Supero SuperServer 4048B-TRFT, User Manual

Page: 109 / 148

Chapter 7: BIOS
7-19

Integrated IO Confi guration
Enable I/OAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology), which signi fi -
cantly reduces CPU overhead by leveraging CPU architectural improvements
and freeing the system resource for other tasks. The options are Enable and
Disable
.
No Snoop
Select Enable to support no-snoop mode for each CB device. The options are
Disable
and Enable.
Disable TPH
Select Enable to de-activate TLP Processing Hint support. The options are
Dis-
able
and Enable.

II0 Generation Confi guration
The following information will display:
TXT DPR memory setting
Use this item to set TXT DPR settings. The options are 1M DPR,
3M DPR
, 64M
DPR, 128M DPR, and 255M DPR.
Unhide QPI PMU Counter
Select Enable to use the PCI-Express counters. Select Disable to hide the PCI-
Express counters. The options are
Disable
and 255M Enable.
IIO0/IIO1/IIO2/IIO3
II0 IOAPCI
Select Enable to support IIO IOAPIC (I/O Advanced Power Interface Con fi gura-
tion). The options are
Enable
and Disable.

Intel VT for Directed I/O (VT-d)
Intel VT for Direct I/O (VT-d)
Isoc
Select Enable to enable Isochronous support to meet QoS (Quality of Service)
requirements. This feature is especially important for Intel Virtualization technol-
ogy. The options are Enable and
Disable
.