This overlays in this package provide a means of using MEXplus on Apple ][+ or //e computers with PCPI Applicard (Starcard) or Microsoft Softcard CP/M Co-Processors. The Port overlays AP52 and AP60 will also work with Public Domain MEX 1.14. A brief description of the files: MXH-AP52 port overlay for PCPI card with Super Serial Card or CCS 7711 card. Requires MXO-SM14 (or later) or MXM-2400 (or later) Modem overlay. MXH-AP60 port overlay for Softcard and Super Serial Card. Includes Modem overlay for MXo-SM14 type modems. MXC-MC10 clock overlay for Mountain CPS card. I was never able to get this card going for a Serial I/O but okay for clock. APLCRT3 this overlay is required if you desire full screen operation with MEXplus. Use the MEXplus installation utility and install it for an Apple with a ADM-3A. Then after setting EQU in the appropriate overlay(s) above, ASM the overlay and MLOAD the same as you would with MEX 1.14. All of the above overlays have been thoroughly tested in normal MEX service. AP52 has also received extensive use with the optional MEX Remote Operation and Terminal Emulation modes. Jim Lill 7 Dec 86