ADLINK cExpress-BL - Manual (Page 59)

cExpress-BL Page 59
Feature Options Description
64 PCI Bus Clocks
96 PCI Bus Clocks
128 PCI Bus Clocks
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.
PEG Configuration (System Agent) Not Support
PCH-PCIe Configuration Submenu