BIOS Setup Information
PGB-5120S User’s Manual
4-6
No Snoop
Enables or Disables PCI Express Device No Snoop option.
Choices: Disabled, Enabled.
Maximum Payload
Set Maximum Payload of PCI Express Device or allow System BIOS to select the
value.
Choices: Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, 4096 Bytes.
Maximum Read Request
Set Maximum Read Request size of PCI Express Device or allow System BIOS to
select the value.
Choices: Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, 4096 Bytes.
ASPM Support
Set the ASPM Level: Force L0 – Force all links to L0s State: AUTO – BIOS auto
configure: DISABLE – Disables ASPM.
Choices: Disabled, Auto, Force L0s.
Extended Synch
If Enabled allows generation of Extended Synchronization patterns.
Choices: Disabled, Enabled.
Link Training Retry
Defines number of Retry Attempts software will take to retrain the link if previous
training attempt was unsuccessful.
Choices: Disabled, 2, 3, 5.
Link Training Timeout (uS)
Defines number of Microseconds software will wait before polling ‘Link Training’ bit
in Link Status register. Value range from 1 to 100 uS.
Choices: 1 to 100.
Unpopulated Links
In Order to save power, software will disable unpopulated PCI Express links, if this
option set to ‘Disable Link’.
Choices: Keep Link On, Disable Link.
