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28 SYSCFG
SYSCFG for BIOS Configuration
SYSCFG uses BIOS interfaces to manipulate boot order and BIOS settings. It configures all options available
on the BIOS setup screen, including boot order, embedded device configuration, and asset tag management.
Options for BIOS Configuration
Table 3-2 documents valid options and arguments along with a description of their expected behavior.
Options and arguments are case sensitive. All options and predefined arguments are lowercase unless
stated otherwise.
NOTE: Some of the following options or arguments might not be available on all systems due to the BIOS version or
hardware feature set. Running SYSCFG without arguments displays only those options that are valid for your system.
Table 3-2. SYSCFG Options and Arguments for BIOS Configuration
Option Valid
Arguments
Description
--acpower on, off, last This option sets the behavior for the system after AC power is lost.
This option specifies how the system responds to the restoration of AC power
and is particularly useful in systems that are turned off using a power strip. When
set to on, the system turns on after AC is restored. When set to off, the system
does not turn on after AC is restored. When set to last, the system turns on if
the system was on when AC power was lost; if the system was off when
AC power was lost, the system remains off when power is restored.
This option is available on all supported systems. This value can be replicated.
Example:
A:>syscfg --acpower=on
acpower=on
--adjcacheprefetch enable, disable When this option is set to enabled, the processor fetches the cache line
containing the currently requested data, and prefetches the following cache line.
When this option is set to disabled, the processor fetches only the cache line
containing the currently requested data.
Example:
A:>syscfg --adjcacheprefetch=enable
adjcacheprefetch=enable
--asset <string> This option reports or sets the customer-programmable asset tag number for a
system. The maximum length of an asset tag is 10 characters. Asset tag values
cannot contain any spaces. This option is available on all supported systems.
This value can be replicated.
Example:
A:>syscfg --asset=
ASSETTAG
asset=
ASSETTAG