 36 Processor 2
7 Internal USB 17 Auxiliary Audio 27 Password Jumper 37 Processor 1
8 IEEE 1394 18 Front audio 28 Front Chassis Fan 38 Memory Module
Pairs
9 Audio 19 Front IEEE 1394 29 Primary IDE* 39 Memory Power
10 Rear Chassis Fan 20 Front Control Panel 30 Diskette Drive 40 Main Power
* The Primary IDE connector is generally used for hard drives.
ENWW System board components 51
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