Processor Configuration Registers
B/D/F/Type:
Address Offset:
Reset Value:
Access:
0/0/0/MCHBAR PCU
5C20–5C23h
00000000h
RW
Size:
32 bits
Reset
Value
RST/
PWR
Bit
Access
Description
20:19
RW
00000000h
Reserved (RSVD)
pp1_clipped_pl1
18
17
16
15
RW
RW
RW
RW
00000000h
00000000h
00000000h
00000000h
Uncore
Uncore
Uncore
Uncore
Set if the PP1 (GT) frequency requested was clipped by PL1
(POWER_LIMIT_1) power limiting algorithm.
pp1_clipped_thermals
Set if the PP1 (GT) frequency requested was clipped by internal
Thermal Throttling algorithm.
pp1_clipped_ext_prochot
Set if the PP1 (GT) frequency requested was clipped by external
PROCHOT indication.
pp0_clipped
Set if the PP0 (IA) frequency requested by the operating system
was clipped.
pp0_clipped_n_core_turbo
Set if the PP0 (IA) frequency requested by the operating system
was clipped, but current frequency is lower than MAX_TURBO[n-
cores].
14
13
RW
RW
00000000h
00000000h
Uncore
Uncore
pp0_clipped_non_turbo
Set if the PP0 (IA) frequency requested by the operating system
was clipped, but current frequency is lower than
MAX_NON_TURBO.
12:9
8
RW
RW
00000000h
00000000h
Reserved (RSVD)
pp0_clipped_edp
Set if the PP0 (IA) frequency requested by the operating system
was clipped by EDP limit (Vmax, Iccmax, Reliability, and so on)
Uncore
Uncore
Uncore
Uncore
Uncore
pp0_clipped_mct
Set if the PP0 (IA) frequency requested by the operating system
was clipped by Multi Core Turbo demotion algorithm.
7
6
5
RW
RW
RW
00000000h
00000000h
00000000h
pp0_clipped_hot_vr
Set if the PP0 (IA) frequency requested by the operating system
was clipped by HOT indication from VR on SVID.
pp0_clipped_pl2
Set if the PP0 (IA) frequency requested by the operating system
was clipped by PL2 (POWER_LIMIT_2) power limiting algorithm.
pp0_clipped_gt_driver
Set if the PP0 (IA) frequency requested by the operating system
was clipped by GT driver.
4
3
2
RW
RW
RW
00000000h
00000000h
00000000h
Reserved (RSVD)
pp0_clipped_pl1
Set if the PP0 (IA) frequency requested by the operating system
was clipped by PL1 (POWER_LIMIT_1) power limiting algorithm.
Uncore
Uncore
Uncore
pp0_clipped_thermals
Set if the PP0 (IA) frequency requested by the operating system
was clipped by internal Thermal Throttling algorithm.
1
0
RW
RW
00000000h
00000000h
pp0_clipped_ext_prochot
Set if the PP0 (IA) frequency requested by the operating system
was clipped by external PROCHOT indication.
Datasheet, Volume 2
303
INTEL [ INTEL ]
