Supermicro SBI-7426T-SH, User Manual

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5-5
Chapter 5: BIOS

ACPI Configuration See Table 5-8 for a description of BIOS setup menu options in this sub-menu.

AHCI Configuration See Table 5-9 for a description of BIOS setup menu options in this sub-menu.

Event Log
Configuration
See Table 5-10 for a description of BIOS setup menu options in this sub-menu.

IPMI Configuration See Table 5-11 for a description of BIOS setup menu options in this sub-menu.

Remote Access
Configuration
See Table 5-12 for a description of BIOS setup menu options in this sub-menu.

System Health
Monitor
See Table 5-13 for a description of BIOS setup menu options in this sub-menu.
Table 5-3. CPU and Clock Configuration Sub-menu
Menu Option Description
CPU Ratio
This setting allows you to set the CPU Ratio to either Auto (Maximum Ratio) or
M
ANUAL
(Manual Ratio).
Hardware Prefetcher
If set to Enabled , the hardware prefetcher will prefetch streams of data and
instructions from the main memory to the L2 cache in the forward or backward
manner to improve CPU performance. Options are
Enabled and D
ISABLED
.
For UP platforms leave it enabled. for DP/MP servers, this setting may be used
to tune performance to the specific application.
Adjacent Cache Line
Prefetch
The CPU fetches the cache line for 64-bytes if this option is set to D
ISABLED
. The
CPU fetches both cache lines for 128-bytes as comprised if Enabled .
For UP platforms leave it enabled. for DP/MP servers, this setting may be used
to tune performance to the specific application.
MPS and ACPI MDAT
Ordering
This setting allows you to specify MPS and ACPI MADT ordering. Options
include
Modern Ordering (for Windows XP or later OSes) or L
EGACY
O
RDERING
(for Windows 2000 or earlier OSes).
Max CPUID Value
Limit
This setting is Disabled for Windows systems.
Intel® Virtualization
Tech
Select Enabled to use this Virtualization Technology feature to allow one platform
to run multiple operating systems and applications in independent partitions,
creating multiple “virtual” systems in one physical computer system. The options
are
Enabled and D
ISABLED
. Please refer to the Intel website for further detailed
information.
NOTE: A full reset of the system is required when you change this setting.
Execute-Disable Bit
Capability
The Execute Disable Bit allows the processor to designate areas in the system
memory where an application code can be executed, and where it cannot. This
prevents a worm or virus from flooding illegal codes into the system to
overwhelm the processor or damage the system during an attack. The default
setting is
Enabled .
Please refer to the Intel and Microsoft websites for more information.
Intel (R) HT
Technology When disabled, only one thread per enabled core is enabled. Options are
Enabled or D
ISABLED
.
Table 5-2. Advanced Setup Menu Options (Continued)
Sub-menu Description