Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ukma!husc6!husc8!seung
From: seung@husc8.HARVARD.EDU (Hyunjune Seung)
Newsgroups: comp.sys.mac
Subject: SIMM's
Message-ID: <1348@husc6.harvard.edu>
Date: 8 Mar 89 03:41:27 GMT
Sender: news@husc6.harvard.edu
Reply-To: seung@husc8.UUCP (Hyunjune Seung)
Distribution: usa
Organization: Harvard University Science Center   Cambridge, MA
Lines: 4

Sorry to clog the net, as I'm sure this question has been answered before.
How does one tell the speed of a memory chip?  I have SIMM's that carry
a marking of "-15" on them.  I assume that means 150 ns.  Can these be 
used in a Mac II?  If not, what can they be used for?