Firmware Menus
PCI Subsystem Settings
PCI Subsystem Settings firmware setup page decoded from AMI HII/IFR resources.
- Form ID
- 0x2a39
- Records
- 3
- Parents
- Advanced
- Path
- Setup / Advanced / PCI Subsystem Settings
Record 49
PCIe Speed
Observed
Configure PCIe Speed
- Opcode
- OneOf
- Question ID
- 0x2d
- 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 |
Record 50
Above 4G Decoding
Observed
Enables or Disables 64bit capable Devices to be Decoded in Above 4G Address Space (Only if System Supports 64 bit PCI Decoding).
- Opcode
- OneOf
- Question ID
- 0x2e
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0xcd8
- 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 | 1 | Enabled |
1 | Manufacturing | 1 | Enabled |
Visibility / conditions
- {"condition_id": 26, "type": "SuppressIf", "offset": 320959, "expr": ["Uint64 Value: 0x1", "Uint64 Value: 0x0", "Equal"]}
- {"condition_id": 27, "type": "GrayOutIf", "offset": 320985, "expr": ["EqIdVal QuestionId: 0x1186, Value: 0x1"]}
Record 51
Re-Size BAR Support
Diagnostic
If system has Resizable BAR capable PCIe Devices, this option Enables or Disables Resizable BAR Support.
- 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"]}