Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
SLP_S0# Debug 2 (SLP_S0_DBG_2) – Offset 10bc
This register captures the state of low power events involved in SLP_S0# entry to assist with debug. The status is captured as part of C10 entry(once CPU has entered package C10).
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
30:14 | - | - | Reserved
|
13 | 0b | RO/V | Platform Aggregated System Latency Tolerance value is greater than the Threshold (ASLT_GT_THRES_STS) This bit when 1 indicates that the platform ASLT is greater than threashold |
12 | 0b | RO/V | PCH to CPU wake not pending. (PMSYNC_STATE_IDLE_STS) This bit when 1 indicates that PMSYNC requests are not active. |
11 | - | - | Reserved
|
10 | 0b | RO/V | CNVi specific wake request (CNV_VNN_REQ_STS) This bit when 1 indicates that CNV VNN Req is active. |
9 | - | - | Reserved
|
8 | 0b | RO/V | ISH specific wake request (ISH_VNN_REQ_STS) This bit when 1 indicates that ISH Vnn Req is active. |
7 | - | - | Reserved
|
6 | 0b | RO/V | PCIe Low Power Status (PCIE_LP_STS) PCIe Root Port controllers are in low power state (power gated) |
5 | - | - | Reserved
|
4 | 0b | RO/V | Gbe connection status (GBE_NO_LINK_STS) This bit when 1 indicates that the GBE interface is disconected. |
3:2 | - | - | Reserved
|
1 | 0b | RO/V | ME Power Gated Status (CSME_PG_STS) This bit when 1 indicates that all power gated domains in Intel(R) ME are turned off. |
0 | 0b | RO/V | High Speed IO logic power gated status (MPHY_CORE_PG_STS) This bit when 1 indicates that mphy core and data lanes are off. |