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

CPU, Power, Memory

CEP Disable

CEP Disable firmware setup page decoded from AMI HII/IFR resources.

Form ID
0x27f6
Records
2
Parents
OverClocking Performance Menu
Path
Setup / Advanced / OverClocking Performance Menu / CEP Disable / Setup / Advanced / Advanced / OverClocking Performance Menu / CEP Disable

Record 1368

IA CEP Enable

Firmware Value

Enable/Disable IA CEP (Current Excursion Protection) Support.

Firmware help text

Enable/Disable IA CEP (Current Excursion Protection) Support. Uses pCode Mailbox Command 0x37, Sub-command 0x1. Set Data bit2 to 1.

Form
CEP Disable
Opcode
OneOf
Question ID
0x4de
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x334
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
1Enabled
0DisabledStandard defaultManufacturing default

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Record 1369

GT CEP Enable

Firmware Value

Enable/Disable GT CEP (Current Excursion Protection) Support.

Firmware help text

Enable/Disable GT CEP (Current Excursion Protection) Support. Uses pCode Mailbox Command 0x37, Sub-command 0x1. Set Data bit3 to 1.

Form
CEP Disable
Opcode
OneOf
Question ID
0x4df
VarStore
CpuSetup
VarStore GUID
B08F97FF-E6E8-4193-A997-5E9E9B0ADB32
Offset
0x335
Width
1 byte(s)
Range
0 to 1 step 0
ValueLabelMarkers
1Enabled
0DisabledStandard defaultManufacturing default

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