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

Onboard Devices

Serial IO SPI1 Settings

Serial IO SPI1 Settings firmware setup page decoded from AMI HII/IFR resources.

Form ID
0x83
Records
4
Path
Setup / Chipset / PCH-IO Configuration / SerialIo Configuration / Serial IO SPI1 Settings

Record 4555

ChipSelect 0 polarity

Firmware Value

Sets initial polarity for ChipSelect signal.

Firmware help text

Sets initial polarity for ChipSelect signal. Active low is with initial idle polarity of low and vice versa

Opcode
OneOf
Question ID
0x10ba
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6d4
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0Active Low
1Active HighStandard defaultManufacturing default

Record 4556

ChipSelect 1 polarity

Firmware Value

Sets initial polarity for ChipSelect signal.

Firmware help text

Sets initial polarity for ChipSelect signal. Active low is with initial idle polarity of low and vice versa

Opcode
OneOf
Question ID
0x10bb
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6d5
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0Active Low
1Active HighStandard defaultManufacturing default

Record 4557

Connected device

Firmware Value

Indicates what type of device is connected to this SerialIo controller

Opcode
Numeric
Question ID
0x10bc
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0x5e8
Width
1 byte(s)
Range
0 to 255 step 0

Default store records

Store IDStore labelValueOption label
0Standard0

Visibility / conditions

  • {"condition_id": 1789, "type": "SuppressIf", "offset": 523575, "expr": ["True"]}

Record 4558

Serial IO Finger Print Settings

Menu Link

Select the HID to enable Finger Print Sensor

Opcode
Ref
Question ID
0x10bd

Visibility / conditions

  • {"condition_id": 1790, "type": "SuppressIf", "offset": 523615, "expr": ["EqIdValList QuestionId: 0x10BC, Values: [1]", "Not"]}