Supermicro SUPERSERVER 1028R-TDW - Page 56

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Chapter 7: BIOS
7-117-10
SUPERSERVER 1028R-TDW User's Manual
Chipset Conguration
Warning! Please set the correct settings for the items below. A wrong conguration
setting may cause the system to malfunction.
North Bridge
This feature allows the user to congure the settings for the Intel North Bridge.
IIO Conguration
EV DFX (Device Function On-Hide) Feature
When this feature is set to Enable, the EV_DFX Lock Bits that are located on a
processor will always remain clear during electric tuning. The options are Dis-
able and Enable.
IIO1 Conguration
IIO 1 IOU1 - PCIe Port
Use this item to congure the PCI-E port Bifuraction setting for a PCI-E port
specied by the user. The options are x4x4, x8, and Auto.
Port 1A Link Speed
Use this item to congure the link speed of a PCI-E device installed on the PCI-E
slot specied by the user. The options are Gen1, Gen2, and Gen3.
IIO 1 IOU2 - PCIe Port
Use this item to congure the PCI-E port Bifuraction setting for a PCI-E port speci-
ed by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
Port 2A Link Speed
Use this item to congure the link speed of a PCI-E device installed on the PCI-E
slot specied by the user. The options are Gen1, Gen2, and Gen3.
IIO 1 IOU3 - PCIe Port
Use this item to congure the PCI-E port Bifuraction setting for a PCI-E port speci-
ed by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
Port 3A Link Speed
Use this item to congure the link speed of a PCI-E device installed on the PCI-E
slot specied by the user. The options are Gen1, Gen2, and Gen3.
IIO2 Conguration
IIO 2 IOU1 - PCIe Port
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied
by the user. The options are x4x4, x8, and Auto.
Port 1A Link Speed
Use this item to congure the link speed of a PCI-E device installed on the PCI-E
slot specied by the user. The options are Gen1, Gen2, and Gen3.
IIO 2 IOU2 - PCIe Port
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
Port 2A Link Speed
Use this item to congure the link speed of a PCI-E device installed on the PCI-E
slot specied by the user. The options are Gen1, Gen2, and Gen3.
IIO 2 IOU3 - PCIe Port
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
Port 3A Link Speed
Use this item to congure the link speed of a PCI-E device installed on the PCI-E
slot specied by the user. The options are Gen1, Gen2, and Gen3.
IOAT (Intel® IO Acceleration) Conguration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support,
which will signicantly reduce CPU overhead by leveraging CPU architectural
improvements and freeing the system resource for other tasks. The options are
Enable and Disable.
Early Snoop
Select Enable to support Early-snoop mode for each CB device. The options
are Disable and Enable.
Relaxed Ordering
Select Enable to enable Relaxed Ordering support which will allow certain
transactions to violate the strict-ordering rules of PCI bus for a transaction to be
completed prior to other transactions that have already been enqueued earlier.
The options are Disable and Enable.