Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026
Onboard Devices
DTBT Controller 0 Configuration
DTBT Controller 0 Configuration firmware setup page decoded from AMI HII/IFR resources.
- Form ID
- 0x2817
- Records
- 9
- Path
- Setup / Advanced / Thunderbolt(TM) Configuration / Discrete Thunderbolt(TM) Configuration / DTBT Controller 0 Configuration / Setup / Advanced / Advanced / Thunderbolt(TM) Configuration / Discrete Thunderbolt(TM) Configuration / DTBT Controller 0 Configuration / Setup / Advanced / Platform Settings / TCSS Platform Setting / Thunderbolt(TM) Configuration / Discrete Thunderbolt(TM) Configuration / DTBT Controller 0 Configuration
Record 1478
DTBT Controller 0
Firmware Value
AUTO - Default, Enable - RVP3 PCIe Root Port1, CNL RVP5 - PCIe Root Port5, CNL SDS - PCIe Root Port5
- Opcode
- OneOf
- Question ID
- 0x280a
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7aa
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
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Record 1479
DTbt Root Port Type
Firmware Value
Select the TBT Root Port Type.
Firmware help text
Select the TBT Root Port Type. PCH or PEG
- Opcode
- OneOf
- Question ID
- 0x280b
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7ac
- Width
- 1 byte(s)
- Range
- 1 to 2 step 0
Visibility / conditions
- {"condition_id": 599, "type": "SuppressIf", "offset": 379190, "expr": ["EqIdVal QuestionId: 0x124F, Value: 0x1", "Not"]}
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Record 1480
TBT Host Router
Firmware Value
Enable the host router based on ports available.
- Opcode
- OneOf
- Question ID
- 0x280c
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7b1
- Width
- 1 byte(s)
- Range
- 1 to 2 step 0
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Record 1481
Extra Bus Reserved
Firmware Value
Extra Bus Reserved 56-One port Host,106-Two port Host.
- Opcode
- Numeric
- Question ID
- 0x543
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7b3
- Width
- 1 byte(s)
- Range
- 0 to 255 step 1
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Record 1482
Reserved Memory
Firmware Value
Reserved Memory for this Root Bridge (1-4096) MB
- Opcode
- Numeric
- Question ID
- 0x544
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7b5
- Width
- 2 byte(s)
- Range
- 1 to 4096 step 1
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Record 1483
Memory Alignment
Firmware Value
Memory Alignment (0-31 bits)
- Opcode
- Numeric
- Question ID
- 0x545
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7bb
- Width
- 1 byte(s)
- Range
- 0 to 31 step 1
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Record 1484
Reserved PMemory
Firmware Value
Reserved Prefetchable Memory for this Root Bridge (1-4096) MB
- Opcode
- Numeric
- Question ID
- 0x546
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7bd
- Width
- 2 byte(s)
- Range
- 1 to 4096 step 1
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Record 1485
PMemory Alignment
Firmware Value
PMemory Alignment (0-31 bits)
- Opcode
- Numeric
- Question ID
- 0x547
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7c1
- Width
- 1 byte(s)
- Range
- 0 to 31 step 1
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Reserved I/O
- Opcode
- Numeric
- Question ID
- 0x548
- VarStore
- Setup
- VarStore GUID
- EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
- Offset
- 0x7b9
- Width
- 1 byte(s)
- Range
- 0 to 60 step 4
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