Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026
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Smart Fan Function
Smart Fan Function firmware setup page decoded from AMI HII/IFR resources.
Form ID 0x2854
Records 16
Path Setup / Advanced / Hardware Monitor / Smart Fan Function / Smart Fan Function / Setup / Advanced / Advanced / Hardware Monitor / Smart Fan Function / Smart Fan Function
Fan control mode select
Opcode OneOf
Question ID 0x5b3
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc6a
Width 1 byte(s)
Range 0 to 2 step 0 Permalink
Record 1600
Fan Monitor Temperature Source Select Firmware Value
Fan Monitor Temperature Source Select
Opcode OneOf
Question ID 0x5b4
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc6d
Width 1 byte(s)
Range 0 to 1 step 0 Visibility / conditions {"condition_id": 680, "type": "SuppressIf", "offset": 385371, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x2"]} Permalink
The amount of time Fan takes to increase its value by one step.(Units are intervals of 0.1 second)
Opcode Numeric
Question ID 0x5b5
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc6b
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 681, "type": "SuppressIf", "offset": 385414, "expr": ["Uint64 Value: 0x1"]} Permalink
Record 1602
Step down time Firmware Value
The amount of time Fan takes to decrease its value by one step.(Units are intervals of 0.1 second)
Opcode Numeric
Question ID 0x5b6
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc6c
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 681, "type": "SuppressIf", "offset": 385414, "expr": ["Uint64 Value: 0x1"]} Permalink
The value of temperature1.
Opcode Numeric
Question ID 0x5b7
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc7c
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of temperature2.
Opcode Numeric
Question ID 0x5b8
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc7d
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of temperature3.
Opcode Numeric
Question ID 0x5b9
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc7e
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of temperature4.
Opcode Numeric
Question ID 0x5ba
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc7f
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of Fan Duty/RPM when temperature is T1.
Opcode Numeric
Question ID 0x5bb
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc80
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of Fan Duty/RPM when temperature is T2.
Opcode Numeric
Question ID 0x5bc
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc81
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of Fan Duty/RPM when temperature is T3.
Opcode Numeric
Question ID 0x5bd
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc82
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
The value of Fan Duty/RPM when temperature is T4.
Opcode Numeric
Question ID 0x5be
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc83
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
Record 1611
Critical temperature Firmware Value
Fan temperature critical value.
Opcode Numeric
Question ID 0x5bf
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc6f
Width 1 byte(s)
Range 0 to 255 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
Record 1612
Critical tolerance Firmware Value
Critical Temperature Tolerance.
Opcode Numeric
Question ID 0x5c0
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc87
Width 1 byte(s)
Range 0 to 7 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} Permalink
Record 1613
Enable critical duty Firmware Value
Enable critical duty, if enable will use critical duty value for fan out.
Firmware help text Enable critical duty, if enable will use critical duty value for fan out. If not will use full speed for fan out.
Opcode OneOf
Question ID 0x5c1
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc70
Width 1 byte(s)
Range 0 to 1 step 0 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} {"condition_id": 683, "type": "SuppressIf", "offset": 385740, "expr": ["Uint64 Value: 0x1"]} Permalink
Record 1614
Critical duty value Firmware Value
The value for critical duty fan out.
Opcode Numeric
Question ID 0x5c2
VarStore Setup
VarStore GUID EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset 0xc71
Width 1 byte(s)
Range 0 to 127 step 1 Visibility / conditions {"condition_id": 682, "type": "SuppressIf", "offset": 385478, "expr": ["EqIdVal QuestionId: 0x5B3, Value: 0x1", "Not"]} {"condition_id": 683, "type": "SuppressIf", "offset": 385740, "expr": ["Uint64 Value: 0x1"]} {"condition_id": 684, "type": "SuppressIf", "offset": 385785, "expr": ["EqIdVal QuestionId: 0x5C1, Value: 0x1", "Not"]} Permalink