Selecting 32- or 64-bit mode for Solaris
If you have the 64-bit stuff installed (which is the default for most versions of Solaris) and have a processor which will run in 32-bit mode (Ultra-IIe, and Ultra-III or higher will
not support 32-bit mode), you can pick at boot time whether you want to run in 32-bit or 64-bit mode.
At the OK prompt:
Mode | OK prompt command |
---|
32 | OK> setenv boot-file kernel/unix OK> reset |
64 | OK> setenv boot-file kernel/sparcv9/unix OK> reset |
This aparrently works for Solaris 2.6, 7, 8, and maybe 9 (only tested by me on solaris 7 and 8).