31

0h

RW/0C/V

(SPARE_​GT_​15_​LOG)

Reserved

30

0h

RW/0C/V

Minimum Supported Power Log (MSPE_​LOG)

Indicates that the frequency has throttled due to the processor was running below the minimum supported power.

29

0x0

RW/0C/V

Maximum Turbo Log (MAX_​TURBO_​LIMIT_​LOG)

Indicates that the frequency has throttled due to exceeding turbo limits.
When GT has more than 1 slice, the additional slices may cause GT to operate at a lower frequency.

28

0h

RW/0C/V

Inefficient Operation Log (INEFFICIENT_​OPERATION_​LOG)

Indicates that the current GT Frequency lower than the DCC target Frequency. Software should write to this bit to clear the status in this bit

27

0h

RW/0C/V

PL2/PL3 Status (PBM_​PL2_​LOG)

Indicates that PBM PL2 or PL3(package or platform PL2 or PL3) has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

26

0h

RW/0C/V

PL1 Log (PBM_​PL1_​LOG)

Indicates that PBM PL1 (package or platform PL1) has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

25

0h

RW/0C/V

(SPARE_​GT_​9_​LOG)

Reserved

24

0h

RW/0C/V

(OTHER_​LOG)

Other (IccMax, PL4, etc) Log, indicates that other has cause reason GT frequency clipping. Software should write to this bit to clear the status in this bit

23

0h

RW/0C/V

VR Thermal Design Current Log (VR_​TDC_​LOG)

Indicates that VR TDC (Thermal design current has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

22

0h

RW/0C/V

VR is Hot Log (VR_​THERMALERT_​LOG)

Indicates that Hot VR (any processor VR) has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

21

0h

RW/0C/V

Running Average Thermal Limit Log (RATL_​LOG)

Indicates that Running average thermal limit has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

20

0x0

RW/0C/V

(RSR_​LIMIT_​LOG)

Reserved

19

0x0

RW/0C/V

PCS Log (PCS_​LIMIT_​LOG)

Indicates that the frequency has throttled due to exceeding PECI power limits.

18

0x0

RW/0C/V

DDR Power Log (PBM_​LIMIT_​LOG)

Indicates that the frequency has throttled due to exceeding DDR power limits.

17

0h

RW/0C/V

Thermal Log (THERMAL_​LOG)

Indicates that Thermal event has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

16

0h

RW/0C/V

PROCHOT# Log (PROCHOT_​LOG)

Indicates that PROCHOT# has cause GT frequency clipping. Software should write to this bit to clear the status in this bit

15

0h

RO/V

(SPARE_​GT_​15)

Reserved.

14

0h

RO/V

Minimum Supported Power Status (MSPE)

Indicates that the processor is running below the min supported power

13

0x0

RO/V

Maximum Turbo Status (MAX_​TURBO_​LIMIT)

Indicates that GT n-slice fused limit was hit, causing GT frequency clipping

12

0h

RO/V

Inefficient Operation Status (INEFFICIENT_​OPERATION)

Indicates that the current GT Frequency lower than the DCC target Frequency.

11

0h

RO/V

PL2/3 Status (PBM_​PL2)

Indicates that PBM PL2 or PL3(package or platform PL2 or PL3) has cause GT frequency clipping.

10

0h

RO/V

PL1 Status (PBM_​PL1)

Indicates that PBM PL1 (package or platform PL1) has cause GT frequency clipping.

9

0h

RO/V

(SPARE_​GT_​9)

Reserved.

8

0h

RO/V

(OTHER)

Other (IccMax, PL4, etc) Status, Indicates that other has cause reason GT frequency clipping.

7

0h

RO/V

VR Thermal Design Current Status (VR_​TDC)

Indicates that VR TDC (Thermal design current has cause GT frequency clipping.

6

0h

RO/V

VR is Hot Status (VR_​THERMALERT)

Indicates that Hot VR (any processor VR) has cause GT frequency clipping.

5

0h

RO/V

Running Average Thermal Limit Status (RATL)

Indicates that Running average thermal limit has cause GT frequency clipping.

4

0x0

RO/V

(RSR_​LIMIT)

Reserved.

3

0x0

RO/V

PCS Status (PCS_​LIMIT)

Indicates that the frequency is throttled due to exceeding PECI power limits.

2

0x0

RO/V

DDR Power Status (PBM_​DDR)

Indicates that the frequency is throttled due to exceeding DDR power limits.

1

0h

RO/V

Thermal Status (THERMAL)

Indicates that Thermal event has cause GT frequency clipping.

0

0h

RO/V

PROCHOT# Status (PROCHOT)

Indicates that PROCHOT# has cause GT frequency clipping.