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ucodeadm(1M) System Administration Commands ucodeadm(1M)
NAME
ucodeadm - update processor microcode
SYNOPSIS
/usr/sbin/ucodeadm -v
/usr/sbin/ucodeadm -umicrocode-text-file
/usr/sbin/ucodeadm -i [-R path] microcode-text-file
DESCRIPTION
The ucodeadm utility can be used to report running microcode revision on the processors, update microcode, or install microcode on the tar-
get system to be used during the boot process.
The microcode-text-file can be obtained from processor vendors.
OPTIONS
-v Report microcode revision.
-u microcode-text-file Update microcode on all cross-call interrupt ready processors.
-i microcode-text-file Install microcode files on target system to be used during the next boot cycle. The text file name must have
the vendor name prefix, such as "intel" or "amd".
By default the microcode files will be installed at:
/platform/i86pc/ucode/$VENDORSTR/
where VENDORSTR is either "GenuineIntel" or "AuthenticAMD".
-R alternate path Install microcode path in the alternate path.
EXAMPLES
Example 1 Reporting the Microcode Revision
The following example displays the microcode revision that is currently running:
# ucodeadm -v
Example 2 Updating the Processor Microcode
The following example updates the processor microcode to intel-ucode.txt:
# ucodeadm -u intel-ucode.txt
Example 3 Installing the Microcode on the Target System
The following example installs the microcode on the target system, /export/ucode-path:
# ucodeadm -i -R /export/ucode-path intel-ucode.txt
If an alternate path is used when installing the microcode on the target system, the installed microcode file is not used on the next boot
cycle.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
>0 An error occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |Stable |
+-----------------------------+-----------------------------+
SEE ALSO
psradm(1M), psrinfo(1M), attributes(5)
SunOS 5.11 10 Jul 2007 ucodeadm(1M)