SUPER MICRO Computer SBI-7127R-S6 user manual Boot Feature Submenu Menu Option

SBI-7127R-S6 Blade Module User’s Manual

Table 5-3. Boot Feature Submenu (Continued)

Menu Option

Power Button

Function

Restore on AC Power Loss

Description

This setting specifies the power button’s function when pressed. Option include 4 Seconds Override or Instant Off.

This setting specifies what the system will do when power is restored after an AC power loss to the system. Options include Stay Off (system power remains off after power loss), Power-On (system power turns on after power loss) or Last State (allows the system to resume its last state before the power loss).

Table 5-4. CPU Configuration Submenu

Menu Option

Socket 1 CPU Information

Socket 2 CPU Information

Clock Spread

Spectrum

Hyper-threading

Active Processor Cores

Limit CPUID

Maximum

Execute Disable Bit

Hardware Prefetcher

Adjacent Cache Line Prefetch

DCU Streamer

Prefetcher

DCU IP Prefetcher

Description

These submenus, when selected, shows information on the Socket 1/Socket 2 processors and other information including CPU Signature, Microcode Patch, CPU Stepping, Max CPU Speed, Min CPU Speed, Processor Cores, Intel HT Technology, Intel VT-x Techn

ology, L1 Data Cache, L1 Code Cache, L2 Cache and L3 Cache.

Additionally, the CPU Configuration submenu shows information about the CPU Speed and 64-bit support.

This information is only readable and cannot be changed.

This setting enables or disables spread spectrum modulation. Options are Enabled and Disabled.

This setting is Enabled for Windows XP and Linux (OS optimized for Hyper-threading technology), and Disabled for other OSes (any OS not optimized for Hyper-threading techology). When Disabled, only one thread per enabled core is enabled.

This setting selects the number of cores to enable in each processor package. Options include All, 1, 2, 4 and 6.

This setting is disabled for Windows XP. Options include Enabled or Disabled.

XD can prevent certain classes of malicious buffer overflow attacks when combined with a supporting OS such as Windows Server 2003 SP1, Windows XP SP2, SuSE Linux 9.2 or RedHat Enterprise 3 Update 3. Options include Enabled or Disabled.

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 Disabled.

For UP platforms leave it enabled. for DP/MP servers, this setting may be used to tune performance to the specific application.

The CPU fetches the cache line for 64-bytes if this option is set to Disabled. 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.

For UP platforms, leave this option Enabled. For DP/MP servers, this option may be used to tune performance to the specific application. Options are Enabled or Disabled.

This setting Enables or Disables prefetch of the next L1 line based upon sequential load history.

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