Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026
Onboard Devices
SA TCSS USB Configuration
SA TCSS USB Configuration firmware setup page decoded from AMI HII/IFR resources.
- Form ID
- 0x2792
- Records
- 8
- Path
- Setup / Chipset / System Agent (SA) Configuration / TCSS setup menu / SA TCSS USB Configuration
Record 2140
USB CONNECT OVERRIDE
Firmware Value
Option will allow VCCSTTPC to turn off even when there is a connection for a USB3 port.
- Opcode
- OneOf
- Question ID
- 0x7ba
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0xc3
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2141
TCSS xDCI Support
Firmware Value
Enable/Disable TCSS xDCI
- Opcode
- OneOf
- Question ID
- 0x7bb
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0xbf
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
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Record 2142
TCSS CPU USB PDO Programming
Firmware Value
Select 'Enabled' if Port Disable Override functionality is used.
- Opcode
- OneOf
- Question ID
- 0x7bc
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3e9
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
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Record 2143
TCSS CPU USB Port Disable Override
Firmware Value
Selectively Enable/Disable the corresponding USB port from reporting a Device Connection to the controller.
- Opcode
- OneOf
- Question ID
- 0x7bd
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3ea
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Visibility / conditions
- {"condition_id": 1007, "type": "SuppressIf", "offset": 412708, "expr": ["EqIdVal QuestionId: 0x7BC, Value: 0x0"]}
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Record 2144
TCSS CPU USB SS Physical Connector #0
Firmware Value
Enable/Disable this USB Physical Connector (physical port).
Firmware help text
Enable/Disable this USB Physical Connector (physical port). Once disabled, any USB devices plug into the connector will not be detected by BIOS or OS.
- Opcode
- OneOf
- Question ID
- 0x7be
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3eb
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Visibility / conditions
- {"condition_id": 1007, "type": "SuppressIf", "offset": 412708, "expr": ["EqIdVal QuestionId: 0x7BC, Value: 0x0"]}
- {"condition_id": 1008, "type": "SuppressIf", "offset": 412764, "expr": ["EqIdVal QuestionId: 0x7BD, Value: 0x0"]}
- {"condition_id": 1009, "type": "SuppressIf", "offset": 412772, "expr": ["EqIdVal QuestionId: 0x11E8, Value: 0x0"]}
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Record 2145
TCSS CPU USB SS Physical Connector #1
Firmware Value
Enable/Disable this USB Physical Connector (physical port).
Firmware help text
Enable/Disable this USB Physical Connector (physical port). Once disabled, any USB devices plug into the connector will not be detected by BIOS or OS.
- Opcode
- OneOf
- Question ID
- 0x7bf
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3ec
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Visibility / conditions
- {"condition_id": 1007, "type": "SuppressIf", "offset": 412708, "expr": ["EqIdVal QuestionId: 0x7BC, Value: 0x0"]}
- {"condition_id": 1008, "type": "SuppressIf", "offset": 412764, "expr": ["EqIdVal QuestionId: 0x7BD, Value: 0x0"]}
- {"condition_id": 1010, "type": "SuppressIf", "offset": 412815, "expr": ["EqIdVal QuestionId: 0x11E7, Value: 0x0"]}
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Record 2146
TCSS CPU USB SS Physical Connector #2
Firmware Value
Enable/Disable this USB Physical Connector (physical port).
Firmware help text
Enable/Disable this USB Physical Connector (physical port). Once disabled, any USB devices plug into the connector will not be detected by BIOS or OS.
- Opcode
- OneOf
- Question ID
- 0x7c0
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3ed
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Visibility / conditions
- {"condition_id": 1007, "type": "SuppressIf", "offset": 412708, "expr": ["EqIdVal QuestionId: 0x7BC, Value: 0x0"]}
- {"condition_id": 1008, "type": "SuppressIf", "offset": 412764, "expr": ["EqIdVal QuestionId: 0x7BD, Value: 0x0"]}
- {"condition_id": 1011, "type": "SuppressIf", "offset": 412858, "expr": ["EqIdVal QuestionId: 0x11E6, Value: 0x0"]}
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Record 2147
TCSS CPU USB SS Physical Connector #3
Firmware Value
Enable/Disable this USB Physical Connector (physical port).
Firmware help text
Enable/Disable this USB Physical Connector (physical port). Once disabled, any USB devices plug into the connector will not be detected by BIOS or OS.
- Opcode
- OneOf
- Question ID
- 0x7c1
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3ee
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Visibility / conditions
- {"condition_id": 1007, "type": "SuppressIf", "offset": 412708, "expr": ["EqIdVal QuestionId: 0x7BC, Value: 0x0"]}
- {"condition_id": 1008, "type": "SuppressIf", "offset": 412764, "expr": ["EqIdVal QuestionId: 0x7BD, Value: 0x0"]}
- {"condition_id": 1012, "type": "SuppressIf", "offset": 412901, "expr": ["EqIdVal QuestionId: 0x11E5, Value: 0x0"]}
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