Leo-Patch 1.6 · Q1HY MoDT · Observations 14 October 2026
CPU, Power, Memory
Memory Training Algorithms
Memory Training Algorithms firmware setup page decoded from AMI HII/IFR resources.
- Form ID
- 0x2791
- Records
- 54
- Path
- Setup / Chipset / System Agent (SA) Configuration / Memory Configuration / Memory Training Algorithms
Record 2086
Early Command Training
Firmware Value
Early Command Training
- Opcode
- OneOf
- Question ID
- 0x785
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x1ff
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2087
SenseAmp Offset Training
Firmware Value
SenseAmp Offset Training
- Opcode
- OneOf
- Question ID
- 0x786
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x200
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2088
Early ReadMPR Timing Centering 2D
Firmware Value
Firmware value selected from the documented options.
- Opcode
- OneOf
- Question ID
- 0x787
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x201
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2089
Read MPR Training
Firmware Value
Read MPR Training
- Opcode
- OneOf
- Question ID
- 0x788
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x202
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2090
Receive Enable Training
Firmware Value
Receive Enable Training
- Opcode
- OneOf
- Question ID
- 0x789
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x203
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2091
Jedec Write Leveling
Firmware Value
Jedec Write Leveling
- Opcode
- OneOf
- Question ID
- 0x78a
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x204
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2092
Early Write Time Centering 2D
Firmware Value
Early Write Time Centering 2D
- Opcode
- OneOf
- Question ID
- 0x78b
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x205
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2093
Early Read Time Centering 2D
Firmware Value
Firmware value selected from the documented options.
- Opcode
- OneOf
- Question ID
- 0x78c
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x206
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2094
Write Timing Centering 1D
Firmware Value
Write Timing Centering 1D
- Opcode
- OneOf
- Question ID
- 0x78d
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x207
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2095
Write Voltage Centering 1D
Firmware Value
Firmware value selected from the documented options.
- Opcode
- OneOf
- Question ID
- 0x78e
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x208
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2096
Read Timing Centering 1D
Firmware Value
Read Timing Centering 1D
- Opcode
- OneOf
- Question ID
- 0x78f
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x209
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2097
Dimm ODT Training*
Firmware Value
Dimm On-Die Termination Training
- Opcode
- OneOf
- Question ID
- 0x790
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x20a
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Caps the maximum RTT_WR in power training.
- Opcode
- OneOf
- Question ID
- 0x791
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x244
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Visibility / conditions
- {"condition_id": 1005, "type": "GrayOutIf", "offset": 411166, "expr": ["EqIdVal QuestionId: 0x790, Value: 0x0"]}
Permalink
Record 2099
DIMM RON Training*
Firmware Value
DIMM RON Training
- Opcode
- OneOf
- Question ID
- 0x792
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x20b
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2100
Write Drive Strength/Equalization 2D*
Firmware Value
Firmware value selected from the documented options.
- Opcode
- OneOf
- Question ID
- 0x793
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x20c
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2101
Write Slew Rate Training*
Firmware Value
Write Slew Rate Training
- Opcode
- OneOf
- Question ID
- 0x794
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x20d
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2102
Read ODT Training*
Firmware Value
Read On-Die Termination Training
- Opcode
- OneOf
- Question ID
- 0x795
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x20e
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2103
Read Equalization Training*
Firmware Value
Read Equalization Training
- Opcode
- OneOf
- Question ID
- 0x796
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x20f
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2104
Read Amplifier Training*
Firmware Value
Read Amplifier Training
- Opcode
- OneOf
- Question ID
- 0x797
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x210
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2105
Write Timing Centering 2D
Firmware Value
Write Dq-Dqs Timing Centering 2D
- Opcode
- OneOf
- Question ID
- 0x798
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x211
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2106
Read Timing Centering 2D
Firmware Value
Read Dq-Dqs Timing Centering 2D
- Opcode
- OneOf
- Question ID
- 0x799
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x212
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2107
Command Voltage Centering
Firmware Value
Command Voltage Centering
- Opcode
- OneOf
- Question ID
- 0x79a
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x213
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2108
Write Voltage Centering 2D
Firmware Value
Write Voltage Centering 2D
- Opcode
- OneOf
- Question ID
- 0x79b
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x214
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2109
Read Voltage Centering 2D
Firmware Value
Read Voltage Centering 2D
- Opcode
- OneOf
- Question ID
- 0x79c
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x215
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2110
Late Command Training
Firmware Value
Late Command Training
- Opcode
- OneOf
- Question ID
- 0x79d
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x216
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2111
Round Trip Latency
Firmware Value
Round Trip Latency Training
- Opcode
- OneOf
- Question ID
- 0x79e
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x217
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2112
Turn Around Timing Training
Firmware Value
Turn Around Timing Training
- Opcode
- OneOf
- Question ID
- 0x79f
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x218
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2113
CMD CTL CLK Slew Rate
Firmware Value
CMD CTL CLK Slew Rate
- Opcode
- OneOf
- Question ID
- 0x7a0
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x24e
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2114
CMD/CTL DS & E 2D
Firmware Value
CMD/CTL Drive Strength and Equalization 2D
- Opcode
- OneOf
- Question ID
- 0x7a1
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x24d
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2115
Read Voltage Centering 1D
Firmware Value
Read Voltage Centering 1D
- Opcode
- OneOf
- Question ID
- 0x7a2
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x248
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2116
TxDqTCO Comp Training*
Firmware Value
TxDqTCO Comp Training*
- Opcode
- OneOf
- Question ID
- 0x7a3
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x249
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2117
ClkTCO Comp Training*
Firmware Value
ClkTCO Comp Training*
- Opcode
- OneOf
- Question ID
- 0x7a4
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x24c
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2118
TxDqsTCO Comp Training*
Firmware Value
TxDqsTCO Comp Training*
- Opcode
- OneOf
- Question ID
- 0x7a5
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x24a
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2119
VccDLL Bypass Training
Firmware Value
VccDLL Bypass Training
- Opcode
- OneOf
- Question ID
- 0x7a6
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x24b
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2120
CMD/CTL Drive Strength Up/Dn 2D
Firmware Value
CMD/CTL Drive Strength Up/Dn 2D
- Opcode
- OneOf
- Question ID
- 0x7a7
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x24f
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2121
DIMM CA ODT Training
Firmware Value
DIMM CA ODT Training
- Opcode
- OneOf
- Question ID
- 0x7a8
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x250
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2122
PanicVttDnLp Training*
Firmware Value
PanicVttDnLp Training*
- Opcode
- OneOf
- Question ID
- 0x7a9
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x251
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2123
Read Vref Decap Training*
Firmware Value
Read Vref Decap Training*
- Opcode
- OneOf
- Question ID
- 0x7aa
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x252
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Vddq Training
- Opcode
- OneOf
- Question ID
- 0x7ab
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x253
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2125
Duty Cycle Correction Training
Firmware Value
Duty Cycle Correction Training
- Opcode
- OneOf
- Question ID
- 0x7ac
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x254
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2126
Rank Margin Tool Per Bit
Firmware Value
Rank Margin Tool Per Bit
- Opcode
- OneOf
- Question ID
- 0x7ad
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x255
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2127
DIMM DFE Training
Firmware Value
DIMM DFE Training
- Opcode
- OneOf
- Question ID
- 0x7ae
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x404
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2128
EARLY DIMM DFE Training
Firmware Value
EARLY DIMM DFE Training
- Opcode
- OneOf
- Question ID
- 0x2773
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x477
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2129
Tx Dqs Dcc Training
Firmware Value
Tx Dqs duty cycle Training
- Opcode
- OneOf
- Question ID
- 0x7af
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x434
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2130
DRAM DCA Training
Firmware Value
DRAM DCA Training
- Opcode
- OneOf
- Question ID
- 0x7b0
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x468
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2131
Write Driver Strength Training
Firmware Value
Write Driver Strength Training
- Opcode
- OneOf
- Question ID
- 0x7b1
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x476
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2132
Rank Margin Tool
Firmware Value
Rank Margin Tool Training
- Opcode
- OneOf
- Question ID
- 0x7b2
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x219
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Memory Test Training
- Opcode
- OneOf
- Question ID
- 0x7b3
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x21a
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2134
DIMM SPD Alias Test
Firmware Value
Test to determine if the SPD has been corrupted to cause memory aliasing.
- Opcode
- OneOf
- Question ID
- 0x7b4
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x21b
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2135
Receive Enable Centering 1D
Firmware Value
Receive Enable Centering 1D
- Opcode
- OneOf
- Question ID
- 0x7b5
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x21c
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2136
Retrain Margin Check
Firmware Value
Retrain Margin Check
- Opcode
- OneOf
- Question ID
- 0x7b6
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x21d
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2137
Write Drive Strength Up/Dn independently
Firmware Value
Write Drive Strength Up/Dn independently
- Opcode
- OneOf
- Question ID
- 0x7b7
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x21e
- Width
- 1 byte(s)
- Range
- 0 to 1 step 0
Permalink
Record 2138
Margin Check Limit
Firmware Value
Checks Margin to Limit to see if next boot memory needs to be retrain
- Opcode
- OneOf
- Question ID
- 0x7b8
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3f1
- Width
- 1 byte(s)
- Range
- 0 to 3 step 0
Permalink
Record 2139
Margin Limit Check L2
Firmware Value
L2 check threshold is scale of L1 check.
Firmware help text
L2 check threshold is scale of L1 check. Ex. 200 is 2 x L1 Check
- Opcode
- Numeric
- Question ID
- 0x7b9
- VarStore
- SaSetup
- VarStore GUID
- 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
- Offset
- 0x3f2
- Width
- 2 byte(s)
- Range
- 1 to 300 step 1
Visibility / conditions
- {"condition_id": 1006, "type": "GrayOutIf", "offset": 412543, "expr": ["EqIdVal QuestionId: 0x7B8, Value: 0x0", "EqIdVal QuestionId: 0x7B8, Value: 0x1", "Or"]}
Permalink