INT 21 - TopWare Network OS v5.10+ - GET SYSTEM INFORMATION AX = FF00h CL = what to get 00h user information (see #02528) 01h drive mapping (see #02529) 02h printer server(s) 05h local DOS drive number Return: ES:BX -> desired information Program: TopWare Network Operating System is manufactured by Grand Computer Company Note: this call is only supported on Workstations, not on the server SeeAlso: AX=FF04h,INT 2F/AX=FF00h