Supermicro X10SRA User Manual download pdf (Page 81)

Chapter 4: AMI BIOS

4-11

Performance

Hyper-threading [ALL]

Select Enabled to support Intel Hyper-threading Technology to enhance

CPU performance. The options are Enabled and Disabled.

Execute-Disable Bit Capability (Available if supported by the OS

& the CPU)

Select Enabled to enable the Execute-Disable Bit which will allow the

processor to designate areas in the system memory where an applica-

tion code can execute and where it cannot, thus preventing a worm or a

virus from ooding illegal codes to overwhelm the processor or damage

the system during an attack. The default is Enabled. (Refer to Intel and

Microsoft Web sites for more information.)

PPIN Control

Select Enable to unlock the PPIN control. The options are Enabled and

Disabled.

Hardware Prefetcher (Available when supported by the CPU)

If set to Enabled, the hardware prefetcher will prefetch streams of data

and instructions from the main memory to the L2 cache to improve CPU

performance. The options are Disabled and Enabled.

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Supermicro X10SRA User Manual Page 81