IBM @Server pSeries 630 6C4, Service Manual

Page: 515 / 651

12. Locate the memory DIMMs, and determine which DIMM you want to remove.
Note: Memory DIMMs must be installed in quads (groups of 4) and in the correct slot. The only two
valid slot combinations that you can use are 1, 3, 6, and 8 OR 2, 4, 5, and 7. See the
following illustration.
Number Description Location Code
M1 Memory slot 1 (J2A) U0.1-P1-C1-M1
M2 Memory slot 2 (J2B) U0.1-P1-C1-M2
M3 Memory slot 3(J3A) U0.1-P1-C1-M3
M4 Memory slot 4(J3B) U0.1-P1-C1-M4
M5 Memory slot 5(J1B) U0.1-P1-C1-M5
M6 Memory slot 6(J1A) U0.1-P1-C1-M6
M7 Memory slot 7(J0B) U0.1-P1-C1-M7
M8 Memory slot 8(J0A) U0.1-P1-C1-M8
Note: The location code column indicates the location codes for processor card 1. If your system is configured for
processor card 2, substitute C2 in place of C1.
Attention: To prevent damage to the memory DIMM and the memory DIMM connectors, open or
close the retention latches at the same time.
13. Remove the memory DIMM by pushing the tabs out and then down. The tabs’ camming action forces
the memory DIMM out of the connector.
14. Pull the memory DIMM out of the connector as shown in the following illustration.
1
2
1
1 Connector Tabs (unlocked position)
2 Memory DIMM
Chapter 9. Removal and Replacement Procedures
495