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Diagnostic settings surfaced first

Record 51

Re-Size BAR Support

Diagnostic

If system has Resizable BAR capable PCIe Devices, this option Enables or Disables Resizable BAR Support.

Form: PCI Subsystem Settings
Opcode: OneOf
Question ID: 0x2f
VarStore: Setup
VarStore GUID: EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset: 0xcd9
Width: 1 byte(s)
Range: 0 to 1 step 0
Observed value: 1
Observed label: Enabled
Observed date: 2026-10-14T03:10:49.661810+00:00
Observed source: selected-live-settings.json

Value	Label	Markers
`0`	Disabled
`1`	Enabled

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`0`	Disabled
`1`	Manufacturing	`0`	Disabled

Visibility / conditions

{"condition_id": 28, "type": "GrayOutIf", "offset": 321042, "expr": ["EqIdVal QuestionId: 0x1186, Value: 0x1"]}

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Record 2948

PCIe Speed

Diagnostic

Configure PCIe Speed

Form: PCI Express Root Port 2
Opcode: OneOf
Question ID: 0xad1
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x36b
Width: 1 byte(s)
Range: 0 to 4 step 0
Observed value: 3
Observed label: Gen3
Observed date: 2026-10-14T03:10:49.661810+00:00
Observed source: selected-live-settings.json

Value	Label	Markers
`0`	Auto	Standard defaultManufacturing default
`1`	Gen1
`2`	Gen2
`3`	Gen3
`4`	Gen4

Visibility / conditions

{"condition_id": 1287, "type": "SuppressIf", "offset": 459086, "expr": ["EqIdVal QuestionId: 0xABD, Value: 0x0", "Value", "Uint64 Value: 0x1", "Uint64 Value: 0x1", "Equal", "Uint64 Value: 0x1", "Uint64 Value: 0x0", "Conditional"]}

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Record 2951

Detect Timeout

Diagnostic

The number of milliseconds reference code will wait for link to exit Detect state for enabled ports before assuming there is no device and potentially disabling the port.

Form: PCI Express Root Port 2
Opcode: Numeric
Question ID: 0xad4
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x3a0
Width: 2 byte(s)
Range: 0 to 65535 step 1
Observed value: 0
Observed date: 2026-10-14T03:10:49.661810+00:00
Observed source: selected-live-settings.json

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`0`

Visibility / conditions

{"condition_id": 1287, "type": "SuppressIf", "offset": 459086, "expr": ["EqIdVal QuestionId: 0xABD, Value: 0x0", "Value", "Uint64 Value: 0x1", "Uint64 Value: 0x1", "Equal", "Uint64 Value: 0x1", "Uint64 Value: 0x0", "Conditional"]}

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Record 2925

PCI Express Clock Gating

Diagnostic

PCI Express Clock Gating Enable/Disable for each root port.

Form: PCI Express Root Port 2
Opcode: OneOf
Question ID: 0x277c
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x2a7
Width: 1 byte(s)
Range: 0 to 1 step 0
Observed value: 1
Observed label: Enabled
Observed date: 2026-10-14T03:10:49.661810+00:00
Observed source: selected-live-settings.json

Value	Label	Markers
`0`	Disabled
`1`	Enabled	Standard defaultManufacturing default

Visibility / conditions

{"condition_id": 1287, "type": "SuppressIf", "offset": 459086, "expr": ["EqIdVal QuestionId: 0xABD, Value: 0x0"]}

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Record 2926

PCI Express Power Gating

Diagnostic

PCI Express Power Gating Enable/Disable for each root port.

Form: PCI Express Root Port 2
Opcode: OneOf
Question ID: 0xabf
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x2ab
Width: 1 byte(s)
Range: 0 to 1 step 0
Observed value: 1
Observed label: Enabled
Observed date: 2026-10-14T03:10:49.661810+00:00
Observed source: selected-live-settings.json

Value	Label	Markers
`0`	Disabled
`1`	Enabled	Standard defaultManufacturing default

Visibility / conditions

{"condition_id": 1287, "type": "SuppressIf", "offset": 459086, "expr": ["EqIdVal QuestionId: 0xABD, Value: 0x0"]}

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