> The speed penalty of running a MP kernel on an SP processor is small > enough that if it matters to you, you need new hw, so if you are > building a universal boot device (i.e., a USB flash disk), just run the > MP kernel all the time, you probably won't know the difference.
If for whatever reason you want to know which is which without booting it. file /bsd should help also: strings /bsd | less Then search with /OpenBSD OpenBSD 5.9 (GENERIC) #3: Thu May 19 08:33:25 CEST 2016 jas...@stable-59-i386.mtier.org:/binpatchng/work-binpatch59-i386/src/sys/arch/i386/compile/GENERIC -- KISSIS - Keep It Simple So It's Securable