Dell PowerEdge M600 - Manual (Page 111)

Installing Blade Components
111
Non-Optimal Memory Configurations
System performance can be affected if your memory configuration does not
conform to the preceding installation guidelines. Your system may issue an
error message during startup stating that your memory configuration is non-
optimal.
Memory Sparing Support - PowerEdge M805
Memory sparing (spare bank) is supported in systems that have one of the
memory configurations shown in Table 3-4. The memory sparing feature must
also be enabled in the Memory Information screen of the System Setup
program. See "Memory Information Screen" on page 83. To use memory
sparing, you must disable node interleaving.
128 GB Sixteen 8 GB A1, A2, A3, A4, A5, A6, A7, A8, B1, B2, B3,
B4, B5, B6, B7, B8
*If 64 GB of memory is installed, the system will only recognize 63.75 GB during POST.
Table 3-4. Memory Sparing Configurations - PowerEdge M805
Total
System
Memory Usable
System
Memory Memory Modules -
Number and Size Memory Module Locations
16 GB 12 GB Eight 2 GB A1, A2, A3, A4, B1, B2, B3, B4
32 GB 28 GB Sixteen 2 GB A1, A2, A3, A4, A5, A6, A7, A8, B1, B2,
B3, B4, B5, B6, B7, B8
64 GB 56 GB Sixteen 4 GB A1, A2, A3, A4, A5, A6, A7, A8, B1, B2,
B3, B4, B5, B6, B7, B8
128 GB 112 GB Sixteen 8 GB A1, A2, A3, A4, A5, A6, A7, A8, B1, B2,
B3, B4, B5, B6, B7, B8
Table 3-3. Examples of PowerEdge M805 Memory Configurations (continued)
Total
System
Memory Memory Modules -
Number and Size Memory Module Locations