Tyan Tomcat III MB w/4.02 BIOS 6.1 installer thought it was a dual processor machine, and made the SMB kernel the default one in LILO.
*** Bug 8366 has been marked as a duplicate of this bug. ***
The motherboard is not identifying itself correctly, therefore this is not a linux bug, but rather a bug with the motherboard.
BIOS reports at boot: , 1 Processor(s) detected