Re: RAM tester project

Are these DRAM's? If they are I would bet that you will need to put
the DRAM controller on-board to handle the refresh. Not only this,
but the refresh rate would have to be customizeable to handle the
different types of RAMs that you're testing.
-Adam

On Thu, 17 Feb 2005 14:05:51 -0600, joemagiera <joemagiera@ameritech.net> wrote:
> Those that know me will think I'm in way over my head on this. I might
> agree with them, but I'd like to try. Since I can't find anything on the
> 'net, I'm toying with the idea of building a RAM tester. Specifically, I'd
> like to start with a 4116 tester. Heck I figure if I can get that to work,
> it should be a snap to test other types of RAM. I recall someone on this
> list from South America (Brazil?) was attempting the same project but sadly
> we never heard from him again.
>
> I admit up front, I have no background in this type of stuff, but I do have
> a willingness to try.
>
> My long range general idea so far is to have a fairly large breadboard with
> 25 ZIF sockets on it. From there, wire the appropriate voltage pins to a
> common point so I can supply power via a switching power supply. That in
> itself is probably enough of a challenge for me, but assuming I can do that
> (and that's a pretty big assumption), then what? I'd like to have it
> interface with a PC to run a program to test the RAMs at various speeds. I
> know pretty vague, but that's where I'm looking for your input.
>
> Thoughts? Ideas? Advice? Any comments appreciated. Thanks,
>
> Joe
> joemagiera@ameritech.net
>
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Received on Thu Feb 17 12:12:07 2005