54
BIOS Setup
Feature
Options
Description
Extended Tag
Disabled
Enabled
If Enabled, allows device to use 8-bit tag field as a
requester.
No Snoop
Disabled
Enabled
Enables or Disables PCI Express device No Snoop
option.
Maximum Payload
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set maximum payload of PCI Express device or allow
system BIOS to select the value.
Maximum Read Request
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set maximum read request size of PCI Express device
or allow system BIOS to select the value.
PCI Express Link Register Settings
Info only
ASPM Support
WARNING: Enabling ASPM may cause
some
PCI-E devices to fail
Disabled
Auto
Force L0s
Set the ASPM Level: Force L0s - Force all links to L0s
Auto - BIOS auto configure
Disabled - Disables ASPM
Extended Synch
Disabled
Enabled
If enabled, allows generation of Extended
Synchronization patterns.
Link Training Retry
Disable
2
3
5
Defines number of retry attempts software will take to
retrain the link if previous training attempt was
unsuccessful.
Link Training Timeout (Us)
1000
Defines number of microseconds software will wait
before polling 'Link Training' bit in Link Status register.
Value range from 10 to 10000 uS.
Unpopulated Links
Keep Link ON
Disabled
In order to save power, software will disable
unpopulated PCI Express links if this option set to
Disabled.
Restore PCIE Registers
Enabled
Disabled
On non-PCI Express aware OSes (pre Windows Vista)
some devices may not be correctly reinitialized after
S3. Enabling this restores PCI Express device
configurations on S3 resume. Warning: Enabling this
may cause issues with other hardware after S3
resume.
PCIe Configuration
Info only
PCIe Configuration
Submenu
Содержание COM Express cExpress-BT2
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