Cpu Configuration - B&R Industries MAPPC900-ENG User Manual

Software • BIOS options

1.4.7 CPU configuration

Information:
The settings shown may vary depending on the CPU board being used.
BIOS setting Function
CPU information Displays CPU properties
Hyper-threading Option for enabling/disabling Intel hyper-thread-
ing technology
Active processor cores Option for configuring which processor cores
are to be used
Limit CPUID maximum Option for limiting the CPUID value. This may
be necessary for older operating systems.
Execute disable bit Option for enabling/disabling hardware support
for prevention of data execution
Intel virtualization technol- Option for enabling/disabling a virtual machine
ogy
Hardware prefetcher Option for enabling/disabling the hardware
prefetcher
204
Figure 144: Advanced - CPU configuration
Information:
This option must be set to Disabled
when using Windows XP.
Information:
A restart is required in order to apply
changes made to this setting.
Table 177: Advanced - CPU configuration - Configuration options
Configuration options Effect
Enter Opens the submenu
See "CPU information" on page 206
Disabled Disables this function
Enabled Enables this function
Each processor core can execute multiple
tasks (threads) at the same time. Intel hy-
per-threading technology increases processor
throughput and improves the overall perfor-
mance of multi-thread software.
All Uses all processor cores
1 Only uses one processor core
Disabled The processor returns the current maximum
value when the CPUID value is requested.
Enabled The processor limits the maximum CPUID value
to 03h if necessary if the processor supports a
higher value.
Disabled Disables this function
Enabled Enables this function
Disabled Disables this function
Enabled Allows a virtual machine to use the additional
hardware capacity
Disabled Disables this function
Enabled Enables this function. Data is temporarily stored
in cache memory to increase performance.
Panel PC 900 User's Manual V1.05