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Feature
Options
Description
160 PCI Bus Clocks
192 PCI Bus Clocks
224 PCI Bus Clocks
248 PCI Bus Clocks
VGA Palette Snoop
Disabled
Enabled
Allow PCI cards that do not contain their own VGA color palette to access
the video core’s palette
PERR# Generation
Disabled
Enabled
Enables or Disables PCI Device to Generate PERR#.
SERR# Generation
Disabled
Enabled
Enables / Disables PCI Device to Generate SERR#.
PCI Express Settings
Relaxed Ordering
Disabled
Enabled
Enables / Disables PCI Express Device Relaxed Ordering.
Extended Tag
Disabled
Enabled
If ENABLED allows Device to use 8-bit Tag field as a requester.
No Snoop
Disabled
Enabled
Enables / Disables PCI Express Snoop option
Maximum Payload
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Select Maximum Payload size or let BIOS decide (Auto)
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.
ASPM Support
Warning
Enabling ASPM may cause some
PCI-E devices to fail
Disable
Auto
Force L0S
Set the ASPM Level: Force L0s - Force all links to L0s State : AUTO - BIOS
auto configure : DISABLE - Disables ASPM.
Extended Synch
Enabled
Disabled
If enabled the generation of PCI Express synchronization patterns is
allowed
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)
100
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
Disable
In order to save power, software will disable unpopulated PCI Express links,
if this option set to 'Disable Link'.
Restore PCIE Registers
Enabled
Disabled
On non-PCI Express aware OS's (Pre Windows Vista) some devices may
not be correctly reinitialized after S3. Enabling this restors PCI Express
device configurations on S3 resume. Warning: Enabling this may cause
issues with other hardware after S3 resume.
PCH-PCIe Configuration
Submenu
