Chapter 4: AMI BIOS
4-15
AtomicOp Egress Blocking (Available when supported by the hardware)
When set to Enabled, this feature blocks outbound AtomicOp Requests via
Egress ports. The options are
Disabled
and Enabled.
IDO Request Enable (Available when supported by the hardware)
When set to Enabled, this feature permits setting the number of ID-Based Or-
dering (IDO) bit (Attribute[2]) requests to be initiated. The options are
Disabled
and Enabled.
IDO Completion Enable (Available when supported by the hardware)
When set to Enabled, this feature permits setting the number of ID-Based Or-
dering (IDO) bit (Attribute[2]) requests to be initiated. The options are
Disabled
and Enabled.
LTR Mechanism Enable (Available when supported by the hardware)
When set to Enabled, this feature enables the Latency Tolerance Reporting
mechanism. The options are
Disabled
and Enabled.
End-End TLP Prefix Blocking (Available when supported by the
hardware)
When set to Enabled, this feature blocks forwarding of TLPs containing End-End
TLP prefixes. The options are Enabled and
Disabled
.
Target Link Speed (Available when supported by the hardware)
When set to Force to 2.5 or 5.0 GT/s, this feature sets an upper limit on the link
operational speed of downstream ports by restricting the values advertised by the
upstream component in its training sequences. When set to Auto, HW initialized
data will be used. The options are
Auto
, Force to 2.5 GT/s, and Force to 5.0 GT/s.
Clock Power Management (Available when supported by the hardware)
When set to Enabled, this feature permits the device to use CLKREQ# signal for
power management of link clock in accordance to protocol defined in appropriate
form factor specification. The options are
Disabled
and Enabled.
Compliance SOS (Available when supported by the hardware)
When set to Enabled, this feature will force LTSSM to send SKP ordered sets
between sequences when sending compliance pattern or modified compliance
pattern. The options are
Disabled
and Enabled.
