Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
Maximum Latency, Minimum Grant, Interrupt Pin And Interrupt Line (IDE_HOST_MAXL_MING_INTP_INTL) – Offset 3c
This register contains the maximum latency, minumum grand, interrupt pin and interrupt level registers.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:24 | 0h | RO | Maximum Latency (MAXL) Not implemented. Hardwired to 0. |
23:16 | 0h | RO | Minimum Grant (MING) Not implemented. Hardwired to 0. |
15:8 | 0h | RO/V | Interrupt Pin (INTP) This register specifies which interrupt pin IDE uses in PCI interrupt mode. |
7:0 | 0h | RW | Interrupt Line (INTL) This register is used to communicate interrupt line routing information. POST software will write the routing information into this register as it initializes and configures the system. |