IBM RS/6000 7043 260, Service Manual

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Step 1540-2
1. Turn the power off.
2. If you have not already done so, configure the Service Processor with the
instructions in note 6 on page 2-31 and then return here and continue.
3. Exit Service Processor Menus and remove the power cable.
4. Disconnect all external cables (parallel, serial 1, serial 2, keyboard, mouse,
tablet, ethernet, SCSI, etc.).
5. Remove the side cover.
6. Record the slot numbers of the PCI adapters. Label and record the location of
any cables attached to the adapters. Disconnect any cables attached to the
adapters and remove all the adapters.
7. Remove the second processor card from slot J6 (if present). (If second
processor card removed, ensure first processor card is installed.).
8. Record the slot numbers of the memory modules. Remove all installed memory
modules except for one pair from the first memory card.
Note: Memory modules must be installed in pairs and in the correct slots. For
example, install the pair in J1 and J2.
9. Remove the second memory card from slot J3, if present.
10. Disconnect the SCSI cable from the SCSI connector (J7) on the I/O board.
11. Disconnect the signal and power connectors from the disk drive cage backplane.
12. Remove the disk drive(s) from the disk drive cage.
13. Disconnect the signal and power connectors from all the SCSI devices except
the CD-ROM drive.
14. Disconnect the diskette drive cable from the diskette drive connector (J17) on the
I/O board.
15. Plug in the power cable (and wait for OK on the operator panel display).
16. Turn the power on.
Chapter 2. Maintenance Analysis Procedures
2-33