PerSci 277 floppy drives
cctalk at randy482.com
Tue Mar 15 13:43:30 CST 2005
From: "Doc Shipley" <doc at mdrconsult.com>
Sent: Tuesday, March 15, 2005 1:12 PM
> Vintage Computer Festival wrote:
>>> The question is, is this one of the drives that plays nicely with a
>>>PC FDC? I have a couple of older ISA IDE/FD controllers, and an Adaptec
>>>1542 if I can dig it up.
>> Does it have a standard data connector? This should be a 50-conductor
>> edge conncetor.
> Looks like a standard 50-pin edge connector, yes. After reading a
> little in the owner's manual, it's MFM, dual density, so worst case I
> should be able to run it on an older PC-based FDC, right?
The 277 is a fast repeat fast single sided floppy drive.
The high-speed seek can be ignored but what can not be ignored is the track
location. Being a dual drive both heads move at the same time, this can
confuse some software.
Details on making a 34 to 50 pin cable can be found on my website.
The Persci's also have a slew of jumpers, it is best just to try it the way
The Persci's are very sensative, shipping often destroys them. To ship it
you need a special cardboard shipping retainer to keep the heads from
slamming back and forth.
It also uses special wheat-lamps that burn out easily.
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