New arrivals :)

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Icarus
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New arrivals :)

Post by Icarus »

2 Atari's arrived today, 1x 520 STe and 1 x 520 STFM :)

The STFM was sold as dead, but it powered up and runs fine, bit of a result. Upon opening it up, just to be nosey and give it a clean, it all looks good. The motherboard has a lot of socketed chips and appears to be a good base for futher mods?

Here's a picture of it, and i've also uploaded a lower resolution picture of the board to the Wiki, as threr was not a pic of this revision on there.

Image

I also noticed a 'fix' that I presume Atari made to 1 leg of a chip under the floppy drive

Image

Both Atari's have suffered from the yellowing of the plastic unfortunately, but im more then happy to have got them :)
Atari STE 1 meg TOS 2.06 HxC and external DD
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FedePede04
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Re: New arrivals :)

Post by FedePede04 »

Icarus wrote:
Both Atari's have suffered from the yellowing of the plastic unfortunately, but im more then happy to have got them :)
Hi you can try to retro bright them.
http://retr0bright.wikispaces.com/

ps. i just found this thread on a other forum, so if you want to use Retro bright, maybe you should read this first.
http://www.vintage-computer.com/vcforum ... troBright-!
Atari will rule the world, long after man has disappeared

sometime my English is a little weird, Google translate is my best friend :)
Icarus
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Re: New arrivals :)

Post by Icarus »

I think I will give retrobright a go on one of my spare STFM's and see what occurs :)
Atari STE 1 meg TOS 2.06 HxC and external DD
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wongck
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Re: New arrivals :)

Post by wongck »

I always want to get some retrobright, but then the plastic is already weak so I am worried that putting chemicals on it will make it worst even if it looks better.
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Icarus
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Re: New arrivals :)

Post by Icarus »

I will post back my results when I get round to this, but it could be some time later this year, hopefully! :)
Atari STE 1 meg TOS 2.06 HxC and external DD
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rocket-dog
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Re: New arrivals :)

Post by rocket-dog »

:D because I wanted to register my :D but didn't know what to say! :mrgreen:
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1st1
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Re: New arrivals :)

Post by 1st1 »

That Diode-modification tells me something, but I don't remember anymore the effect which has been fixed that way, that's 20 years ago.
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ralcool
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Re: New arrivals :)

Post by ralcool »

A stab in the dark possibility.

That Diode is to a lifted Pin 40. Which is power for the DMA chip... the diode would drop 0.2v across it.

It might be that 'other' signals coming in were a bit weak and the internal comparators didn't see them as logic 'high' enough causing corruption.

Dirty hack to fix, Lower the master comparator voltage a touch.

ST. :cheers:
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