On 9/29/2005 at 1:35 AM der Mouse wrote: >> Is there any not-to-painless way to figure out what I've got? Take a look at the individual DRAM chips and see if you can figure the size of the SIMM from those--these SIMMs were either 8 or 9 bits wide, BTW. I beliee that most PCs could make use of the added parity bit, while Macs didn't care if it was present. Cheers, Chuck