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

CPU, Power, Memory

Uncore

Uncore firmware setup page decoded from AMI HII/IFR resources.

Form ID
0x27f3
Records
5
Path
Setup / Advanced / OverClocking Performance Menu / Uncore / Setup / Advanced / Advanced / OverClocking Performance Menu / Uncore

Record 1343

Uncore Voltage Mode

Firmware Value

Selects between Adaptive and Override Voltage modes.

Firmware help text

Selects between Adaptive and Override Voltage modes. In Override Mode the voltage selected will be applied over all operating frequencies. In Adaptive Mode the voltage is interpolated only in turbo mode. Uses Mailbox MSR 0x150, cmd 0x10, 0x11.

Form
Uncore
Opcode
OneOf
Question ID
0x4c5
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x2de
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0AdaptiveStandard defaultManufacturing default
1Override

Record 1344

Uncore Voltage Override

Firmware Value

Specifies the Override Voltage applied to the SA Uncore domain.

Firmware help text

Specifies the Override Voltage applied to the SA Uncore domain. This voltage is specified in millivolts. Uses Mailbox MSR 0x150, cmd 0x11. Range 0-2000 mV.

Form
Uncore
Opcode
Numeric
Question ID
0x4c6
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x2df
Width
2 byte(s)
Range
0 to 2000 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Visibility / conditions

  • {"condition_id": 522, "type": "SuppressIf", "offset": 373600, "expr": ["EqIdVal QuestionId: 0x4C5, Value: 0x0"]}

Record 1345

Uncore Extra Turbo Voltage

Firmware Value

Specifies the extra turbo voltage applied while SA Uncore is operating in turbo mode.

Firmware help text

Specifies the extra turbo voltage applied while SA Uncore is operating in turbo mode. Uses Mailbox MSR 0x150, cmd 0x10, 0x11. Range 0-2000 mV

Form
Uncore
Opcode
Numeric
Question ID
0x4c7
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x2e1
Width
2 byte(s)
Range
0 to 2000 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Visibility / conditions

  • {"condition_id": 523, "type": "SuppressIf", "offset": 373639, "expr": ["EqIdVal QuestionId: 0x4C5, Value: 0x1"]}

Record 1346

VccSA Voltage Offset

Firmware Value

Range -1000 to 1000 mV

Form
Uncore
Opcode
Numeric
Question ID
0x4c8
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x260
Width
2 byte(s)
Range
0 to 1000 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 1347

Offset Prefix

Firmware Value

Sets the offset value as positive or negative.

Form
Uncore
Opcode
OneOf
Question ID
0x4c9
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x262
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
0+Standard defaultManufacturing default
1-