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Turning on STacy only 2 times out of 10 does it start.

Problems with your machine in general.
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Roberto
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Re: Turning on STacy only 2 times out of 10 does it start.

Post by Roberto »

I fixed it... I hope the problems end here.

IMG_8313.JPG
IMG_8313.JPG (426.49 KiB) Viewed 1116 times

A user on the Atari Forum passed me the .JED file to write to a normal GAL16V8D and I substituted it for the PAL, which I discovered was all 1, probably canceled by the CPU short circuit last summer.

Ultimately it was the Real Time Clock circuit that was causing these power up problems.

Thank you all and to you @derkom who gifted me the LCD screen. I really don't know how to thank you.

Now I'm slowly reassembling, piece by piece my beloved STacy... I think it will be the Atari that I will use the most among those I have :-)

This is the .JED file for the RTC, if anyone could help. Just strip that trailing .txt before writing it.
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mega_uhr.jed.txt
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rubber_jonnie
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Re: Turning on STacy only 2 times out of 10 does it start.

Post by rubber_jonnie »

Good stuff, glad you finally got there in the end.

:girldance:
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Darklord
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Re: Turning on STacy only 2 times out of 10 does it start.

Post by Darklord »

Yes, congratulations! (and another STacy rejoins the fray!) :dualthumbup:
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stephen_usher
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Re: Turning on STacy only 2 times out of 10 does it start.

Post by stephen_usher »

:yay: :dualthumbup: :girldance:
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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Roberto
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Joined: Wed Oct 13, 2021 8:37 pm

Re: Turning on STacy only 2 times out of 10 does it start.

Post by Roberto »

Darklord wrote: Fri Mar 10, 2023 4:30 pm Yes, congratulations! (and another STacy rejoins the fray!) :dualthumbup:
I will now follow up with your upgrades starting with replacing the original HD. I have both an internal BlueSCSI (but it seems not the best for the Atari as I can't set the LUNs to show them as SCSI-IDs) and a SCSI2SD; I still have to experiment with this one. I wouldn't want to spend more suns, for example taking an internal ULTRASATAN, because I know this would be fine. So I have to "make do" with BlueSCSI or SCSI2SD.
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