IBM @Server pSeries 630 6C4, Service Manual

Page: 97 / 651

Step 1240-7
1. Turn off the power. Remove the power cord.
2. Remove one quad of DIMMs. Record the positions of the DIMMs as they are removed. When
instructed to reinstall the DIMMs, install them back into the same slots from which they were removed.
3. Reattach the power cord. Wait for
OK
to display in the operator panel.
4. Turn on the power. Attempt to boot to the SMS menus. (The system may stop with an 8-digit error
code before it reaches the SMS menus.)
5. Power off the system using the white button. After the
OK
displays in the operator panel, look at the
memory configuration/deconfiguration menu.
Are any DIMMs deconfigured or does the error code recorded in “Step 1240-1” on page 74 still
appear?
NO Go to “Step 1240-8”.
YES Go to “Step 1240-10” on page 78.
Step 1240-8
1. Turn off the power. Remove the power cord.
2. Move the quad of DIMMs located on the card to the other quad’s slots.
3. Reattach the power cord. Wait for
OK
to display in the operator panel.
4. Turn on the power. Attempt to boot to the SMS menus. (The system may stop with an 8-digit error
code before it reaches the SMS menus.)
5. Power off the system using the white button. After the
OK
displays in the operator panel, look at the
memory configuration/deconfiguration menu.
Are any DIMMs deconfigured or does the error code recorded in “Step 1240-1” on page 74 still
appear?
NO Go to “Step 1240-9”.
YES Replace the processor card.
Enable memory repeat gard if necessary.
Go to
″
MAP 0410: Repair Checkout
″
in the RS/6000
Eserver
pSeries Diagnostic Information for
Multiple Bus Systems .
Step 1240-9
The failing DIMM(s) is in the quad of DIMMs that was removed in “Step 1240-7”. Do the following:
1. Turn off the power. Remove the power cord.
2. Remove the quad of DIMMs that is on the processor card and reinstall the quad of DIMMs that had
been removed. The DIMMs can be reinstalled in either quad.
Go to “Step 1240-11” on page 78.
Chapter 3. Maintenance Analysis Procedures (MAPs)
77