Parameter
Clock Power Management
Link Training Retry
Link Training Timeout (uS)
Disable Empty Links
Description
If supported by hardware and set to "Enabled", the device is
permitted to use CLKREQ# signal for power management of Link
clock in accordance to protocol defined in appropriate form factor
specification.
Options available: Enabled, Disabled. Default setting is Disabled.
Defines number of Retry attempts software will take to retrain the
link if previous training attempt was unsuccessful.
Options available: Disabled, 2, 3, 5. Default setting is 5.
Defines number of microseconds software will wait before polling
'Link Training' bit in link status register. Value range from 10 to
10000 uS.
In order to save power, software will disable unpopulated PCI
express links, if this option set to ''Disable Link.
Options available: Enabled, Disabled. Default setting is Disabled.
BIOS Setup
- 59 -