IBM 9114-275 Installation Guide - Page 70

Memory DIMMs, Memory DIMM Installation and Replacement, Number, Description, Location Code

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Memory DIMMs Before performing the following procedures, read "Safety Notices" on page vii. Note: Memory DIMMs must be installed in quads (groups of four) and in the correct slots. M2, M4, M5, and M7 are in one quad. M1, M3, M6, and M8 are in the other quad. Either quad can be populated first. Memory DIMM Installation and Replacement If a memory DIMM must be removed before you can install one, refer to "Memory DIMM Removal" on page 56. To install a memory DIMM, do the following: 1. Shut down the system as described in "Stopping the System" on page 25. 2. Place the system into the service position as described in "Placing the Model 275 into the Service and Operating Position" on page 26. 3. Remove the service access cover as described in "Service Access Cover Removal" on page 28. 4. Remove the fan tray assembly as described in "Removing the Fan Tray Assembly" on page 35. 5. The following illustration shows the system backplane with the memory DIMM slots labelled. Determine which DIMM slots you will need to access in order to install or replace a memory DIMM. J3B (U0.1-P1-M1) J3A (U0.1-P1-M2) J2B (U0.1-P1-M3) J2A (U0.1-P1-M4) J0A (U0.1-P1-M5) J0B (U0.1-P1-M6) J1A (U0.1-P1-M7) J1B (U0.1-P1-M8) V1 V3 V2 J3A J2A J3B J2B Number M1 M2 M3 Description Memory slot 1 (J3B) Memory slot 2 (J3A) Memory slot 3 (J2B) 54 IntelliStation POWER 9114 Model 275 Installation Guide J0B J1B J0A J1A Location Code U0.1-P1-M1 U0.1-P1-M2 U0.1-P1-M3

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Memory DIMMs
Before performing the following procedures, read “Safety Notices” on page vii.
Note:
Memory DIMMs must be installed in quads (groups of four) and in the correct slots. M2, M4, M5,
and M7 are in one quad. M1, M3, M6, and M8 are in the other quad. Either quad can be populated
first.
Memory DIMM Installation and Replacement
If a memory DIMM must be removed before you can install one, refer to “Memory DIMM Removal” on
page 56. To install a memory DIMM, do the following:
1.
Shut down the system as described in “Stopping the System” on page 25.
2.
Place the system into the service position as described in “Placing the Model 275 into the Service
and Operating Position” on page 26.
3.
Remove the service access cover as described in “Service Access Cover Removal” on page 28.
4.
Remove the fan tray assembly as described in “Removing the Fan Tray Assembly” on page 35.
5.
The following illustration shows the system backplane with the memory DIMM slots labelled.
Determine which DIMM slots you will need to access in order to install or replace a memory DIMM.
J0A (U0.1-
M5)
P1-
J3B (U0.1-P1-M1)
J1A (U0.1-
M7)
P1-
J2B (U0.1-
M3)
P1-
J1B (U0.1-
M8)
P1-
J2A (U0.1-
M4)
P1-
J0B (U0.1-
M6)
P1-
J3A (U0.1-
M2)
P1-
J0A
V1
V3
V2
J3B
J1A
J2B
J2A
J0B
J1B
J3A
Number
Description
Location Code
M1
Memory slot 1 (J3B)
U0.1-P1-M1
M2
Memory slot 2 (J3A)
U0.1-P1-M2
M3
Memory slot 3 (J2B)
U0.1-P1-M3
54
IntelliStation POWER 9114 Model 275 Installation Guide