Item Description Item Description Item Description Item Description
8 IEEE 1394 19 Front IEEE 1394 30 Primary IDE* 41 Main Power
9 Audio 20 Front Control Panel 31 Diskette Drive
10 Rear Chassis Fan 21 PCI-X 100 32 Processor 2 Fan
11 PCI (32-bit, 33 MHz) 22 PCI-X 133 33 Hard Disk Activity
LED
* The Primary IDE connector is generally used for hard drives.
** The PCI Express x8 is a PCI Express x8 connector that has x4 bandwidth.
System board architecture
The following image shows the HP xw8400 Workstation block diagram.
Figure 4-2 System board block diagram
Table 4-4 System board components (continued)
ENWW System board components 55