Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
Host Partition Reset Causes (HPR_CAUSE0) – Offset 192c
This register logs causes of host partition resets.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:18 | 0h | RO | Reserved |
17 | 0h | RO/V | eSPI Host Reset With Power Cycle (ESPI_HRWPC) eSPI requested host partition reset with power cycle. |
16 | 0h | RO/V | eSPI Host Reset Without Power Cycle (ESPI_HRWOPC) eSPI requested host partition reset without power cycle |
15:14 | 0h | RO | Reserved |
13 | 0h | RO/V | Host SMBUS Host Reset With Power Cycle (HSMB_HRPC) SMBus initiated host partition reset with power cycle. |
12 | 0h | RO/V | Host SMBUS Host Reset Without Power Cycle (HSMB_HR) SMBus initiated host partition reset without power cycle. |
11 | 0h | RO | Reserved |
10 | 0h | RO/V | ME-Initiated Host Reset With Power Down (MI_HRPD) Intel® CSME initiated host reset with power down. |
9 | 0h | RO/V | ME-Initiated Host Reset With Power Cycle (MI_HRPC) Intel® CSME initiated host reset with power cycle. |
8 | 0h | RO/V | ME-Initiated Host Reset Without Power Cycle (MI_HR) Intel® CSME initiated host reset without power cycle. |
7 | 0h | RO | Reserved |
6 | 0h | RO/V | Host TCO Watchdog Timer Second Expiration (TCO_WDT) Host TCO watchdog timer reached zero for the second time. |
5:3 | 0h | RO | Reserved |
2 | 0h | RO/V | SYS_RESET# (SYSRST_ES) Assertion of the SYS_RESET# pin after the 16 ms HW debounce. |
1 | 0h | RO/V | Write to CF9 (CF9_ES) This bit will be set when Host software writes a value of 6h or Eh to the CF9 register. |
0 | 0h | RO | Reserved |