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DMI/OPI Configuration

DMI/OPI Configuration firmware setup page decoded from AMI HII/IFR resources.

Form ID: 0x2788
Records: 15
Parents: System Agent (SA) Configuration
Children: Gen3 Root Port Preset value for each Lane, Gen3 Endpoint Preset value for each Lane, Gen3 Endpoint Hint value for each Lane, Gen3 RxCTLE Control, DMI Advanced Menu
Path: Setup / Chipset / System Agent (SA) Configuration / DMI/OPI Configuration

Record 1993

DMI Max Link Speed

Firmware Value

Set DMI Speed Gen1/Gen2/Gen3

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x728
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x8b
Width: 1 byte(s)
Range: 1 to 4 step 0

Value	Label	Markers
`1`	Gen1
`2`	Gen2
`3`	Gen3
`4`	Gen4	Standard defaultManufacturing default

Visibility / conditions

{"condition_id": 997, "type": "SuppressIf", "offset": 407519, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}

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Record 1994

CDR Relock for CPU DMI

Firmware Value

Enable/Disable CDR Relock

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x729
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x3ff
Width: 1 byte(s)
Range: 0 to 1 step 0

Value	Label	Markers
`0`	Disabled	Standard defaultManufacturing default
`1`	Enabled

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Record 1995

DMI Gen3 Eq Phase 2

Firmware Value

Perform Gen3 Equalization Phase 2

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x72a
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x8d
Width: 1 byte(s)
Range: 0 to 2 step 0

Value	Label	Markers
`0`	Disabled
`1`	Enabled
`2`	Auto	Standard defaultManufacturing default

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1"]}

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Record 1996

DMI Gen3 Eq Phase 3 Method

Firmware Value

Select Method for Gen3 Equalization Phase 3

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x72b
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x8e
Width: 1 byte(s)
Range: 0 to 4 step 0

Value	Label	Markers
`0`	Auto	Standard defaultManufacturing default
`1`	Adaptive Hardware Equalization
`2`	Adaptive Software Equalization
`3`	Static Equalization
`4`	Disabled

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}

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Record 1997

Program Static Phase1 Eq

Firmware Value

Program Phase1 Presets/CTLEp

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x72c
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x8f
Width: 1 byte(s)
Range: 0 to 1 step 0

Value	Label	Markers
`0`	Disabled
`1`	Enabled	Standard defaultManufacturing default

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}
{"condition_id": 999, "type": "SuppressIf", "offset": 407776, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}

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Record 1998

Gen3 Root Port Preset value for each Lane

Menu Link

Root Port preset value per lane for Gen3 Equalization

Form: DMI/OPI Configuration
Opcode: Ref
Question ID: 0x72d

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}
{"condition_id": 999, "type": "SuppressIf", "offset": 407776, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}
{"condition_id": 1000, "type": "SuppressIf", "offset": 407821, "expr": ["EqIdVal QuestionId: 0x72C, Value: 0x0"]}

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Record 1999

Gen3 Endpoint Preset value for each Lane

Menu Link

Endpoint preset value per lane for Gen3 Equalization

Form: DMI/OPI Configuration
Opcode: Ref
Question ID: 0x72e

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}
{"condition_id": 999, "type": "SuppressIf", "offset": 407776, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}
{"condition_id": 1000, "type": "SuppressIf", "offset": 407821, "expr": ["EqIdVal QuestionId: 0x72C, Value: 0x0"]}

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Record 2000

Gen3 Endpoint Hint value for each Lane

Menu Link

Endpoint Hint value per lane for Gen3 Equalization

Form: DMI/OPI Configuration
Opcode: Ref
Question ID: 0x72f

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}
{"condition_id": 999, "type": "SuppressIf", "offset": 407776, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}
{"condition_id": 1000, "type": "SuppressIf", "offset": 407821, "expr": ["EqIdVal QuestionId: 0x72C, Value: 0x0"]}

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Record 2001

Gen3 RxCTLE Control

Menu Link

Gen3 RxCTLE Control per Bundle

Form: DMI/OPI Configuration
Opcode: Ref
Question ID: 0x730

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}
{"condition_id": 999, "type": "SuppressIf", "offset": 407776, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}

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Record 2002

DMI De-emphasis Control

Firmware Value

Configure the De-emphasis control on DMI

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x731
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0x8c
Width: 1 byte(s)
Range: 0 to 1 step 0

Value	Label	Markers
`0`	-6 dB
`1`	-3.5 dB	Standard defaultManufacturing default

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}
{"condition_id": 999, "type": "SuppressIf", "offset": 407776, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "Not"]}

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Record 2003

DMI Gen3 ASPM

Firmware Value

DMI Gen3 ASPM Support

Form: DMI/OPI Configuration
Opcode: OneOf
Question ID: 0x732
VarStore: SaSetup
VarStore GUID: 72C5E28C-7783-43A1-8767-FAD73FCCAFA4
Offset: 0xac
Width: 1 byte(s)
Range: 0 to 4 step 0

Value	Label	Markers
`0`	Disabled	Standard defaultManufacturing default
`4`	Auto
`1`	ASPM L0s
`2`	ASPM L1
`3`	ASPM L0sL1

Visibility / conditions

{"condition_id": 998, "type": "SuppressIf", "offset": 407630, "expr": ["EqIdVal QuestionId: 0x118C, Value: 0x1", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And", "InconsistentIf Error: \"Phase 3 Eq must be Software or Static if Phase 2 is diabled\"", "EqIdVal QuestionId: 0x72A, Value: 0x0", "EqIdVal QuestionId: 0x72B, Value: 0x1", "And"]}

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Record 2004