System I/O Board With Tray - Compaq 5500R - ProLiant - 256 MB RAM Maintenance And Service Manual

2-42 Compaq ProLiant 5500 and 5500R Maintenance and Service Guide

System I/O Board with Tray

To remove the system I/O board with tray:
1. Perform the preparation procedures. See "Preparation Procedures" earlier in this chapter.
2. Remove the side access panel. See "Side Access Panel" earlier in this chapter.
3. Remove the top access panel. See "Top Access Panel" earlier in this chapter.
4. Disconnect and remove all boards from the system I/O board. Place these boards on a
nonconductive work surface for installation on the replacement system I/O board.
5. Disconnect all cables from the system I/O board.
6. Loosen the three thumbscrews securing the system I/O board and tray to the chassis.
7. Pull the system I/O board and tray through the top of the server.
Figure 2-35. Removing the system I/O board with tray
8. Set the core frequency switch to match the processors currently in the server. See
Table 4-4, Processor Core Frequency Switch Settings, for switch setting information.
To replace the system I/O board with tray:
1. Set the core frequency switch.
2. Install the system I/O board.
3. Tighten the three thumbscrews that secure the system I/O board to the chassis.
4. Reconnect all cables to the system I/O board.
5. Reinstall the expansion boards.
For use with Pentium II and Pentium III Xeon processor-based servers only