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(Use double-prime and vulgar fraction symbols (3½″ and 3″, etc.)) |
(Upper-case S in Spectrum) |
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To connect a normal PC floppy drive as "drive B:" to the +3 you need a 34 way ribbon cable with an IDC card edge connector at one end, and an IDC socket connector at the other. | To connect a normal PC floppy drive as "drive B:" to the +3 you need a 34 way ribbon cable with an IDC card edge connector at one end, and an IDC socket connector at the other. | ||
Modern floppy drives don't provide the drive ready signal, so the {{overline|READY}} line needs shorting to ground to signal to the | Modern floppy drives don't provide the drive ready signal, so the {{overline|READY}} line needs shorting to ground to signal to the Spectrum that the drive is ready (adding a switch here so you can manually toggle the signal on and off is a good idea otherwise the Spectrum won't start up unless there's a disk in the drive). | ||
=====Drive===== | =====Drive===== | ||
Any modern 3½″ floppy drive will work as drive B: with the above proviso, you must create a ready signal for the | Any modern 3½″ floppy drive will work as drive B: with the above proviso, you must create a ready signal for the Spectrum otherwise it won't work. | ||
All modern drives are hard wired to appear as drive B: (hence the "twist" cable in a PC to make it appear as drive A:) so the cable is just a straight through wiring of all the signals. | All modern drives are hard wired to appear as drive B: (hence the "twist" cable in a PC to make it appear as drive A:) so the cable is just a straight through wiring of all the signals. | ||
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To write individual files to a +3 formatted diskette (or dsk file) you can use [http://www.cpctech.org.uk/download/cpcxfs.zip cpcxfs] | To write individual files to a +3 formatted diskette (or dsk file) you can use [http://www.cpctech.org.uk/download/cpcxfs.zip cpcxfs] | ||
[[category: | [[category:Hardware]] | ||
[[category: | [[category:Spectrum]] | ||
[[Category:Floppy disk interfaces]] | [[Category:Floppy disk interfaces]] |