Step 1540-2 - IBM RS/6000 44P 270 Service Manual

Step 1540-2

1. Turn off the power.
2. If you have not already done so, configure the service processor with the
instructions in note 6 on page 50 and then return here and continue.
3. Exit service processor menus and remove the power cable.
4. Disconnect all external cables (parallel, serial port 1, serial port 2, keyboard,
mouse, tablet, Ethernet, SCSI) from the I/O planar.
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 J8 (if present). (If the second
processor card has been removed, ensure that the 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 reinstalled in pairs and in the correct slots. For
9. Remove the second memory card from slot J2, 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 on the power.
Does the system stop with code E1F2, E1F3, STBY or 4BA00830 displayed on the
operator panel?
NO
YES
52
Service Guide
example, install the first pair in slots J1 and J2.
Go to "Step 1540-3" on page 53.
If a second processor card was removed, go to "Step 1540-4" on page 54.
If the system has only one processor card, go to "Step 1540-5" on page 54.