ADLINK cExpress-BL User Manual

Page 60

Advertising
background image

Page 60

cExpress-BL

7.3.11 Advanced > PCI and PCIe > PCH-PCIe Configuration

Feature

Options

Description

PCH-PCIe Configuration

Info only

PCI Express Clock Gating

Disable
Enable

Enable / Disable PCI Express Clock Gating for each root port.

DMI Link ASPM Control

Disable
Enable

The control of Active State Power Management on both NB side and SB
side of the DMI Link.

DMI Link Extended Synch Control

Disable
Enable

The control of Extended Synch on SB side of the DMI Link.

PCIE Root Port Function Swapping

Disable
Enable

Enable / Disable PCI Express PCI Express Root Port Function Swapping.

Subtractive Decode

Disable
Enable

Enable / Disable PCI Express Subtractive Decode.

PCIE Ports 1-4 Configuration

4x1 Port
1X2 2X1 Port
2X2 Port
1X4 Port

To configure PCI-E Port 1-4 of PCH.
[4X1] : Port 1-4 (x1) and Port 8 (x1)
[1x2 2x1]: Port 1 (x2), Port 2 (disabled), Ports 3 and Port 4 (x1) [2x2] :
Port 1-2 (x2) and Port 3-4 (x2) / [1x4]:Port 1 (x4), Ports 2-4 (disable)

PCI Express Root Port 1~4

Submenu

Configure PCI Express Root Port 1~4 setting.

PCIE Port 5 is assigned to LAN

Info only

7.3.12 Advanced > PCI and PCIe > PCH-PCIe Configuration >PCI Express Root Port

Feature

Options

Description

PCI Express Root Port

Disable
Enable

Control the PCI Express Root Port.

ASPM Support

Disabled
L0s
L1
L0sL1
Auto

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

L1 Substates

Disabled
L1.1
L1.2
L1.1 & L1.2

PCI Express L1 Substates settings.

URR

Disable
Enable

Enable / Disable PCI Express Unsupported Request Reporting.

FER

Disable
Enable

Enable / Disable PCI Express Device Fatal Error Reporting.

NFER

Disable
Enable

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

CER

Disable
Enable

Enable / Disable PCI Express Device Correctable Error Reporting.

CTO

Disable
Enable

Enable / Disable PCI Express Completion Timer TO.

SEFE

Disable
Enable

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

Advertising