In a message dated 3/21/03 5:15:28 PM, ElBrio at aol.com writes: << Most will...there were one or two which had declarations that they "might not" work in 68K Duos....but the ONLY one I've run into that would not work was a 68K RAM module which would not work in a 2300, not the other way around. Andrew >> I have a strange problem, my 2300c has 40 mg ram chip installed, and although it works FINE, it does say there is a problem with the ram chip upon start up. strange, eh? anyone have an explanation, would be appreciated. thanks Alan