Don,
These are Hitachi HFD305SX drives. They are double sided. The power input
is the standard 4 pin Molex connector. I'll check the power connectios on
it. The interface cable uses a 34 pin card edge connector. I've heard of
3" floppy drives but these are the first that I've seen.
Joe
At 09:25 PM 12/21/00 -0800, you wrote:
>
>
>On Fri, 22 Dec 2000, Joe wrote:
>
>> Is anyone familar with the 3" floppy drives? Is that what these
>> "http://www.intellistar.net/~rigdonj/misc/3-inch.jpg" are? I pulled them
>> out of a Loral 1553 bus analyzer. As you can see from the photo, a standard
>> 3.5" floppy disk is too large for them. Do these use the same interface as
>> the 3.5" drives? How many tracks do these support? Does anyone have a
>> couple of 3" disks that they're willing to part with?
>
>Joe, I have not looked at your pix yet, but there are a couple of 3" drives
>that I am aware. One is single sided and uses a 'flippy' that Maxell
>calls a CF2 and Hitachi called a HFD2. The other is a genuine double
>sided version. There can also be a difference in pinouts. Both 34 and
>26 have been used. Some even reversed the +5 and +12vdc pin locations
>in the power connector. (Talk about a dirty trick!)
>
>Tony can speak with more authority than I on those things, though.
>
> - don
>
>
>
Received on Fri Dec 22 2000 - 09:17:05 GMT
