NEC express5800 A2010b - Page 488

2. Operation Mode
Chapter 4 Appendix
BIOS Related
Configuration menu
→
SystemBIOS
Operation mode
Parameter
([ ]: Default setting)
When
applied
Description
BIOS Basic/
POST Error Pause
Enable
[Disable]
At next boot Enable or disable the feature to suppress OS
startup until user interruption if an error is
detected during POST. If set to [Disabled], does
not wait for user interruption and tries OS startup
even if an error is detected.
It is recommended to set [Disabled] because the
POST error in this case is a correctable error
(the hardware corrects an error, and the system
can continue operation).
In the system that does not permit continuous
operation even if an error is correctable, set this
item to [Enabled].
COPT Related
Capacity
Operation mode
Parameter
([ ]: Default setting)
When
applied
Description
Core Optimization
Mode
[Decentralize]
Centralize
BIOS
process
phase
When using COPT feature on the server having
several CPU sockets, specify the assigning
method.
Decentralize: Assign the CPU cores that are
logically enabled to several CPU sockets
equally. For example, when the server has 3
CPU sockets on it and 9 CPU cores are logically
enabled, 3 CPU cores are enabled on each CPU
socket. If the server has only one CPU socket, 9
CPU cores are enabled on that socket. The CPU
resources are used equally and load to CPU
socket are decentralized. Performance
improvement is expected by this method.
Centralize: Assign the logically enabled CPU
cores to as little CPU sockets as possible. For
example, when the server has 3 CPU sockets on
it and 9 CPU cores are logically enabled, 9 CPU
cores are enabled on a single CPU socket, and
the residual CPU cores on other sockets are not
enabled. This can reduce the cost for license fee
when using the software that requires license fee
in proportional to the number of CPU sockets.
Spare Core
Configuration Mode
[Static]
Dynamic
At next boot When using COPT feature, specify whether the
configuration change which is the number of
enabled cores and location to assign enabled
cores is allowed while the OS is running or not.
Static: Can change the number of enabled cores
and location to assign enabled cores only while
the DC power is off. These changes are ignored
if they are performed while the OS is running.
Dynamic: Can change the number of enabled
cores and location to assign enabled cores even
while the OS is running.
Disable CPU Cores [0]
(Allowable value: 0 to
maximum number of cores)
* The maximum number of
cores depends on server
model.
At next boot Specify the number of cores to be disabled.
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
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