Turn your RC2014 Mini in to a full Z80 based CP/M homebrew computer, complete with compact flash storageDesigned by RFC2795 Ltd in United Kingdom
The RC2014 Mini is a simple 8 bit Z80 based single board computer. In its standard form it runs Microsoft BASIC or SCM Z80 monitor ROM. This RC2014 Mini CP/M Upgrade Kit transforms a standard RC20...Read More…
The RC2014 Mini is a simple 8 bit Z80 based single board computer. In its standard form it runs Microsoft BASIC or SCM Z80 monitor ROM.
This RC2014 Mini CP/M Upgrade Kit transforms a standard RC2014 Mini  in to a CP/M machine with 64k of RAM, pageable ROM, compact flash storage and even adds an expansion slot too.
As the Operating System of choice before the IBM PC and MSDOS took the lead, there is a wealth of CP/M software available from programming languages such as Pascal or BBC BASIC, to office productivity tools like Wordstar and dBase II, and games including Zork or Hitchhikers Guide To The Galaxy, and lots lots more.
The kit contains a 4 layer PCB with the surface mount compact flash socket pre-soldered, and all of the through-hole components needed to upgrade your RC2014 Mini. The only modification needed to the Mini is the removal of the ROM and 3 jumpers. The CP/M upgrade kit boosts the memory from 32k to 64k and gives the ROM a paging function which is needed to boot CP/M. A new ROM is supplied with the kit, which contains;
The CP/M Upgrade Kit fits directly above the RC2014 Mini on PCB standoffs, and connects through to the Mini below via the expansion header. A keyboard passthrough connector also connects through the CP/M Upgrade Kit so that you can still use the Universal Micro Keyboard on top. Two expansion headers are available on the CP/M Upgrade Kit. A 64MB compact flash card is included which has CP/M installed, along with the essential transient applications.
Note  The RC2014 Mini, or the other expansion modules shown for illustration are not included with this kit.
Note  If you soldered a right angle header to your RC2014 Mini then this will need to be removed to fit the CP/M Upgrade Kit above the Mini. If you fitted straight pins or socket then this is fine.
Note  The photos above show a 128MB compact flash card, not 64MB which is supplied
RC2014 is a trademark of RFC2795 Ltd.
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