cExpress-AL
BIOS Setup
73
Feature
Options
Description
PCH PCIE LTR
Disable
Enable
PCH PCIE Latency Reporting Enable/Disable
Snoop Latency Override
Disabled
Manual
Auto
Snoop Latency Override for PCH PCIE.
Disabled: Disable override.
Manual: Manually enter override values.
Auto (default): Maintain default BIOS flow.
Non Snoop Latency Override
Disabled
Manual
Auto
Non Snoop Latency Override for PCH PCIE.
Disabled: Disable override.
Manual: Manually enter override values.
Auto (default): Maintain default BIOS flow
PCIE LTR Lock
Disable
Enable
PCIE LTR Configuration Lock
PCIe Selection De0emphasis
Disable
Enable
When the Link is operating at 5.0 GT/s speed, this bit
selects the level of de-emphasis for an Upstream
component.
1b -3.5 dB
0b -6 dB
Chipset > South Cluster Configuration > PCI Express Configuration > PCI Express Root Port 2
Feature
Options
Description
PCI Express Root Port 2
Disable
Enable
Auto
Control the PCI Express Root Port.
AUTO: To disable unused root port automatically for
the most optimum power savings.
Enable: Enable PCIe root port.
Disable: Disable PCIe root port.
ASPM
Disable
Enable
PCI Express Active State Power Management settings
L1 Substates
Disable
L1.1
L1.2
L1.1 & L1.2
PCI Express L1 Substates settings.
ACS
Disable
Enable
Enable/Disable Access Control Services Extended
Capability
URR
Disable
Enable
CI Express Unsupported Request Reporting
Enable/Disable
FER
Disable
Enable
PCI Express Device Fatal Error Reporting
Enable/Disable
NFER
Disable
Enable
PCI Express Device Non-Fatal Error Reporting
Enable/Disable
CER
Disable
Enable
PCI Express Device Correctable Error Reporting
Enable/Disable
CTO
Default Setting
16-15 ms
65-210 ms
260-900 ms
1-3.5 s
Disable
PCI Express Completion Timer TO Enable/Disable.
SEFE
Disable
Enable
Root PCI Express System Error on Fatal Error
Enable/Disable
SENFE
Disable
Enable
Root PCI Express System Error on Non-Fatal Error
Enable/Disable
SECE
Disable
Enable
Root PCI Express System Error on Correctable Error
Enable/Disable
Summary of Contents for cExpress-AL
Page 8: ...2 Introduction This page intentionally left blank ...
Page 36: ...30 Pinouts and Signal Descriptions This page intentionally left blank ...
Page 44: ...38 Module Interfaces This page intentionally left blank ...
Page 48: ...42 Smart Embedded Management Agent SEMA This page intentionally left blank ...
Page 88: ...82 BIOS Setup This page intentionally left blank ...
Page 98: ...92 BIOS Checkpoints Beep Codes This page intentionally left blank ...