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Step 1540-8
1. Turn off the power.
2. Disconnect the ac power cable from the CEC drawer.
3. Reinsert the cards in the following list one at a time. Continue to reinsert cards in
the list until you have reinserted all the cards in the list.
a. Memory DIMMs in quads B in memory riser card 1 if previously present or
b. Memory DIMMs in quads C in memory riser card 1 if previously present or
c. Memory DIMMs in quads D in memory riser card 1 if previously present or
d. If a memory riser card filler was installed in the place of the memory riser card
e. Memory DIMMs in quad A in memory riser card 2 if previously present.
f. Memory DIMMs in quad B in memory riser card 2 if previously present.
g. Memory DIMMs in quad C in memory riser card 2 if previously present.
h. Memory DIMMs in quad D in memory riser card 2 if previously present.
4. Reconnect the ac power cable 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
YES
memory DIMMs in pairs B in one-way processor card if previously present.
memory DIMMs in pairs C in one-way processor card if previously present.
memory DIMMs in pairs D in one-way processor card if previously present.
2, replace the memory riser card filler with memory riser card 2.
The DIMMs or memory riser card you just reinserted or the one-way processor
card is defective. Isolate to the failing memory DIMM pairs or quads by
temporarily replacing with new or previously removed or populated memory
DIMM pairs or quads. Otherwise, the memory riser card or one-way processor
card is bad. Return to the original configuration and replace the failing memory
DIMM or memory riser card or one-way processor card with new memory
DIMMs, memory riser card, or one-way processor card. Return the machine to
the original configuration. Go to "MAP 410: Repair Checkout" in the
Diagnostics Information for Multiple Bus Systems .
Go to "Step 1540-9" on page 120.
Chapter 3. Maintenance Analysis Procedures
119
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