Microdrive spinning ad infinitum...

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vanpeebles
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Re: Microdrive spinning ad infinitum...

Postby vanpeebles » Wed Oct 09, 2019 8:18 pm

A franken-QL! Is it wired to a lightning conductor in the back garden? :lol:


af0l
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Re: Microdrive spinning ad infinitum...

Postby af0l » Wed Oct 09, 2019 8:21 pm

It's Fronkensteen! :mrgreen:


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Re: Microdrive spinning ad infinitum...

Postby af0l » Thu Oct 10, 2019 12:30 am

Oh, the irony! Oh the cruel fate! The very thing that was meant to better the QL brought it to it's knees! The PicoPSU, being a dirty switcher that it is, oozes such unpleasant frequencies that the microdrives loose their reason. I tried it both ways - moving the picopsu away or moving the MDV (thanks to my new, longer cables) out. It immediately regains composition as soon as they're 3 cm apart...

WHY?!? :?:


Nasta
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Re: Microdrive spinning ad infinitum...

Postby Nasta » Thu Oct 10, 2019 10:06 am

The inductors on the switching regulator produce a rather large stray field which is probably being induced directly into the head and electronics. Even on the original QL the left microdrive has a metal shield between it and the motherboard stuff and in that setup there is FAR less electromagnetic interference generated there.


af0l
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Re: Microdrive spinning ad infinitum...

Postby af0l » Thu Oct 10, 2019 12:58 pm

Yes, it seems I’ve hit a wall here :/ I was thinking about vDriveQL, but that’s external only as I gather...


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vanpeebles
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Re: Microdrive spinning ad infinitum...

Postby vanpeebles » Thu Oct 10, 2019 2:19 pm

I think there was an internal version of vDrive. There is also QL-SD :)


af0l
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Re: Microdrive spinning ad infinitum...

Postby af0l » Thu Oct 10, 2019 4:52 pm

But none of those are to be found anywhere ATM?


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vanpeebles
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Re: Microdrive spinning ad infinitum...

Postby vanpeebles » Thu Oct 10, 2019 5:00 pm

Tetroid storage expansion?


af0l
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Re: Microdrive spinning ad infinitum...

Postby af0l » Thu Oct 10, 2019 5:04 pm

Well I just soldered together tetroids qbide :)

But it gives me black screen for now - I reall need to find an IDE device. Not so easy anymore :)


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Re: Microdrive spinning ad infinitum...

Postby RWAP » Thu Oct 10, 2019 7:26 pm

af0l wrote:Well I just soldered together tetroids qbide :)

But it gives me black screen for now - I reall need to find an IDE device. Not so easy anymore :)


If you get a black screen - are you sure none of the expansion pins in the QL bus are bent?



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