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

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ISH Configuration

ISH Configuration firmware setup page decoded from AMI HII/IFR resources.

Form ID
0x27b9
Records
17
Parents
PCH-IO Configuration
Path
Setup / Chipset / PCH-IO Configuration / ISH Configuration

Record 4579

ISH Controller

Firmware Value

Enables/Disables Integrated Sensor Hub (ISH) Device

Form
ISH Configuration
Opcode
OneOf
Question ID
0x10d2
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c1
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0DisabledStandard defaultManufacturing default
1Enabled

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}

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Record 4580

PDT Unlock Message

Firmware Value

Checked = Sends PDT Unlock Message to ISH.

Firmware help text

Checked = Sends PDT Unlock Message to ISH. After the message is sent the field is set back to unchecked automatically.

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d3
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6d1

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4581

SPI_0

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d4
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c2

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4582

SPI_0 CS_0

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d5
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c3

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}
  • {"condition_id": 1808, "type": "SuppressIf", "offset": 524716, "expr": ["EqIdVal QuestionId: 0x10D4, Value: 0x0"]}

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Record 4583

UART0

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d6
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c4

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4584

UART1

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d7
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c5

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4585

I2C0

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d8
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c6

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4586

I2C1

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10d9
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c7

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4587

I2C2

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10da
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c8

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4588

GP_0

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10db
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6c9

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4589

GP_1

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10dc
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6ca

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4590

GP_2

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10dd
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6cb

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4591

GP_3

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10de
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6cc

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4592

GP_4

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10df
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6cd

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4593

GP_5

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10e0
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6ce

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4594

GP_6

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10e1
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6cf

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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Record 4595

GP_7

Firmware Value

Checked = Pin set to ISH Native function.

Firmware help text

Checked = Pin set to ISH Native function. Checkbox grayed out = disable conflicting SerialIo controller to set. Shared pins: 1. ISH UART0 - LPSS I2C2(PCH-H) 2. ISH UART1 - LPSS UART1 3. ISH I2C2 - LPSS I2C5(PCH-LP) / I2C3(PCH-H)

Form
ISH Configuration
Opcode
CheckBox
Question ID
0x10e2
VarStore
PchSetup
VarStore GUID
4570B7F1-ADE8-4943-8DC3-406472842384
Offset
0x6d0

Visibility / conditions

  • {"condition_id": 1806, "type": "SuppressIf", "offset": 524627, "expr": ["EqIdVal QuestionId: 0x1187, Value: 0x0"]}
  • {"condition_id": 1807, "type": "SuppressIf", "offset": 524668, "expr": ["EqIdVal QuestionId: 0x10D2, Value: 0x0"]}

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