Artesyn ATCA-7365 Installation and Use (November 2014) - Manual (Page 108)

BIOS
ATCA-7365 Installation and Use (6806800K65N) 108
Limit CPUID Maximum Enabled
Disabled (Default)
If set to enabled, limits the CPUID instruction
function 0 to return a maximum value of 3. Some
Operating Systems, like Windows NT, cannot
handle a value greater than 3.
Default value is disabled. The CPUID instruction
function 0 returns the number of the maximum
standard functions.
Execute Disable Bit Enabled (Default)
Disabled XD can prevent certain classes of malicious buffer
overflow attacks when combined with a
supporting OS. For example, Windows Server
2003 SP1, Windows Server 2008, Windows XP
SP2, SuSE Linux 9.2 or later, RedHat Enterprise 3
Update 3 or later.
Hardware Prefetcher Enabled (Default)
Disabled
To turn on/off the L2 Cache (MLC streamer)
prefetcher.
See
CPU Performance Settings on page 124 .
Adjacent Cache Line
Prefetch Enabled (Default)
Disabled To turn on/off prefetching of adjacent cache lines
to L2 cache. See
CPU Performance Settings on page
124 .
L1 Data Prefetcher Enabled (Default)
Disabled Enable/Disable L1 Data Prefetcher.
See
CPU Performance Settings on page 124 .
Data Reuse
Optimization Enabled (Default)
Disabled Data Reuse Performance Optimization for Server
workloads.
See
CPU Performance Settings on page 124 .
Intel Virtualization Enabled (Default)
Disabled When enabled, a VMM can utilize the additional
hardware capabilities provided by Intel
Virtualization Technology.
Turbo Mode Enabled (Default)
Disabled Enable/Disable Turbo Mode. Turbo Mode allows
processor cores to run faster than the marked
frequency if the physical processor is operating
below power, temperature and current
specification limits.
Performance/Watt Traditional
(Default),
Power Optimized Optimized - Turbo Boost engages after highest
performance state is sustained for more than two
seconds. Traditional Intel Turbo Boost
Technology is engaged immediately when
possible.
Table 4-5 CPU Configuration (continued)
Item Values Description