Specification Sheet
MCHBAR Registers
246 Datasheet, Volume 2 of 2
7.85 CONFIG—Offset 5F40h
Level 1 configurable TDP settings
Access Method
Default: 0h
Type: MEM
(Size: 64 bits)
Offset: [B:0, D:0, F:0] + 5F40h
6
3
6
0
5
6
5
2
4
8
4
4
4
0
3
6
3
2
2
8
2
4
2
0
1
6
1
2
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RSVD
PKG_MIN_PWR
RSVD
PKG_MAX_PWR
RSVD
TDP_RATIO
RSVD
PKG_TDP
Bit
Range
Default &
Access
Field Name (ID): Description
63
0h
RO
Reserved (RSVD): Reserved.
62:48
0h
RO_V
PKG_MIN_PWR: Min pkg power setting allowed for this config TDP level. Lower
values will be clamped up to this value.
Units defined in PACKAGE_POWER_SKU_MSR[PWR_UNIT].
Similar to PACKAGE_POWER_SKU[PKG_MIN_PWR].
47
0h
RO
Reserved (RSVD): Reserved.
46:32
0h
RO_V
PKG_MAX_PWR: Max pkg power setting allowed for this config TDP level1. Higher
values will be clamped down to this value.
Units defined in PACKAGE_POWER_SKU_MSR[PWR_UNIT].
Similar to PACKAGE_POWER_SKU[PKG_MAX_PWR].
31:24
0h
RO
Reserved (RSVD): Reserved.
23:16
0h
RO_V
TDP_RATIO: TDP ratio for config tdp level 1.
15
0h
RO
Reserved (RSVD): Reserved.
14:0
0h
RO_V
PKG_TDP: Power for this TDP level. Units defined in
PACKAGE_POWER_SKU_MSR[PWR_UNIT]
Similar to PACKAGE_POWER_SKU[PKG_TDP]