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

CPU, Power, Memory

Memory Custom Profile Control

Memory Custom Profile Control firmware setup page decoded from AMI HII/IFR resources.

Form ID
0x2a41
Records
20
Parents
Turbo
Path
Setup / Turbo / Memory Custom Profile Control

Record 84

00000 00000 00000

Firmware Value

CAS Latency, 0: AUTO, max: 31

Opcode
Numeric
Question ID
0x2a42
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x8
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 85

00000 00000 00000

Firmware Value

RAS to CAS delay time and Row Precharge delay time, 0: AUTO, max: 63

Opcode
Numeric
Question ID
0x2a43
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0xe
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 86

00000 00000 00000

Firmware Value

RAS Active Time, 0: AUTO, max: 64

Opcode
Numeric
Question ID
0x2a44
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0xc
Width
2 byte(s)
Range
0 to 65535 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 87

00000 00000 00000

Firmware Value

Min CAS Write Latency Delay Time, 0: AUTO, max: 20

Opcode
Numeric
Question ID
0x2a45
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x9
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 88

00000 00000 00000

Firmware Value

Min Four Activate Window Delay Time, 0: AUTO, max: 63

Opcode
Numeric
Question ID
0x2a46
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0xa
Width
2 byte(s)
Range
0 to 65535 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 89

00000 00000 00000

Firmware Value

Refresh Interval, 0: AUTO, max: 65535

Opcode
Numeric
Question ID
0x2a47
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0xf
Width
2 byte(s)
Range
0 to 65535 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 90

00000 00000 00000

Firmware Value

Min Refresh Recovery Delay Time, 0: AUTO, max: 1023

Opcode
Numeric
Question ID
0x2a48
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x11
Width
2 byte(s)
Range
0 to 65535 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 91

00000 00000 00000

Firmware Value

Min Row Active to Row Active Delay Time, 0: AUTO, max: 31

Opcode
Numeric
Question ID
0x2a49
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x13
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 92

00000 00000 00000

Firmware Value

Min Internal Read to Precharge Command Delay Time, 0: AUTO, max: 15.

Firmware help text

Min Internal Read to Precharge Command Delay Time, 0: AUTO, max: 15. DDR4 legal values: 5, 6, 7, 8, 9, 10, 12

Opcode
Numeric
Question ID
0x2a4a
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x14
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 93

00000 00000 00000

Firmware Value

Min Write Recovery Time, 0: AUTO

Opcode
Numeric
Question ID
0x2a4b
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x15
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 94

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 28

Opcode
Numeric
Question ID
0x2a4c
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x16
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 95

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 15000

Opcode
Numeric
Question ID
0x2a4d
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x435
Width
2 byte(s)
Range
0 to 15000 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 96

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 15000

Opcode
Numeric
Question ID
0x2a4e
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x437
Width
2 byte(s)
Range
0 to 15000 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 97

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 15000

Opcode
Numeric
Question ID
0x2a4f
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x439
Width
2 byte(s)
Range
0 to 15000 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 98

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max:80

Opcode
Numeric
Question ID
0x2a50
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x43b
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 99

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 80

Opcode
Numeric
Question ID
0x2a51
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x43c
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 100

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 127

Opcode
Numeric
Question ID
0x2a52
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x43d
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 101

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 80

Opcode
Numeric
Question ID
0x2a53
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x43e
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 102

00000 00000 00000

Firmware Value

Min Internal Write to Read Command Delay Time, 0: AUTO, max: 50

Opcode
Numeric
Question ID
0x2a54
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x43f
Width
1 byte(s)
Range
0 to 255 step 1

Default store records

Store IDStore labelValueOption label
0Standard0

Record 103

00000 00000 00000

Firmware Value

System command rate, range 0-2, 0 means auto, 1 = 1N, 2 = 2N

Opcode
Numeric
Question ID
0x2a55
VarStore
SaSetup
VarStore GUID
72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset
0x17
Width
1 byte(s)
Range
0 to 2 step 1

Default store records

Store IDStore labelValueOption label
0Standard0