McIlvaine, Robert wrote: >I have a DT001 programmer that works fine on an older 286 DOS machine that >knows nothing about PnP or SPP; using Nigel Goodwin's DOS version of >PICPROG. > >But it does not work in DOS or Win 2K on my Pentium III 550 with the DOS or >Windows verson of both Nigel's and Bojan's programmer software. ........ In some cases Bojan's s.w., as well as certain other DOS s.w., will not work correctly on some of the "faster" machines. Is related to internal timing loops used in the s.w. IIRC, Bojan had to do some mods to get his delays/etc to clock properly for machines faster than ~200 Mhz. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics