PCIe and Graphics

PCI Express Root Port 20

PCI Express Root Port 20 firmware setup page decoded from AMI HII/IFR resources.

Form ID: 0x13f7
Records: 34
Parents: PCI Express Configuration
Path: Setup / Chipset / PCH-IO Configuration / PCI Express Configuration / PCI Express Root Port 20

Record 3922

PCI Express Root Port 20

Firmware Value

Control the PCI Express Root Port.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe5c
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x112
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Permalink

Record 3923

Connection Type

Firmware Value

Built-In: a built-in device is connected to this rootport.

Firmware help text

Built-In: a built-in device is connected to this rootport. SlotImplemented bit will be clear. Slot: this rootport connects to user-accessible slot. SlotImplemented bit will be set.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe5d
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x37a
Width: 1 byte(s)
Range: 0 to 1 step 0

Value	Label	Markers
`0`	Built-in
`1`	Slot	Standard default

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1622, "type": "GrayOutIf", "offset": 499700, "expr": ["EqIdVal QuestionId: 0xE6A, Value: 0x1"]}

Permalink

Record 3924

ASPM

Firmware Value

Set the ASPM Level: Force L0s - Force all links to L0s State AUTO - BIOS auto configure DISABLE - Disables ASPM

Firmware help text

Set the ASPM Level: Force L0s - Force all links to L0s State AUTO - BIOS auto configure DISABLE - Disables ASPM

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0x15f3
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x12e
Width: 1 byte(s)
Range: 0 to 4 step 0

Value	Label	Markers
`0`	Disabled	Standard default
`2`	L1
`4`	Auto

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3925

L1 Substates

Firmware Value

PCI Express L1 Substates settings.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0x160f
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x2d2
Width: 1 byte(s)
Range: 0 to 2 step 0

Value	Label	Markers
`0`	Disabled	Standard defaultManufacturing default
`1`	L1.1
`2`	L1.1 & L1.2

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3926

L1 Low

Firmware Value

PCI Express L1 Low Substate Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe5e
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x2ee
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3927

ACS

Firmware Value

Enable/Disable Access Control Services Extended Capability

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe5f
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x30a
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3928

PTM

Firmware Value

Enable/Disable Precision Time Measurement

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0x162b
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x326
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3929

DPC

Firmware Value

Enable/Disable Downstream Port Containment

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe60
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x342
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3930

EDPC

Firmware Value

Enable/Disable Rootport extensions for Downstream Port Containment

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe61
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x35e
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3931

URR

Firmware Value

PCI Express Unsupported Request Reporting Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe62
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x14a
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3932

FER

Firmware Value

PCI Express Device Fatal Error Reporting Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe63
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x166
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3933

NFER

Firmware Value

PCI Express Device Non-Fatal Error Reporting Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe64
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x182
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3934

CER

Firmware Value

PCI Express Device Correctable Error Reporting Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe65
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x19e
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3935

SEFE

Firmware Value

Root PCI Express System Error on Fatal Error Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe66
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x1f2
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3936

SENFE

Firmware Value

Root PCI Express System Error on Non-Fatal Error Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe67
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x20e
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3937

SECE

Firmware Value

Root PCI Express System Error on Correctable Error Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe68
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x22a
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3938

PME SCI

Firmware Value

PCI Express PME SCI Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe69
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x246
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3939

Hot Plug

Firmware Value

PCI Express Hot Plug Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe6a
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x262
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1623, "type": "GrayOutIf", "offset": 500252, "expr": ["EqIdVal QuestionId: 0xE5D, Value: 0x0"]}

Permalink

Record 3940

Advanced Error Reporting

Firmware Value

Advanced Error Reporting Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe6b
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x27e
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3941

PCIe Speed

Firmware Value

Configure PCIe Speed

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe6c
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x29a
Width: 1 byte(s)
Range: 0 to 3 step 0

Value	Label	Markers
`0`	Auto	Standard default
`1`	Gen1
`2`	Gen2
`3`	Gen3

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3942

Transmitter Half Swing

Firmware Value

Transmitter Half Swing Enable/Disable.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe6d
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x2b6
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3943

Detect Timeout

Firmware Value

The number of milliseconds reference code will wait for link to exit Detect state for enabled ports before assuming there is no device and potentially disabling the port.

Form: PCI Express Root Port 20
Opcode: Numeric
Question ID: 0xe6e
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x3a9
Width: 2 byte(s)
Range: 0 to 65535 step 1

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`0`

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3944

Extra Bus Reserved

Firmware Value

Extra Bus Reserved (0-7) for bridges behind this Root Bridge.

Form: PCI Express Root Port 20
Opcode: Numeric
Question ID: 0xe6f
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x532
Width: 1 byte(s)
Range: 0 to 7 step 1

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`0`

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3945

Reserved Memory

Firmware Value

Reserved Memory for this Root Bridge (1-20) MB

Form: PCI Express Root Port 20
Opcode: Numeric
Question ID: 0xe70
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x561
Width: 2 byte(s)
Range: 1 to 20 step 1

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`10`

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3946

Reserved I/O

Firmware Value

Reserved I/O (4K/8K/12K/16K/20K) Range for this Root Bridge.

Form: PCI Express Root Port 20
Opcode: Numeric
Question ID: 0xe71
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x586
Width: 1 byte(s)
Range: 4 to 20 step 4

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`4`

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3947

LTR

Firmware Value

PCH PCIE Latency Reporting Enable/Disable

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe72
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x3f6
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3948

Snoop Latency Override

Firmware Value

Snoop Latency Override for PCH PCIE.

Firmware help text

Snoop Latency Override for PCH PCIE. Disabled: Disable override. Manual: Manually enter override values. Auto (default): Maintain default BIOS flow.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe73
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x42e
Width: 1 byte(s)
Range: 0 to 2 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1624, "type": "SuppressIf", "offset": 500567, "expr": ["EqIdVal QuestionId: 0xE72, Value: 0x0"]}

Permalink

Record 3949

Snoop Latency Value

Firmware Value

LTR Snoop Latency value of PCH PCIE

Form: PCI Express Root Port 20
Opcode: Numeric
Question ID: 0xe74
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x4b1
Width: 2 byte(s)
Range: 0 to 1023 step 1

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`60`

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1624, "type": "SuppressIf", "offset": 500567, "expr": ["EqIdVal QuestionId: 0xE72, Value: 0x0"]}
{"condition_id": 1625, "type": "SuppressIf", "offset": 500615, "expr": ["EqIdVal QuestionId: 0xE73, Value: 0x1", "Not"]}

Permalink

Record 3950

Snoop Latency Multiplier

Firmware Value

LTR Snoop Latency Multiplier of PCH PCIE

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe75
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x44a
Width: 1 byte(s)
Range: 0 to 5 step 0

Value	Label	Markers
`0`	1 ns
`1`	32 ns
`2`	1024 ns	Standard defaultManufacturing default
`3`	32768 ns
`4`	1048576 ns
`5`	33554432 ns

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1624, "type": "SuppressIf", "offset": 500567, "expr": ["EqIdVal QuestionId: 0xE72, Value: 0x0"]}
{"condition_id": 1625, "type": "SuppressIf", "offset": 500615, "expr": ["EqIdVal QuestionId: 0xE73, Value: 0x1", "Not"]}

Permalink

Record 3951

Non Snoop Latency Override

Firmware Value

Non Snoop Latency Override for PCH PCIE.

Firmware help text

Non Snoop Latency Override for PCH PCIE. Disabled: Disable override. Manual: Manually enter override values. Auto (default): Maintain default BIOS flow.

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe76
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x466
Width: 1 byte(s)
Range: 0 to 2 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1624, "type": "SuppressIf", "offset": 500567, "expr": ["EqIdVal QuestionId: 0xE72, Value: 0x0"]}

Permalink

Record 3952

Non Snoop Latency Value

Firmware Value

LTR Non Snoop Latency value of PCH PCIE

Form: PCI Express Root Port 20
Opcode: Numeric
Question ID: 0xe77
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x4e9
Width: 2 byte(s)
Range: 0 to 1023 step 1

Default store records

Store ID	Store label	Value	Option label
`0`	Standard	`60`

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1624, "type": "SuppressIf", "offset": 500567, "expr": ["EqIdVal QuestionId: 0xE72, Value: 0x0"]}
{"condition_id": 1626, "type": "SuppressIf", "offset": 500759, "expr": ["EqIdVal QuestionId: 0xE76, Value: 0x1", "Not"]}

Permalink

Record 3953

Non Snoop Latency Multiplier

Firmware Value

LTR Non Snoop Latency Multiplier of PCH PCIE

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe78
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x482
Width: 1 byte(s)
Range: 0 to 5 step 0

Value	Label	Markers
`0`	1 ns
`1`	32 ns
`2`	1024 ns	Standard defaultManufacturing default
`3`	32768 ns
`4`	1048576 ns
`5`	33554432 ns

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}
{"condition_id": 1624, "type": "SuppressIf", "offset": 500567, "expr": ["EqIdVal QuestionId: 0xE72, Value: 0x0"]}
{"condition_id": 1626, "type": "SuppressIf", "offset": 500759, "expr": ["EqIdVal QuestionId: 0xE76, Value: 0x1", "Not"]}

Permalink

Record 3954

LTR Lock

Firmware Value

PCIE LTR Configuration Lock

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe79
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0x412
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink

Record 3955

Peer Memory Write Enable

Firmware Value

Peer Memory Write Enable/Disable

Form: PCI Express Root Port 20
Opcode: OneOf
Question ID: 0xe7a
VarStore: PchSetup
VarStore GUID: 4570B7F1-ADE8-4943-8DC3-406472842384
Offset: 0xd1
Width: 1 byte(s)
Range: 0 to 1 step 0

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

Visibility / conditions

{"condition_id": 1621, "type": "SuppressIf", "offset": 499692, "expr": ["EqIdVal QuestionId: 0xE5C, Value: 0x0"]}

Permalink