[Coco] TEAC FD55-E speed adjustment

[Bob Devries]

Robert,
How does your programme keep its timing correct? If it uses the HS or FS 
interrupt from the PIA, then it will not be accurate on the PAL colour 
computer.

--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Robert Gault" <robert.gault at worldnet.att.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Tuesday, February 14, 2006 1:42 PM
Subject: Re: [Coco] TEAC FD55-E speed adjustment


>I can supply a program I wrote that graphically displays the drive speed. 
>It is much easier to use than the strobe wheel and give the results in a 
>quantitative value of RPM and % deviation.
>
> Gene Heskett wrote:
>
>> On Monday 13 February 2006 11:41, James Hrubik wrote:
>>
>>>Gene, is it going to make a difference if the flourescent is running
>>>under 50hZ or 60hZ AC?  I was under the impression that the frequency
>>>of the AC was the determining factor in the strobe effect of the
>>>light.
>>
>>
>> Obviously it will, but normally the strobe sticker has 2 sets of stripes, 
>> one for 50hz, and one for 60hz.  Not being able to see the one Torsten 
>> has, I am of course shooting wildly in the dark at anything that moves & 
>> makes a sound.  :-)
>>
>>
>>>On Feb 13, 2006, at 11:29 AM, Gene Heskett wrote:
>>>
>>>>On Monday 13 February 2006 04:40, Torsten Dittel wrote:
>>>>
>>>>>Does anyone know how to adjust the speed of the TEAC FD55-E drives
>>>>>(that's a 1-side 80track 360KB 5.25" drive? There are two pots,
>>>>>one of
>>>>>them on the motor's PCB, I guess it's that one but I need to have
>>>>>this
>>>>>confirmed by someone who knows...
>>>>
>>>>Does it have the strobe pattern on the bottom of the spindle?  Thats
>>>>easily watched under a flourescent light, when it stands still
>>>>rather than creeping on direction or the other, you have the right
>>>>speed. Adjust the pot on the motor pcb for effect after noting where
>>>>it is in case its not the right pot.
>>>>
>>>>
>>>>>Thanks!
>>>>>Torsten
>>>>
>>>>--
>>>>Cheers, Gene
>>>>People having trouble with vz bouncing email to me should add the
>>>>word 'online' between the 'verizon', and the dot which bypasses vz's
>>>>stupid bounce rules.  I do use spamassassin too. :-)
>>>>Yahoo.com and AOL/TW attorneys please note, additions to the above
>>>>message by Gene Heskett are:
>>>>Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
>>>>
>>>>--
>>>>Coco mailing list
>>>>Coco at maltedmedia.com
>>>>http://five.pairlist.net/mailman/listinfo/coco
>>>
>>>---------------------------------------------------
>>>-----Items below rated "R"; parental discretion advised----
>>>---------------------------------------------------
>>>"I have an excuse : all of my ancestors were teenagers..."
>>> From the sayings of Grampa Jim, Copyright 2003.
>>>Unauthorized use of my stuff may cause senility.
>>
>>
>
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