On 31/08/2007, Richard Smith <richard.smith at mewgull.com> wrote: No, the OPL was a Sinclair QL.. The microfile 1000's I used were about the size and shape of an original IBM XT, but with multple serial ports on the back rather than pc style screen/keyboar: You connected up dumb terminals to use. We ran BOS on them, but think they were intended for ConcurrentDOS. Rob