Internal Disk Drive Bays; Replacement - IBM F80 Service Manual

16. Mark the locations and disconnect the following cables from the backplane
assembly:
v Fan cable
v Parallel cable assembly
v Debug cable assembly
17. Remove the CEC assembly (see "Memory and Processor Card CEC Assembly" on
page 344).
18. Remove the cable plate assembly from the rear of the system (14 total screws).
19. Remove the two screws from the bottom left of the system board assembly, that
ground it to the chassis.
20. Remove the eight screws that mount the system board assembly to the chassis
and remove the system board.
21. Remove the screws that mount the insulator to the back of the system board
assembly and remove the insulator. Save the screws and insulator for

replacement.

Replacement
1. Replace in reverse order.
2. Check fimware level by checking the version on the title of the service processor
main menu. If the firmware level is not at the correct level, proceed as follows:
v Reprogram all system EPROMs using the service processor setup menu.
v Select Reprogram Flash EPROM Menu option (7).
3. The service processor settings have been set to default values. These settings must
be restored if not previously set to default values.
v Manually reset all settings.
v If the service processor settings had previously been saved, you can restore the

Internal Disk Drive Bays

The system has positions for three disk drive bays, which are available for installing
additional disk drives. Because many configurations are possible for each system, this
procedure instructs you how to install the disk drive bay hardware and then refers you
to cabling diagrams when appropriate for the type of bay you are installing. The
following diagram shows the system with the front cover removed and with the disk
drive bays identified.
settings by using the procedure in "Saving and Restoring Service Processor
Settings" on page 252.
Chapter 9. Removal and Replacement Procedures
355