For more information, see
on page 38.
8. Locate the DIMM module you want to replace.
1
1 DIMM Module
Figure 11. DIMM module location
9. Gently press the two DIMM socket arms on either side of the DIMM module to release the DIMM module from the
socket.
2
1
2 DIMM module
1 DIMM socket arms
Figure 12. Removing a DIMM module
10. Remove the defective DIMM module.
11. Insert a new DIMM module into the socket from which you removed the failed DIMM module.
Verify that the small tab on the DIMM module aligns with the tab on the socket.
Note: The DIMM sockets on the motherboard are labeled 1A, 1B; 2A, 2B; 3A, 3B; and 4A, 4B. For nodes
with 4 GB of RAM, DIMM modules occupy all of the A slots with the B slots left empty.
12. Gently press down on both ends of the DIMM module until the two socket arms lock into place, securing the DIMM
module.
13. Replace the node top panel.
For more information, see
on page 39.
14. Connect both power cables to the node power supplies and verify that the node starts properly and displays the log
in prompt.
Note: If a new DIMM is not properly installed or is corrupt, the node will beep during the startup process.
15. Log in to the node, and then run the following command:
sysct1 -n hw.physmem
22
©
2011 Isilon Systems, LLC.
DIMM modules
