HP ET115AV HP xw4400 Workstation - Service and Technical Reference Guide - Page 68

System board architecture, Steps for removal and replacement of components

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Table 4-3 System board components (continued) No. Component No. Component No. Component 7 Memory module sockets 18 Front USB 29 Network/USB 8 Main power 19 Hard disk activity LED 30 Audio 9 Diskette drive 20 Internal USB 31 USB 10 Primary IDE 21 Speaker 32 Parallel 11 Chassis intrusion switch 22 Front audio 33 Serial * Electrically x4 bandwidth 34 Keyboard/Mouse System board architecture The following image shows the HP xw4400 Workstation block diagram. Figure 4-3 System board block diagram Steps for removal and replacement of components This section discusses the procedures necessary to remove and install various hardware components on your workstation. Review the safety and precautions and the Service considerations on page 52, as well as the Safety and Regulatory Information, before servicing or upgrading your system. 1. Read all safety information and precautions. 2. Locate and clear a suitable work area. 3. Shut down the system and remove power from the unit. 58 Chapter 4 Removal and replacement procedures ENWW

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No.
Component
No.
Component
No.
Component
7
Memory module
sockets
18
Front USB
29
Network/USB
8
Main power
19
Hard disk activity LED
30
Audio
9
Diskette drive
20
Internal USB
31
USB
10
Primary IDE
21
Speaker
32
Parallel
11
Chassis intrusion
switch
22
Front audio
33
Serial
34
Keyboard/Mouse
* Electrically x4 bandwidth
System board architecture
The following image shows the HP xw4400 Workstation block diagram.
Figure 4-3
System board block diagram
Steps for removal and replacement of components
This section discusses the procedures necessary to remove and install various hardware components
on your workstation. Review the safety and precautions and the
Service considerations
on page
52
, as
well as the
Safety and Regulatory Information,
before servicing or upgrading your system.
1.
Read all safety information and precautions.
2.
Locate and clear a suitable work area.
3.
Shut down the system and remove power from the unit.
Table 4-3
System board components (continued)
58
Chapter 4
Removal and replacement procedures
ENWW