Matt, Try running your Apple Hardware Test CD/DVD. I recently had the same problem, with the new RAM not showing up under the OS, and when I ran AHT it informed me that I had "Bad Memory". Tony On 6-Oct-05, at 10:52 AM, ibooklist at matthurst.fastmail.fm wrote: > I bought a 512meg memory card from Crucial for my G4 1.2mhz iBook and > installed it exactly as per manual, as far as I can tell. Several > times, > as it turned out, as the iBook thinks the slot is still empty - it > just > shows the 256meg built in RAM. > > Any tricks or tips? Or is it just knackered chips? > > Matt > _______________________________________________ > iBook mailing list > iBook at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/ibook > > Listmom is trying to clean out his closets! Vintage Mac and random > stuff: > http://search.ebay.com/_W0QQsassZmacguy1984 >