Installing Blade Components
187
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 M805
Memory sparing (spare bank) is supported in systems that have one of the
memory configurations shown in Table 3-7. 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.
64 GB*
Eight 8 GB
A1, A2, A3, A4, B1, B2, B3, B4
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 recognizes only 63.75 GB during POST.
Table 3-7. Memory Sparing Configurations
–
PowerEdge M805
NOTE:
Memory sparing is supported if 16 identical memory modules are installed.
Total
System
Memory
Usable
System
Memory
Memory Modules -
Number and Size
Memory Module Locations
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 3-6. Examples of PowerEdge M805 Memory Configurations
(continued)
Total
System
Memory
Memory Modules -
Number and Size
Memory Module Locations
Summary of Contents for PowerEdge M620
Page 1: ...Dell PowerEdge Modular Systems Hardware Owner s Manual ...
Page 60: ...60 About Your System Figure 1 24 Example of PowerEdge M610x Port Mapping of Blade 2 ...
Page 68: ...68 About Your System Figure 1 26 Example of Half Height Blade Port Mapping ...
Page 136: ...136 About Your System ...
Page 286: ...286 Installing Blade Components ...
Page 308: ...308 Installing Enclosure Components ...
Page 330: ...330 Running System Diagnostics ...
Page 360: ...360 System Board Information ...
Page 362: ...362 Getting Help ...
Page 368: ...Index 368 V video controller installing 273 ...