On 3/28/2006 at 7:16 PM Liam Proven wrote: >The PS/2 Model 50 was an 80286. I checked my old records. Right memory, wrong model. I dropped a bit. It was the 8570 (Model 70) and it was ECA 021. Nasty memory problem resulting in a 110 error. IBM would replace the mobo only if you complained loudly enough. Cheers, Chuck