port-mac68k: what is SBC (kern.tar.gz or kern

Subject: what is SBC (kern.tar.gz or kern_sbc.tar.gz)
To: None <port-mac68k@NetBSD.ORG>
From: Makoto Fujiwara <makoto@ki.nu>
List: port-mac68k
Date: 12/04/1997 20:21:18

Sorry for silly question.
What does SBC stand for ?
What is the difference of GENERIC or GENERIC-SBC ?
How shall I get those information ?

(I am now installing BETA stuff)
---
Makoto Fujiwara