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Installing Blade Components 181

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 M910

Memory sparing (spare bank) is supported in systems that have one of the

memory configurations shown in Table 3-3.

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.

System Memory – PowerEdge M905

You can upgrade your system memory to a maximum of 192 GB by installing

up to twenty-four 667 MHz registered DDR2 memory modules in sets of

1 GB, 2 GB, 4 GB, or 8 GB memory modules. (Dual-rank 8 GB modules are

supported; quad-rank 8 GB modules are not supported.) Each processor has

four memory channels, organized in sets of two channels.

NOTE: If more than four memory modules are installed per processor, the memory

modules are downclocked to operate at 533 MHz.

Table 3-3. Memory Sparing Configurations - PowerEdge M910

Total

System

Memory

Usable

System

Memory

Memory Modules -

Number and Size

Memory Module Locations

128 GB 112 GB Thirty-two 4 GB 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

256 GB 224 GB Thirty-two 8 GB

512 GB 448 GB Thirty-two 16 GB

1 2 ... 176 177 178 179 180 181 182 183 184 185 186 ... 367 368

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Dell PowerEdge M610x Bedienungsanleitung Seite 181