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Configuring and Installing Components
5-21
5.9
Memory Configuration
Become familiar with the rules for memory configuration before
adding DIMMs to the system.
Memory Performance Considerations
Interleaved operations reduce the average latency and increase the memory
throughput over non-interleaved operations. With one memory option
(4 DIMMs) installed, memory interleaving will not occur. With two identical
memory options (8 DIMMs) installed, memory read-write operations are two-
way interleaved. With four identical memory options (16 DIMMs) installed,
memory read-write operations are four-way interleaved, maximizing memory
throughput.
The output of the show memory command provides the memory interleaving
status of the system.
P00>>>show memory
Array Size Base Address Intlv Mode
--------- ---------- ---------------- ----------
0 256Mb 0000000060000000 2-Way
1 512Mb 0000000040000000 2-Way
2 256Mb 0000000070000000 2-Way
3 1024Mb 0000000000000000 2-Way
2048 MB of System Memory
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Содержание AlphaServer ES40
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