307013-003 Datasheet, PDF (720/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel® High Definition Audio Controller Registers (D27:F0)
19.1.33 DEVCAP—Device Capabilities Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 74h–77h
Default Value: 00000000h
Attribute:
Size:
R/WO, RO
32 bits
Bit
Description
31:28 Reserved
27:26 Captured Slot Power Limit Scale (SPLS) — RO. Hardwired to 0.
25:18 Captured Slot Power Limit Value (SPLV) — RO. Hardwired to 0.
17:15 Reserved
14 Power Indicator Present — RO. Hardwired to 0.
13 Attention Indicator Present — RO. Hardwired to 0.
12 Attention Button Present — RO. Hardwired to 0.
11:9 Endpoint L1 Acceptable Latency — R/WO.
8:6 Endpoint L0s Acceptable Latency — R/WO.
5 Extended Tag Field Support — RO. Hardwired to 0. Indicates 5-bit tag field support
4:3
Phantom Functions Supported — RO. Hardwired to 0. Indicates that phantom functions
are not supported
2:0
Max Payload Size Supported — RO. Hardwired to 0. Indicates 128-B maximum payload
size capability
720
Intel ^® ICH7 Family Datasheet