Board 250471
- only 3,5″ drive released from Commodore for the 8-bit (c64/c128) line (not counting the never released 1561 portable drive and the internal drive of the never released c65).
- 800k storage on one floppy (40 tracks).
- not backward compatible with the 1541 (most custom (fast)loaders fail)
- uses the “burst mode” (the fast serial protocol used by the C128)
Board Images
Schematics
![Schematic 252380 Sheet 1 of 4](https://myoldcomputer.nl/wp-content/uploads/2016/01/1581_252380_1of4-300x194.gif)
Sheet 1 of 4
![Schematic 252380 Sheet 2 of 4](https://myoldcomputer.nl/wp-content/uploads/2016/01/1581_252380_2of4-300x194.gif)
Sheet 2 of 4
![Schematic 252380 Sheet 3 of 4](https://myoldcomputer.nl/wp-content/uploads/2016/01/1581_252380_3of4-300x194.gif)
Sheet 3 of 4
![Schematic 252380 Sheet 4 of 4](https://myoldcomputer.nl/wp-content/uploads/2016/01/1581_252380_4of4-300x194.gif)
Sheet 4 of 4