Chapter 6: BIOS
SuperServer 5019P-WT/WTR User's Manual
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Intel Virtualization Technology
Use this feature to enable the Vanderpool Technology. This technology allows the system to
run several operating systems simultaneously. The options are Disable and
Enable
.
PPIN Control
Select Unlock/Enable to use the Protected-Processor Inventory Number (PPIN) in the system.
The options are Unlock/Disable and
Unlock/Enable
Hardware Prefetcher (Available when supported by the CPU)
If set to Enable, 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 Disable
and
Enable
.
Adjacent Cache Prefetch (Available when supported by the CPU)
The CPU prefetches the cache line for 64 bytes if this feature is set to Disable. The CPU
prefetches both cache lines for 128 bytes as comprised if this feature is set to
Enable
.
DCU Streamer Prefetcher (Available when supported by the CPU)
Select Enable to enable the DCU (Data Cache Unit) Streamer Prefetcher, which will stream
and prefetch data and send it to the Level 1 data cache to improve data processing and
system performance. The options are Disable and
Enable
.
DCU IP Prefetcher (Available when supported by the CPU)
Select Enable to enable DCU (Data Cache Unit) IP Prefetcher support, which will prefetch IP
addresses to improve network connectivity and system performance. The options are
Enable
and Disable.
LLC Prefetch
If set to Enable, the hardware prefetcher will prefetch streams of data and instructions from
the main memory to the L3 cache to improve CPU performance. The options are
Disable
and Enable.
Extended APIC
Select Enable to activate APIC (Advanced Programmable Interrupt Controller) support. The
options are
Disable
and Enable.
AES-NI
Select Enable to use the Intel Advanced Encryption Standard (AES) New Instructions (NI) to
ensure data security. The options are Disable and
Enable
.
Power Button Function
This feature controls how the system shuts down when the power button is pressed. Select 4
Seconds Override for the user to power off the system after pressing and holding the power
button for 4 seconds or longer. Select Instant Off to instantly power off the system as soon
as the user presses the power button. The options are
Instant Off
and
4 Seconds Override
.
Throttle on Power Fail
Use this feature to decrease system power by throttling CPU frequency when one power
supply has failed. The options are
Disabled
and Enabled.
CPU Configuration
The following CPU information will display:
•
Processor BSP Revision
•
Processor Socket
•
Processor ID
•
Processor Frequency
•
Processor Max Ratio
•
Processor Min Ratio
•
Microcode Revision
•
L1 Cache RAM
•
L2 Cache RAM
•
L3 Cache RAM
•
Processor 0 Version
Hyper-Threading (ALL) (Available when supported by the CPU)
Select Enable to support Intel Hyper-threading Technology to enhance CPU performance.
The options are Disable and
Enable
.
Execute Disable Bit (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 application code can execute and where it cannot,
thus preventing a worm or a virus from flooding illegal codes to overwhelm the processor
or damage the system during an attack. The default is
Enable
. (Refer to the Intel
®
and
Microsoft
®
websites for more information.)
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