IBM TotalStorage NAS Gateway 500, Руководство по обслуживанию

Страница: 76 / 471

Step 1240-9
The failing DIMMs is in the quad of DIMMs that was removed in “Step 1240-7” on page 55. Do the
following:
1. Turn off the power. Remove the power cords.
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”.
Step 1240-10
1. Turn off the power. Remove the power cords.
2. Move the quad of DIMMs that is on the processor card to the other quad’s location.
3. Reattach the power cords. Wait for
OK
to display in the operator panel.
4. Turn on the power. Attempt to boot to the SMS menus. (The system might stop with an 8-digit error
code before it reaches the SMS menus.)
5. Power off the system using the white power button. After
OK
is displayed 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 53 still
appear?
NO Replace the processor card.
Enable memory repeat gard if necessary.
Go to “MAP 0410: Repair Checkout” on page 45.
YES One or more of the DIMMs on the card is defective. Go to “Step 1240-11”.
Step 1240-11
Attention: If only one quad of DIMMs is on the processor card, you must have at least one replacement
DIMM of the same size and speed as the DIMMs that are on the card.
If there were two quad of DIMMs on the processor card, but they are not the same size, your must have at
least one replacement DIMM of the same size and speed as the DIMMs in the quad that is failing.
If there were two quad of DIMMs on the processor card, and they are the same size and speed, DIMMs
from the good quad can be used when isolating the failing DIMM in the suspect quad.
1. Turn off the power. Remove the power cords.
2. Remove one of the DIMMs on the processor card and install the replacement DIMM or another known
good DIMM.
3. Reattach the power cords. Wait for
OK
to display in the operator panel.
4. Turn on the power. Attempt to boot to the SMS menus. (The system might stop with an 8-digit error
code before it reaches the SMS menus.)
5. Power off the system using the white power button. After
OK
is displayed 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 53 still
appear?
NO The DIMM that was just removed was the failing DIMM; replace it.
Enable memory repeat gard if necessary.
Go to “MAP 0410: Repair Checkout” on page 45.
56
NAS Gateway 500 Service Guide