Organization: Old Dominion University, Norfolk, Va
References: <1993Jan20.071650.14940@nevada.edu>
Date: Fri, 22 Jan 1993 13:22:11 GMT
Lines: 22
In article <1993Jan20.071650.14940@nevada.edu> dinhyen@nevada.edu (Dinh-Yen Tran) writes:
>Hi:
> I would like to put an additional 4M of RAM into my 386. My computer
>uses 70ns DRAM but the company I want to do business with only stocks
>60ns DRAM. Is it OK to use 60ns DRAM in place of the 70ns DRAM? The chip
>type is 1Mx1-bit DIP. Has anyone ever tried anything like that. Please help.
>Thanks.
>dinh-yen tran
>dinhyen@redrock.nevada.edu
It's roughly the equivalent of asking if you can use a high-powered sports
car in a "speed limit 55" zone -- of course. It just has the capability
to go faster. The 60ns rating means the data can be ready as soon as 60ns
after the computer requests it. If the computer only needs it in 70ns, the
memory has plenty of time, aqnd should work perfectly. I have built several
'386 machines with just this configuration. The only time you would run into a problem would be if you tried to use memory **slower** than that which the