82801FB Datasheet, PDF (641/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Intel^® High Definition Audio Controller Registers (D27:F0)
18.1.31
DEVCAP—Device Capabilities Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 74h
Default Value: 00000000h
Attribute:
Size:
RO, R/WO
32 bits
Bit
Description
31:28
27:26
25:18
17:15
14
13
12
11:9
8:6
5
4:3
2:0
Reserved
Captured Slot Power Limit Scale (SPLS) — RO. Hardwired to 0.
Captured Slot Power Limit Value (SPLV) — RO. Hardwired to 0.
Reserved
Power Indicator Present — RO. Hardwired to 0.
Attention Indicator Present — RO. Hardwired to 0.
Attention Button Present — RO. Hardwired to 0.
Endpoint L1 Acceptable Latency — R/WO.
Endpoint L0s Acceptable Latency — R/WO.
Extended Tag Field Support — RO. Hardwired to 0. Indicates 5-bit tag field support
Phantom Functions Supported — RO. Hardwired to 0. This field indicates that phantom functions
not supported
Max Payload Size Supported — RO. Hardwired to 0. This field indicates 128-B maximum payload
size capability
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
641