HP ProLiant DL388e HP ROM-Based Setup Utility User Guide - Page 122
DRAM Prefetch on I/O Request
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DRAM Prefetch on I/O Request NOTE: This option is available on G7 servers with AMD processors. Depending on the type of I/O and expansion cards being used, the processor constantly prefetches data from RAM memory to decrease latency within the I/O subsystems and expansion cards. This option controls those processor prefetch features. In most cases, this option should remain enabled. With certain workloads, however, disabling this option may provide a performance benefit. Disable this option only after performing application benchmarking to verify improved performance in a particular environment. Options include: • Enabled (default) • Disabled 122 RBSU menu-driven interface (G7 and later servers)
DRAM Prefetch on I/O Request
NOTE:
This option is available on G7 servers with AMD processors.
Depending on the type of I/O and expansion cards being used, the processor constantly prefetches
data from RAM memory to decrease latency within the I/O subsystems and expansion cards. This
option controls those processor prefetch features.
In most cases, this option should remain enabled. With certain workloads, however, disabling this
option may provide a performance benefit. Disable this option only after performing application
benchmarking to verify improved performance in a particular environment.
Options include:
•
Enabled
(default)
•
Disabled
122
RBSU menu-driven interface (G7 and later servers)