Step 1540-6
1. Turn off the power.
2. Disconnect the ac power cable from the CEC drawer.
3. Replace the items in the following list, ONE at a time.
a. Memory DIMMs quad A on memory riser card 1, if present, with new or
previously removed DIMMs
b. Memory riser card (Location: U1.1-P1-M1), if present, with a new or previously
removed memory riser card
c. Memory riser card (Location: U1.1-P1-M2), if present, with a new or previously
removed memory riser card
d. Memory DIMMs pair A on one-way processor card, if present, with new or
previously removed DIMMs
e. Processor card (Location: U1.1-P1-C1)
f. CEC drawer backplane (Location: U1.1-P1)
4. Reconnect the ac power to the CEC drawer.
5. Turn on the power to boot standalone diagnostics from CD.
Is the Please define the System Console screen displayed?
NO Go to “Step 1540-7”.
YES The last item replaced was defective. Return the machine to the original
configuration. Go to ″MAP 410: Repair Checkout″ in the
Diagnostics
Information for Multiple Bus Systems
.
Step 1540-7
Have all the parts, if present, listed in ″Step 1540-6″ been replaced?
NO Go to “Step 1540-6”.
YES Go to “Step 1540-11” on page 121.
118 Service Guide
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