IBM 3301690, User Manual

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3301690 CPU Card
„
Hyper Threading Technology
Î Max CUPID Value Limit [Disabled]
NOTE:
If your OS is NT, this value must be set to enabled.
Î
Disabled (D
EFAULT
) Disables legacy OSes that cannot support CPUs with
extended CUPID functions from booting up
Î
Enabled Enables legacy OSes that cannot support CPUs with
extended CUPID functions to boot up
Î Execute Disable Bit [Enabled]
The Enhanced Intel SpeedStep Technology (EIST) function allows the CPU to lower its
internal frequency when the workload is light.
Î
Disabled Forces the XD feature flag to always return to 0
Î
Enabled (D
EFAULT
) Does not force the XD feature flag to return to 0
Î Hardware Prefetcher [Enabled]
Î
Disabled Does not allow the Hardware Prefetcher Disable feature
to be enabled or disabled.
Î
Enabled (D
EFAULT
) Allows the Hardware Prefetcher Disable feature to be
either enabled or disabled
Î Adjacent Cache Line Prefetch [Enabled]
Î
Disabled Does not allow the Adjacent Cache Line Prefetch
Disable feature to be enabled or disabled
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