12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
Package Power Limit (PACKAGE_RAPL_LIMIT_0_0_0_MCHBAR_PCU) – Offset 59A0
The Integrated Graphics driver, CPM driver, BIOS and OS can balance the power budget between the Primary Power Plane (IA) and the Secondary Power Plane (GT) via PRIMARY_PLANE_TURBO_POWER_LIMIT_MSR and SECONDARY_PLANE_TURBO_POWER_LIMIT_MSR.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
63 | 0x0 | RW/L | Package Limitation #2 Lock (PKG_PWR_LIM_LOCK) When set, all settings in this register are locked and are treated as Read Only. |
62:48 | 0h | RO | Reserved |
47 | 0x0 | RW/L | Package Limitation #2 Enable (PKG_PWR_LIM_2_EN) This bit enables/disables Package Limitation #2 (PL2). |
46:32 | 0x0 | RW/L | Package Power Limitation #2 (PKG_PWR_LIM_2) This field indicates the power limitation #2. |
31:24 | 0h | RO | Reserved |
23:17 | 0x0 | RW/L | Package Limitation #1 Time Window (PKG_PWR_LIM_1_TIME) Specifies the time window used to calculate average power for PL1 and PL2. |
16 | 0x0 | RW/L | Package Clamping limitation #1 (PKG_CLMP_LIM_1) Allows going below P1. |
15 | 0x0 | RW/L | Package Power Limit 1 Enable (PKG_PWR_LIM_1_EN) This bit enables/disables Package Power Limit 1. |
14:0 | 0x0 | RW/L | Package Power Limit 1 (PKG_PWR_LIM_1) This field indicates the power limitation #1. |