do floppy drives need a switching p/s?
dwight.elvey at amd.com
Fri Feb 17 17:11:02 CST 2006
>From: ard at p850ug1.demon.co.uk
>> behind the drive. Works fine on a Qume DT-8. That 24vdc supply you
>> mention should do just fine, but the 5vdc draw may be heavier than you
>> think, particularly if you have the standard 220/330 terminators installed.
>I've yet to see a floppy drive that used 220/330 ohm terminators. Every
>one I've worked on just has a 150 ohm resistor to the +5V line. It'll
>still draw the current if that line is pulled low, though.
Still, he isn't going to get his 5 volts from the 24 volt
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