Dell Power Supply C8000 Owner's Manual page 91

Prefetch Configuration
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Prefetch Configuration
Option
Adjacent Cache Line
Prefetch
(Enabled default)
Hardware Prefetcher
(Enabled default)
DCU Streamer
Prefetcher
(Enabled default)
Description
Enables or disables system optimization for sequential
memory access.
Enables or disables the speculative unit within the
processor(s).
Enables or disables Data Cache Unit (DCU) streamer
prefetcher.
NOTE:
This feature is available when supported by the
processor.
Using the System Setup Program
91