i9 BIOS
Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026

Record 65

CPU Flex Ratio Override

Firmware Value

Enable/Disable CPU Flex Ratio Programming

Form
Turbo
Opcode
OneOf
Question ID
0x3d
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x3
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0DisabledStandard defaultManufacturing default
1Enabled

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Record 66

CPU Flex Ratio Settings

Firmware Value

This value must be between Max Efficiency Ratio (LFM) and Maximum non-turbo ratio set by Hardware (HFM).

Form
Turbo
Opcode
Numeric
Question ID
0x2a3b
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x1
Width
1 byte(s)
Range
0 to 63 step 0

Default store records

Store IDStore labelValueOption label
0Standard20

Visibility / conditions

  • {"condition_id": 44, "type": "GrayOutIf", "offset": 321733, "expr": ["EqIdVal QuestionId: 0x3D, Value: 0x0"]}

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Record 67

Intel(R) Turbo Boost Max Technology 3.0

Firmware Value

Enable/Disable Intel(R) Turbo Boost Max Technology 3.0 support.

Firmware help text

Enable/Disable Intel(R) Turbo Boost Max Technology 3.0 support. Disabling will report the maximum ratio of the slowest core in _CPC object.

Form
Turbo
Opcode
OneOf
Question ID
0x2a3c
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0xc
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0Disabled
1EnabledStandard defaultManufacturing default

Visibility / conditions

  • {"condition_id": 45, "type": "SuppressIf", "offset": 321768, "expr": ["EqIdVal QuestionId: 0x1291, Value: 0x0", "EqIdVal QuestionId: 0x1294, Value: 0x0", "Or"]}

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Record 68

BIST

Firmware Value

Enable/Disable BIST (Built-In Self Test) on reset

Form
Turbo
Opcode
OneOf
Question ID
0x3e
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x7
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0DisabledStandard defaultManufacturing default
1Enabled

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Record 69

Turbo Mode

Firmware Value

Enable/Disable processor Turbo Mode (requires EMTTM enabled too).

Firmware help text

Enable/Disable processor Turbo Mode (requires EMTTM enabled too). AUTO means enabled.

Form
Turbo
Opcode
OneOf
Question ID
0x2a3d
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x16
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0Disabled
1EnabledStandard defaultManufacturing default

Visibility / conditions

  • {"condition_id": 46, "type": "SuppressIf", "offset": 321854, "expr": ["EqIdVal QuestionId: 0x272B, Value: 0x0", "EqIdVal QuestionId: 0x272C, Value: 0x0", "And", "EqIdVal QuestionId: 0x1293, Value: 0x0", "Or"]}

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Record 70

AC Loadline

Firmware Value

AC Loadline defined in 1/100 mOhms.

Firmware help text

AC Loadline defined in 1/100 mOhms. A value of 100 = 1.00 mOhm, and 1255 = 12.55 mOhm. Range is 0-6249 (0-62.49 mOhms). 0 = AUTO/HW default. Uses BIOS mailbox command 0x2.

Form
Turbo
Opcode
Numeric
Question ID
0x3f
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x132
Width
2 byte(s)
Range
0 to 62500 step 0

Default store records

Store IDStore labelValueOption label
0Standard0

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Record 71

DC Loadline

Firmware Value

DC Loadline defined in 1/100 mOhms.

Firmware help text

DC Loadline defined in 1/100 mOhms. A value of 100 = 1.00 mOhm, and 1255 = 12.55 mOhm. Range is 0-6249 (0-62.49 mOhms). 0 = AUTO/HW default. Uses BIOS mailbox command 0x2.

Form
Turbo
Opcode
Numeric
Question ID
0x40
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x13c
Width
2 byte(s)
Range
0 to 62500 step 0

Default store records

Store IDStore labelValueOption label
0Standard0

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Record 72

CPU Power Limit Override

Firmware Value

Override CPU Power Limit,12.5W = 12500

Form
Turbo
Opcode
OneOf
Question ID
0x41
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd16
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0AutoStandard defaultManufacturing default
1Manual

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Record 73

Platform PL1 Enable

Firmware Value

Enable/Disable Platform Power Limit 1 programming.

Firmware help text

Enable/Disable Platform Power Limit 1 programming. If this option is enabled, it activates the PL1 value to be used by the processor to limit the average power of given time window.

Form
Turbo
Opcode
OneOf
Question ID
0x42
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd19
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0Disabled
1EnabledStandard defaultManufacturing default

Visibility / conditions

  • {"condition_id": 47, "type": "SuppressIf", "offset": 322006, "expr": ["EqIdVal QuestionId: 0x41, Value: 0x0"]}

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Record 74

Platform PL1 Power

Firmware Value

Platform Power Limit 1 Power in Milli Watts/Percent.

Firmware help text

Platform Power Limit 1 Power in Milli Watts/Percent. BIOS will round to the nearest 1/8W when programming. Any value can be programmed between Max and Min Power Limits (specified by PACKAGE_POWER_SKU_MSR). For example, if 12.50W, enter 12500, if 12%, enter 12000, if 50%, enter 50000. This setting will act as the new PL1 value for the Package RAPL algorithm.

Form
Turbo
Opcode
Numeric
Question ID
0x43
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd1a
Width
4 byte(s)
Range
0 to 4095875 step 125

Default store records

Store IDStore labelValueOption label
0Standard95000

Visibility / conditions

  • {"condition_id": 47, "type": "SuppressIf", "offset": 322006, "expr": ["EqIdVal QuestionId: 0x41, Value: 0x0"]}
  • {"condition_id": 48, "type": "SuppressIf", "offset": 322047, "expr": ["EqIdVal QuestionId: 0x42, Value: 0x0"]}

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Record 75

Platform PL1 Time Window

Firmware Value

Platform Power Limit 1 Time Window value in seconds.

Firmware help text

Platform Power Limit 1 Time Window value in seconds. The value may vary from 0 to 128. 0 = default values. Indicates the time window over which Platform Processor Base Power (TDP) value should be maintained.

Form
Turbo
Opcode
OneOf
Question ID
0x44
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd1e
Width
1 byte(s)
Range
0 to 128 step 0
ValueLabelMarkers
00
11Standard defaultManufacturing default
22
33
44
55
66
77
88
1010
1212
1414
1616
2020
2424
2828
3232
4040
4848
5656
6464
8080
9696
112112
128128

Visibility / conditions

  • {"condition_id": 47, "type": "SuppressIf", "offset": 322006, "expr": ["EqIdVal QuestionId: 0x41, Value: 0x0"]}
  • {"condition_id": 48, "type": "SuppressIf", "offset": 322047, "expr": ["EqIdVal QuestionId: 0x42, Value: 0x0"]}

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Record 76

Platform PL2 Enable

Firmware Value

Enable/Disable Platform Power Limit 2 programming.

Firmware help text

Enable/Disable Platform Power Limit 2 programming. If this option is disabled, BIOS will program the default values for Platform Power Limit 2.

Form
Turbo
Opcode
OneOf
Question ID
0x45
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd1f
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0Disabled
1EnabledStandard defaultManufacturing default

Visibility / conditions

  • {"condition_id": 47, "type": "SuppressIf", "offset": 322006, "expr": ["EqIdVal QuestionId: 0x41, Value: 0x0"]}

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Record 77

Platform PL2 Power

Firmware Value

Platform Power Limit 2 Power in Milli Watts/Percent.

Firmware help text

Platform Power Limit 2 Power in Milli Watts/Percent. BIOS will round to the nearest 1/8W when programming. Any value can be programmed between Max and Min Power Limits (specified by PACKAGE_POWER_SKU_MSR). For example, if 12.50W, enter 12500, if 12%, enter 12000, if 50%, enter 50000. This setting will act as the new PL2 value for the Package RAPL algorithm.

Form
Turbo
Opcode
Numeric
Question ID
0x46
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd20
Width
4 byte(s)
Range
0 to 4095875 step 125

Default store records

Store IDStore labelValueOption label
0Standard168000

Visibility / conditions

  • {"condition_id": 47, "type": "SuppressIf", "offset": 322006, "expr": ["EqIdVal QuestionId: 0x41, Value: 0x0"]}
  • {"condition_id": 49, "type": "SuppressIf", "offset": 322321, "expr": ["EqIdVal QuestionId: 0x45, Value: 0x0"]}

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Record 78

Memory profile

Firmware Value

Select DIMM timing profile.

Firmware help text

Select DIMM timing profile. The below values start with the currently running values and don't auto populate.

Form
Turbo
Opcode
OneOf
Question ID
0x2a3e
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x18d
Width
1 byte(s)
Range
0 to 3 step 0
ValueLabelMarkers
0Default ProfileStandard defaultManufacturing default
1Custom Profile
2XMP Profile 1
3XMP Profile 2

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Record 79

Maximum Memory Frequency

Observed

Maximum Memory Frequency Selections in Mhz.

Form
Turbo
Opcode
OneOf
Question ID
0x2a3f
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x18b
Width
2 byte(s)
Range
0 to 4267 step 0
Observed value
2133
Observed label
2133
Observed date
2026-10-14T03:10:49.661810+00:00
Observed source
selected-live-settings.json
ValueLabelMarkers
0Auto
21002100
21332133
22002200
24002400
26672667
27002700
28002800
29002900
29332933
30003000
30673067
31003100
32003200
34003400
36003600
37333733
38673867
40004000
42004200
42674267

Default store records

Store IDStore labelValueOption label
0Standard0Auto

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Record 80

Memory Voltage VDDQ

Observed

Memory Voltage Override (Vddq).

Firmware help text

Memory Voltage Override (Vddq). Default = no override

Form
Turbo
Opcode
OneOf
Question ID
0x47
VarStore
Setup
VarStore GUID
EC87D643-EBA4-4BB5-A1E5-3F3E36B20DA9
Offset
0xd17
Width
1 byte(s)
Range
0 to 4 step 0
Observed value
2
Observed label
1.350V
Observed date
2026-10-14T03:10:49.661810+00:00
Observed source
selected-live-settings.json
ValueLabelMarkers
0AutoStandard defaultManufacturing default
11.230V
21.350V
31.50V
41.60V

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Record 81

Memory Reference Clock

Firmware Value

100MHz, 133MHz.

Form
Turbo
Opcode
OneOf
Question ID
0x2a40
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x5
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0133Standard defaultManufacturing default
1100

Visibility / conditions

  • {"condition_id": 52, "type": "GrayOutIf", "offset": 322820, "expr": ["EqIdVal QuestionId: 0x2A3E, Value: 0x1", "Not"]}

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Record 82

Gear Mode

Observed

Gear Mode

Form
Turbo
Opcode
OneOf
Question ID
0x48
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x1fe
Width
1 byte(s)
Range
0 to 2 step 0
Observed value
2
Observed label
Gear2
Observed date
2026-10-14T03:10:49.661810+00:00
Observed source
selected-live-settings.json
ValueLabelMarkers
0AutoStandard defaultManufacturing default
1Gear1
2Gear2

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Record 83

Memory Custom Profile Control

Menu Link

Memory Custom Profile Control

Form
Turbo
Opcode
Ref
Question ID
0x49

Visibility / conditions

  • {"condition_id": 53, "type": "SuppressIf", "offset": 322907, "expr": ["EqIdVal QuestionId: 0x2A3E, Value: 0x1", "Not"]}

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