Dell POWEREDGE M905 Uživatelský manuál stáhnout pdf (Strana 108)

108 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 startup stating that your memory configuration is non-

optimal.

Memory Sparing Support - PowerEdge M905

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

memory configurations shown in Table 3-2.

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.

System Memory - PowerEdge M805

You can upgrade your system memory to a maximum of 128 GB by installing

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.

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

memory modules will be downclocked to operate at 533 Mhz.

Table 3-2. Memory Sparing Configurations - PowerEdge M905

Total

System

Memory

Usable

System

Memory

Memory Modules -

Number and Size

Memory Module Locations

16 GB 12 GB Eight 2 GB A1, A2, B1, B2, C1, C2, D1, D2

32 GB 28 GB Sixteen 2 GB A1, A2, A3, A4, B1, B2, B3, B4, C1, C2,

C3, C4, D1, D2, D3, D4

64 GB 56 GB Sixteen 4 GB A1, A2, A3, A4, B1, B2, B3, B4, C1, C2,

C3, C4, D1, D2, D3, D4

128 GB 112 GB Sixteen 8 GB A1, A2, A3, A4, B1, B2, B3, B4, C1, C2,

C3, C4, D1, D2, D3, D4

1 2 ... 103 104 105 106 107 108 109 110 111 112 113 ... 235 236

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Dell POWEREDGE M905 Uživatelský manuál Strana 108