MSI Message High Address Register @0x98
This register contains the most significant 32 bits of the 64-bit address sent by the Controller in MSI messages. A value of all zeroes in this register is taken to mean that the Controller should use 32-bit addresses in the messages.
| Bits | SW | Name | Description | Reset |
|---|---|---|---|---|
| 31:0 | R/W | Message Address High [MAH] | Contains bits 63:32 of the 64-bit address to be used in MSI Messages. A value of 0 specifies that 32-bit addresses are to be used in the messages. This field can also be written from the local management bus. | 0x0 |