Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Device Capabilities (GIO_DEV_CAP) – Offset 44
The Device Capabilities register identifies PCI Express device specific capabilities.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:29 | 0h | RO | Reserved |
| 28 | 0x1 | RO | Function Level Reset Capability (FUNC_LVL_RES)
|
| 27:26 | 0x0 | RO | Slot Power Limit Scale (SLT_PW_LSCL) Captured Slot Power Limit Scale |
| 25:18 | 0x0 | RO | Slot Power Limit Value (SLT_PW_LVAL) Captured Slot Power Limit Value |
| 17:16 | 0h | RO | Reserved |
| 15 | 0x0 | RO | Error Reporting Support (ROLE_BASED_ERR) This field indicates that the device support Error reporting [driven from OTP] |
| 14:12 | 0h | RO | Reserved |
| 11:9 | 0x7 | RO | Endpoint L1 Acceptable Latency (L1_ACC_LAT)
|
| 8:6 | 0x3 | RO | Endpoint L0s Acceptable Latency (L0S_ACC_LAT)
|
| 5 | 0x0 | RO | Extended Tag Field (EX_TAG_FIELD) Extended Tag Field Supported |
| 4:3 | 0x0 | RO | Phantom Functions (PHAN_FUNCS) Phantom Functions Supported |
| 2:0 | 0x0 | RO | Max_Payload_Size Supported (MAX_PL_SIZE) Max_Payload_Size Supported |