Asus RS720A-E12 Series User Manual page 154

IDO Completion Enable [Disabled]
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.
Configuration options: [Disabled] [Enabled]
LTR Mechanism Enable [Disabled]
If supported by hardware and set to [Enabled], this enables the Latency Tolerance
Reporting (LTR) Mechanism.
Configuration options: [Disabled] [Enabled]
End-End TLP Prefix Blocking [Disabled]
If supported by hardware and set to [Enabled], this function will block forwarding of
TLPs containing End-End TLP Prefixes.
Configuration options: [Disabled] [Enabled]
PCI Express GEN2 Link Register Settings
Target Link Speed [Auto]
If supported by hardware and set to [Force to X.X GT/s], for Downstream Ports, this
sets an upper limit on Link operational speed by restricting the values advertised by the
Upstream component in its training sequences. When [Auto] is selected HW initialized
data will be used.
Configuration options: [Disabled] [Force to 2.5 GT/s] [Force to 5.0 GT/s] [Force to 8.0
GT/s] [Force to 16.0 GT/s] [Force to 32.0 GT/s]
Clock Power Management [Disabled]
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.
Configuration options: [Disabled] [Enabled]
Compliance SOS [Disabled]
If supported by hardware and set to [Enabled], this will force LTSSM to send SKP
Ordered Sets between sequences when sending Compliance Pattern or Modified
Compliance Pattern.
Configuration options: [Disabled] [Enabled]
Hardware Autonomous Width [Enabled]
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.
Configuration options: [Disabled] [Enabled]
Hardware Autonomous Speed [Enabled]
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.
Configuration options: [Disabled] [Enabled]
5-28 Chapter 5: BIOS Setup