Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
Command (CMD) – Offset 4
Command
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
14:11 | - | - | Reserved
|
10 | 0h | RW | Interrupt Disable (ID) This disables pin-based INTx# interrupts. This bit has no effect on MSI operation. |
9 | - | - | Reserved
|
8 | 0h | RW | SERR# Enable (SEE) 0 = SERR# messages will not be generated. |
7 | - | - | Reserved
|
6 | 0h | RW | Parity Error Response Enable (PEE) 0 = Disabled. SATA controller will not generate PERR# when a data parity error is detected. |
5:3 | - | - | 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). If Fabric Decoding scheme is used, this register bit is shadowed by the Fabric Decoder. |
0 | 0h | RW | I/O Space Enable (IOSE) Controls access to the SATA Controller's target I/O space. If Fabric Decoding scheme is used, this register bit is shadowed by the Fabric Decoder. |