fdd-cdx2
fdd-cdx2 copied to clipboard
Published
20 hours ago •
konkotgit
konkotgit
Floppy disk controller for MSX computers.
FDD CDX2
Port Based Floppy Disk Drive controller for MSX computer
Recreated Microsol Tecnologia CDX-2 FDD interface.
- Based on WD2793 or TMS2793 floppy disk controller
- Support for 3.5' and 5.25' floppy drives
- Modified to work with computers that support the BUSDIR signal
- Jumper to switch between two different ROMs
- Fits MSX cartridge
- Tested on MSX1 and MSX2
ROMs tested with this interface:
- CDX-2 (Microsol Tecnologia)
- Angeisa (Angeisa Eletronica LTDA)
- FAST!DiskROM
ROMs that should work with this interface:
- DDX 1.0 (Digital Design)
- DMX 1.2 (Conector Informatica LTDA.)
- LIFTROM (Liftrom Informatica)
- MANUT (AMT Mamute)
- TPX 1.02 (TPX - Perifericos)
ROM vs free BASIC memory
| ROM | Free BASIC Memory |
|---|---|
| Angeisa (Angeisa Eletronica LTDA) | 23430 |
| CDX-2 (Microsol Tecnologia) | 23430 |
| DDX 1.0 (Digital Design) | 20304 |
| DMX 1.2 (Conector Informatica LTDA.) | 20304 |
| LIFTROM (Liftrom Informatica) | 20304 |
| MANUT (AMT Mamute) | 23430 |
| TPX 1.02 (TPX - Perifericos) | 23430 |
| FAST!DiskROM | 25471 |
Test Points
- TP1 - PIN 16 (DIRC)
- TP2 - PIN 29 (TG43)
- TP3 - PIN 31 (WD)
J3 must be closed to enable test mode. For normal use J3 must be open.
Look at YouTube:
konkotgit