Hardware Owner's Manual

176 Installing Blade Components
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 start-up stating that your memory configuration is non-
optimal.
Memory Sparing Support – PowerEdge M915
The memory sparing feature must also be enabled in the Memory
Information screen of the System Setup program. See "Memory Settings
Screen
" on page 140 . To use memory sparing, you must disable node
interleaving.
512 GB Four Thirty two 16 GB
a
Y A1, A2, A3, A4, A5, A6, A7,
A8, B1, B2, B3, B4, B5, B6,
B7, B8, C1, C2, C3, C4, C5,
C6, C7, C8, D1, D2, D3, D4,
D5, D6, D7, D8
1 TB
a
Four Thirty two 32 GB
b
Y A1, A2, A3, A4, A5, A6, A7,
A8, B1, B2, B3, B4, B5, B6,
B7, B8, C1, C2, C3, C4, C5,
C6, C7, C8, D1, D2, D3, D4,
D5, D6, D7, D8
a
indicates DIMM configurations that operate at 1066 MHz while the rest
of the configurations operate at 1333 MHz.
b
when available
Total
Physical
Memory
Number of
Processors
Memory Modules –
Number and Type
Memory
Sparing
Support
Memory Module Locations