ZX Spectrum +3
Using most of ZX Spectrum interfaces needs upgrade of the
edge bus to get compatibility. This can be done with the
PL3FIX - small board with two diodes.
Power supply slot
DIN 6 Female on the back of computer
1,2 - +5V/2A
3,4 - +12V/700mA (video, FDD, RS232)
5 - -12V/50mA (RS232)
6 - GND
Files for download
- pl3fix.zip 9.5kB (2005-03-17 05:34)
- PL3FIX Eagle data files.
- sed9420.pdf 263.2kB (2004-11-16 00:59)
- CMOS Data Separator for FDD.
- bpl3fix.jpg 83.7kB (2003-02-13 21:03)
- PL3FIX top & bottom view.
- plus3.zip 212.4kB (1999-04-05 23:35)
- ZX Spectrum +3 Manual in text form.
Links to other pages- http://www.secarica.ro/html/zx_zone.html
- Some upgrades by Cristian Secara.
See also
- DSKHNDLR
- Low level floppy and hard disk drivers for Z80.
- TOS A.2
- Timex Operating System A.2 for Timex FDD 3/3000.
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