Intel® HD Audio (D27:F0)
10.2.23 MSI_CTL—MSI Message Control Register
Address Offset:
Default Value:
62h–63h
0000h
Attribute:
Size:
RO, R/W
16 bits
Default
Bit
15:1
0
and
Access
Description
0000h
RO
Reserved
MSI Enable (ME)
0 = An MSI may not be generated
1 = An MSI will be generated instead of an INTx signal.
0
R/W
10.2.24 MSI_ADR—MSI Message Address Register
Address Offset:
Default Value:
64h–67h
00000000h
Attribute:
Size:
RO, R/W
32 bits
Default
Bit
and
Description
Access
0s
R/W
31:2
1:0
Message Lower Address (MLA): Address used for MSI message.
00b
RO
Reserved
10.2.25 MSI_DATA—MSI Message Data Register
Address Offset:
Default Value:
68h–69h
0000h
Attribute:
Size:
R/W
16 bits
Default
Bit
and
Description
Access
0000h
R/W
15:0
Message Data (MD): Data used for MSI message.
132
Datasheet
INTEL [ INTEL ]
