Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026
Onboard Devices
HD Audio Advanced Configuration
HD Audio Advanced Configuration firmware setup page decoded from AMI HII/IFR resources.
- Form ID
- 0x27b5
- Records
- 19
- Path
- Setup / Chipset / PCH-IO Configuration / HD Audio Configuration / HD Audio Advanced Configuration
Record 4317
iDisplay Audio Disconnect
Firmware Value
Disconnects SDI2 signal to hide/disable iDisplay Audio Codec.
- Opcode
- OneOf
- Question ID
- 0xfcc
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x592
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4318
Codec Sx Wake Capability
Firmware Value
Capability to detect wake initiated by a codec in Sx (eg by modem codec)
- Opcode
- OneOf
- Question ID
- 0xfcd
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a6
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Enables PME wake of HD Audio controller during POST.
- Opcode
- OneOf
- Question ID
- 0xfce
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x593
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4320
HD Audio Link Frequency
Firmware Value
Selects HD Audio Link frequency.
Firmware help text
Selects HD Audio Link frequency.
Applicable only if HDA codec supports selected frequency.
- Opcode
- OneOf
- Question ID
- 0xfcf
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a3
- Width
- 1 byte(s)
- Range
- 0 to 2 step 0
Permalink
Record 4321
iDisplay Audio Link Frequency
Firmware Value
Selects iDisplay Link frequency.
- Opcode
- OneOf
- Question ID
- 0xfd0
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a4
- Width
- 1 byte(s)
- Range
- 3 to 4 step 0
Permalink
Record 4322
iDisplay Audio Link T-Mode
Firmware Value
Indicates whether SDI is operating in 1T, 2T (CNL) or 2T, 4T, 8T mode (ICL).
- Opcode
- OneOf
- Question ID
- 0xfd1
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a5
- Width
- 1 byte(s)
- Range
- 0 to 4 step 0
Permalink
Record 4323
Autonomous Clock Stop SNDW #0
Firmware Value
Enable/Disable Autonomous Clock Stop for SoundWire LINK0
- Opcode
- OneOf
- Question ID
- 0xfd2
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a7
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4324
Autonomous Clock Stop SNDW #1
Firmware Value
Enable/Disable Autonomous Clock Stop for SoundWire LINK1
- Opcode
- OneOf
- Question ID
- 0xfd3
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a8
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4325
Autonomous Clock Stop SNDW #2
Firmware Value
Enable/Disable Autonomous Clock Stop for SoundWire LINK2
- Opcode
- OneOf
- Question ID
- 0xfd4
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5a9
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4326
Autonomous Clock Stop SNDW #3
Firmware Value
Enable/Disable Autonomous Clock Stop for SoundWire LINK3
- Opcode
- OneOf
- Question ID
- 0xfd5
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5aa
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4327
Data On Active Interval Select SNDW #0
Firmware Value
Data On Active Interval Select: 1) 6 clock periods 2) 7 clock periods 3) 8 clock periods 4) 11 clock periods 5)
Firmware help text
Data On Active Interval Select:
1) 6 clock periods
2) 7 clock periods
3) 8 clock periods
4) 11 clock periods
5)
- Opcode
- OneOf
- Question ID
- 0xfd6
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5ab
- Width
- 1 byte(s)
- Range
- 0 to 3 step 0
Permalink
Record 4328
Data On Active Interval Select SNDW #1
Firmware Value
Data On Active Interval Select: 1) 6 clock periods 2) 7 clock periods 3) 8 clock periods 4) 11 clock periods 5)
Firmware help text
Data On Active Interval Select:
1) 6 clock periods
2) 7 clock periods
3) 8 clock periods
4) 11 clock periods
5)
- Opcode
- OneOf
- Question ID
- 0xfd7
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5ac
- Width
- 1 byte(s)
- Range
- 0 to 3 step 0
Permalink
Record 4329
Data On Active Interval Select SNDW #2
Firmware Value
Data On Active Interval Select: 1) 6 clock periods 2) 7 clock periods 3) 8 clock periods 4) 11 clock periods 5)
Firmware help text
Data On Active Interval Select:
1) 6 clock periods
2) 7 clock periods
3) 8 clock periods
4) 11 clock periods
5)
- Opcode
- OneOf
- Question ID
- 0xfd8
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5ad
- Width
- 1 byte(s)
- Range
- 0 to 3 step 0
Permalink
Record 4330
Data On Active Interval Select SNDW #3
Firmware Value
Data On Active Interval Select: 1) 6 clock periods 2) 7 clock periods 3) 8 clock periods 4) 11 clock periods 5)
Firmware help text
Data On Active Interval Select:
1) 6 clock periods
2) 7 clock periods
3) 8 clock periods
4) 11 clock periods
5)
- Opcode
- OneOf
- Question ID
- 0xfd9
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5ae
- Width
- 1 byte(s)
- Range
- 0 to 3 step 0
Permalink
Record 4331
Data On Delay Select SNDW #0
Firmware Value
Data On Delay Select: 1) 2 clock periods 2) 3 clock periods 3)
Firmware help text
Data On Delay Select:
1) 2 clock periods
2) 3 clock periods
3)
- Opcode
- OneOf
- Question ID
- 0xfda
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5af
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4332
Data On Delay Select SNDW #1
Firmware Value
Data On Delay Select: 1) 2 clock periods 2) 3 clock periods 3)
Firmware help text
Data On Delay Select:
1) 2 clock periods
2) 3 clock periods
3)
- Opcode
- OneOf
- Question ID
- 0xfdb
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5b0
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4333
Data On Delay Select SNDW #2
Firmware Value
Data On Delay Select: 1) 2 clock periods 2) 3 clock periods 3)
Firmware help text
Data On Delay Select:
1) 2 clock periods
2) 3 clock periods
3)
- Opcode
- OneOf
- Question ID
- 0xfdc
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5b1
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4334
Data On Delay Select SNDW #3
Firmware Value
Data On Delay Select: 1) 2 clock periods 2) 3 clock periods 3)
Firmware help text
Data On Delay Select:
1) 2 clock periods
2) 3 clock periods
3)
- Opcode
- OneOf
- Question ID
- 0xfdd
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x5b2
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 4335
ACX SSID 305610EC Codecs Topology
Firmware Value
Codecs: ALC711-VD1, ALC714-VC1, 2x ALC316
- Opcode
- OneOf
- Question ID
- 0xfde
- VarStore
- PchSetup
- VarStore GUID
- 4570B7F1-ADE8-4943-8DC3-406472842384
- Offset
- 0x7ff
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink