i9 BIOS
Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026

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VT-d Debug Settings

VT-d Debug Settings firmware setup page decoded from AMI HII/IFR resources.

Form ID
0x281f
Records
3
Path
Setup / Advanced / Debug Settings / VT-d Debug Settings / Setup / Advanced / Advanced / Debug Settings / VT-d Debug Settings

Record 1502

IGD VTD Enable

Firmware Value

Enable/Disable IGD VTD

Opcode
OneOf
Question ID
0x554
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x88
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
1EnabledStandard defaultManufacturing default
0Disabled

Visibility / conditions

  • {"condition_id": 603, "type": "GrayOutIf", "offset": 379963, "expr": ["EqIdVal QuestionId: 0x11EE, Value: 0x0", "EqIdVal QuestionId: 0x2A36, Value: 0x0", "Or"]}

Record 1503

IPU VTD Enable

Firmware Value

Enable/Disable IPU VTD

Opcode
OneOf
Question ID
0x555
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x89
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
1EnabledStandard defaultManufacturing default
0Disabled

Visibility / conditions

  • {"condition_id": 603, "type": "GrayOutIf", "offset": 379963, "expr": ["EqIdVal QuestionId: 0x11EE, Value: 0x0", "EqIdVal QuestionId: 0x2A36, Value: 0x0", "Or"]}

Record 1504

IOP VTD Enable

Firmware Value

Enable/Disable IOP VTD

Opcode
OneOf
Question ID
0x556
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x8a
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
1EnabledStandard defaultManufacturing default
0Disabled

Visibility / conditions

  • {"condition_id": 603, "type": "GrayOutIf", "offset": 379963, "expr": ["EqIdVal QuestionId: 0x11EE, Value: 0x0", "EqIdVal QuestionId: 0x2A36, Value: 0x0", "Or"]}