Supermicro SuperServer 8047R-TRF+ Instrukcja Użytkownika Pobierz pdf (Strona 95)

Chapter 7: BIOS

7-9

Data Direct I/O

Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which

signiﬁ cantly reduces CPU overhead by leveraging CPU architectural

improvements and freeing the system resource for other tasks. The options

are Disabled and Enabled.

DCA Support

When set to Enabled, this feature uses Intel's DCA (Direct Cache Access)

Technology to improve data transfer efﬁ ciency. The default is Enabled and

can not be changed.

PCIe Port Bifurcation Control

This submenu conﬁ gures the following IO PCIe Port Bifurcation Control

settings for the PCIe ports to determine how the available PCI-Express

lanes will be distributed between the PCI-Exp. Root Ports.

CPU 4 PCIe Slot 1 Link Width

This feature allows the user to set the PCI-Exp bus speed between CPU

4 and the PCI-e port. The options are x4, and x8.

CPU 4 PCIe Slot 1 Link Speed

Select GEN1 to enable PCI-Exp Generation 1 support for Slot 1. Select

GEN2 to enable PCI-Exp Generation 2 support for Slot 1. Select GEN3 to

enable PCI-Exp Generation 3 support for Slot 1. The options are GEN1,

GEN2, and GEN3.

CPU 4 PCIe Slot 2 Link Width

This feature allows the user to set the PCI-Exp bus speed between CPU

4 and the PCI-e port. The options are x4, x8, and x16.

CPU 4 PCIe Slot 2 Link Speed

Select GEN1 to enable PCI-Exp Generation 1 support for Slot 2. Select

GEN2 to enable PCI-Exp Generation 2 support for Slot 2. Select GEN3 to

enable PCI-Exp Generation 3 support for Slot 2. The options are GEN1,

GEN2, and GEN3.

CPU 1 PCIe Slot 3 Link Width

This feature allows the user to set the PCI-Exp bus speed between CPU

1 and the PCI-e port. The options are x4, and x8.

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 121 122

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Supermicro SuperServer 8047R-TRF+ Instrukcja Użytkownika Strona 95