GIGABYTE GS-R12T4H2-RH - Manual (Page 51)

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GS-R12T4H2-RH Rack Mount Server
Processor Power Management
Figure 2-1-1: Processor Power Management
EIST (GV3) & C State
Enabled Enable EIST (GV3) and C State items. (Default setting)
Disabled Disable EIST (GV3) and C State items.
EIST (GV3)
Enabled Enable EIST (GV3. (Default setting)
Disabled Disable EIST (GV3).
EIST PSD Function
HW_ALL In HW_ALL mode, the rpocessor hardware is responsible for coordinating
the P-state among logical processors dependencies. The OS is responsible
for keeping the P-state request up to date on all logical processors.
(Default setting)