Gigabyte R152-P31 - Page 56

BIOS Setup - 56 -
Parameter Description
PCI Express GEN2 Setting
PCI Express GEN2 Device Register Settings

IDO Request Enable
– If supported by hardware and set to 'Enabled', this
permits setting the number of ID-Based Ordering (IDO)
bit (Attribute[2]) requests to be initiated.
Options available: Enabled/Disabled. Default setting is Disabled.

IDO Completion Enable
– If supported by hardware and set to 'Enabled', this
permits setting the number of ID-Based Ordering (IDO)
bit (Attribute[2]) requests to be initiated.
Options available: Enabled/Disabled. Default setting is Disabled.

LTR Mechanism Enable
– If supported by hardware and set to 'Enabled', this
enables the Latency Tolerance Reporting (LTR)
Mechanism.
Options available: Enabled/Disabled. Default setting is Disabled.

End-End TLP Prex Blocking
– If supported by hardware and set to 'Enabled', this
function will block forwarding of TLPs containing End-
End TLP Prexes.
Options available: Enabled/Disabled. Default setting is Disabled.
PCI Express GEN2 Device Link Settings

Compliance SOS
– If supported by hardware and set to 'Enabled', this
will force LTSSM to send SKP Ordered Sets between
sequences when sending Compliance Pattern or
Modied Compliance Pattern.
Options available: Enabled/Disabled. Default setting is Disabled.

Hardware Autonomous Width
– If supported by hardware and set to 'Disabled', this
will disable the hardware's ability to change link width
except width size reduction for the purpose of correcting
unstable link operation.
Options available: Enabled/Disabled. Default setting is Disabled.

Hardware Autonomous Speed
– If supported by hardware and set to 'Disabled', this
will disable the hardware's ability to change link speed
except speed rate reduction for the purpose of correcting
unstable link operation
Options available: Enabled/Disabled. Default setting is Disabled.