Look on versiontracker.com and try a few different searches. Here's one utility I found for OSX. Memtest 4.04M (free app) a command line memory testing utility Product Description: This small command-line utility thoroughly checks available memory under OS X. Memtest is licensed under the Gnu Public License and is distributed with source code. This program is authored by Charles Cazabon and the OS X port is maintained and enhanced by me (not JJ). On 29-Nov-04, at 1:56 PM, g4-request at listserver.themacintoshguy.com wrote: > How much memory? > To: "A place to discuss Apple's G4 computers." > <g4 at listserver.themacintoshguy.com> > Message-ID: <p06200756bdd0d36592a3@[204.255.238.76]> > Content-Type: text/plain; charset="us-ascii" ; format="flowed" > >> >> Your problem could also be bad RAM. One or some of your chips may >> have gone south, Are you using Generic RAM? Is there a warrantee? >> Did you run a RAM Checker program to test it? I found bad sticks in >> my G4 after about 1 year of use - some of the generic Ram is not >> perfect and OSX is very picky. >> > > Recommend a RAM checker?