Shareware/freeware mentioned in this article

MSWGCN.EXE The DOS client of Windows for Workgroups. Available at: ftp://ftp.microsoft.com/softlib/msfiles/ MSWGCN.EXE

SPP100.EXE Card enabler for SPP100, by Hiroyuki Sekiya. Available at CompuServe, the HPHAND forum, as SPP100.ZIP.