Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
Command (CMD) – Offset 4
Command
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15:11 | 0h | RO | RSVD0 (RSVD0) Reserved |
10 | 0h | RW | Interrupt Disable (ID) This disables pin-based INTx# interrupts. This bit has no effect on MSI operation. When set, internal INTx# will not be generated. When cleared, internal INTx# are generated if there is an interrupt and MSI is not enabled. |
9 | 0h | RO | RSVD1 (RSVD1) Reserved |
8 | 0h | RW | SERR# Enable (SEE) When set to 1, the HBA is allowed to generate SERR# on DPD or SATAGC.URD event that is enabled for SERR# generation. When cleared to 0, it is not. |
7 | 0h | RO | RSVD2 (RSVD2) Reserved |
6 | 0h | RW | Parity Error Response Enable (PEE) When set, the SATA Controller will corrupt the outbound DATA FIS CRC if a forwarded data parity error is indicated. |
5:3 | 0h | RO | RSVD3 (RSVD3) Reserved |
2 | 0h | RW | Bus Master Enable (BME) Controls the SATA Controller's ability to act as a master for data transfers. This bit does not impact the generation of completions for split transaction commands. |
1 | 0h | RW | Memory Space Enable (MSE) Controls access to the SATA Controller's target memory space (for AHCI). |
0 | 0h | RW | I/O Space Enable (IOSE) Controls access to the SATA Controller's target I/O space. |