>> You're thinking of the first generation of 5.25" drives. > > Which were a paltry 180K if memory serves. But with only > 16K!! of RAM in the IBM PC, it was enough for the days before > GUIs. The first were 160K single sided. I have one still. 180k was a later improvement. RM -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist