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Step 1540A-2
1. Turn the power off.
2. Disconnect all external cables.
3. Remove the top cover.
4. Record the slot numbers of any adapter cards installed in the system unit. Label
and record the location of any cables attached to the adapters. Remove all the
adapters from the system unit.
5. Record the slot numbers of the memory modules, and then remove all but the
memory module in memory slot A (DIMM 0) on the Model 140, or DIMM 1 on the
Model 150.
6. Remove the L2 cache card. (Model 140 only)
7. Disconnect the SCSI cable from the SCSI connectors on the system board.
8. Disconnect the diskette drive cable from the diskette drive connector on the
system board.
9. Disconnect the internal serial, ethernet, and tablet port cables.
10. Turn the power on.
Does the operator panel do one of the following:
Stop with any code other than
– FDC, FF2, FF3, or F4D (Model 140)
– E1DC, E1F2, E1F3, E1F7, or E14D (Model 150)
Alternate between
– FFD and any other code (Model 140)
– E1FD and any other code (Model 150)
NO Go to “Step 1540A-4” on page 2-25.
YES Go to “Step 1540A-3” on page 2-24.
Chapter 2. Maintenance Analysis Procedures (MAPs) 2-23