Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
Device PG Config (D0I3_MAX_POW_LAT_PG_CONFIG) – Offset a0
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
30:22 | - | - | Reserved
|
21 | 0b | RW | HAE (HAE)
|
20 | - | - | Reserved
|
19 | 0b | RW | Sleep Enable (SLEEP_EN)
|
18 | 0b | RW | PG Enable (PGE) If clear, then the controller will never request a PG. If set, thenthe controller may request PG when proper conditions are met. |
17 | 0b | RW | I3 Enable (I3_ENABLE) If ‘1’, then the function will power gate when idle and theDevIdle register (DevIdleC[2] = ‘1’) is set. |
16 | 0b | RW | PME Request Enable (PMCRE) If this bit is set to ‘1’, the function will power gatewhen idle. |
15:13 | - | - | Reserved
|
12:10 | 2h | RW/O | Power On Latency Scale (POW_LAT_SCALE)
|
9:0 | 000h | RW/O | Power On Latency Value (POW_LAT_VALUE) This value is written by BIOS tocommunicate to the Driver. |