NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 438
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NH82801GHM S L8YR
Manufacturer Part Number
NH82801GHM S L8YR
Description
Manufacturer
Intel
Datasheet
1.NH82801GHM_S_L8YR.pdf
(848 pages)
Specifications of NH82801GHM S L8YR
Lead Free Status / RoHS Status
Compliant
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438
7:5
3:1
Bit
4
0
THRM_DTY — WO. This write-once field determines the duty cycle of the throttling
when the FORCE_THTL bit is set. The duty cycle indicates the approximate percentage
of time the STPCLK# signal is asserted while in the throttle mode. The STPCLK#
throttle period is 1024 PCICLKs. Note that the throttling only occurs if the system is in
the C0 state. For mobile/Ultra Mobile only, If in the C2, C3, or C4 state, no throttling
occurs.
Once the THRM_DTY field is written, any subsequent writes will have no effect until
PLTRST# goes active.
THTL_EN — R/W. When set and the system is in a C0 state, it enables a processor-
controlled STPCLK# throttling. The duty cycle is selected in the THTL_DTY field.
0 = Disable
1 = Enable
THTL_DTY — R/W. This field determines the duty cycle of the throttling when the
THTL_EN bit is set. The duty cycle indicates the approximate percentage of time the
STPCLK# signal is asserted (low) while in the throttle mode. The STPCLK# throttle
period is 1024 PCICLKs.
Reserved
THRM_DTY
THTL_DTY
000b
001b
010b
011b
100b
101b
110b
111b
000b
001b
010b
011b
100b
101b
110b
111b
Throttle Mode
Throttle Mode
50% (Default)
50% (Default)
87.5%
75.0%
62.5%
37.5%
12.5%
87.5%
75.0%
62.5%
37.5%
12.5%
50%
25%
50%
25%
PCI Clocks
PCI Clocks
Description
512
896
768
640
512
384
256
128
512
896
768
640
512
384
256
128
LPC Interface Bridge Registers (D31:F0)
Intel
®
ICH7 Family Datasheet
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