Dell PowerEdge C8000 Hardware Owner's Manual page 80

Option
Direct Cache Access
(Enabled default)
Hyper-Threading
Technology
(Enabled default)
Prefetch Configuration
Prefetch Configuration
Scroll to this item and press <Enter> to view the following screen.
Prefetch Configuration
Option
Adjacent Cache Line
Prefetch
(Enabled default)
80
Using the System Setup Program
Description
Enables or disables the direct cache access.
Enables or disables the Hyper-Threading technology.
Press <Enter> to configure the prefetch settings.
Description
Enables or disables system optimization for sequential
memory access.