[Coco] 3.5" FD drives
dave
dave at davebiz.com
Fri Jul 24 22:55:47 EDT 2015
You are correct. These drives don't even have the solder pads. As far
as I can tell you'd have to do the select with the cable.
Dave Philipsen
On , Bruce W. Calkins wrote:
> I would expect (and don't mind being proven wrong) that drives of that
> late a manufacture would have solder pads. Generally 2 sets 1 of
> which will have a solder bridge. To change it over you would remove
> the solder and bridge the other set. By that date it was rare to find
> the full 4 sets of solder pads, jumpers or a 4 position switch. I
> snagged a few 3.5" drives decades ago that had a 4 position switch,
> but outside of my collection it has been a very long time since I've
> seen one.
>
> Bruce W.
>
>
>
> ----- Original Message -----
>
> From: "Dave Philipsen"
>
>> I'm not sure if they have jumpers. I'll have to check at the shop
>> later today. Typically, this sort of drive selects by means of the
>> ribbon cable.
>>
>> On 7/24/2015 8:54 AM, Kip Koon wrote:
>>> Hi Dave,
>>> What jumper settings are available?
>>>
>>> Kip Koon
>
>>>> -----Original Message-----
>>>> On Behalf Of dave
>
>>>>
>>>> I have 24 new old-stock floppy drives. They are 3.5" 1.44MB drives
>>>> made by NEC.
>
>>>>
>>>> Dave Philipsen
>
>
> ---
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