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Reverse Engineer the Spectre GCR?

Forums > Vintage Atari > Atari ST Line

tomswork
New Tinkerer
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Joined: Oct 25, 2021
Posts: 9
Likes: 4
May 23, 2023 - #21
The gerbera for magic sac
Attachments:
MagicSAC_Gerber.zip (23.6 KB)

Ghostie
New Tinkerer
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Joined: Jul 15, 2023
Posts: 1
Likes: 0
Jul 15, 2023 - #22
Did anyone ever figure out the pal code for the GCR?

Sideburn
Tinkerer
California
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Joined: Jun 16, 2023
Posts: 267
Likes: 102
Aug 18, 2023 - #23
Maybe you can contact David Small?
He has a website: https://davidsmallstoryteller.wordpress.com/about/

And a not very active Facebook page: https://m.facebook.com/profile.php/?id=748538110&name=xhp_nt__fb__action__open_user


* I've got one coming in a week or two to tinker with. Just posted in another thread on here asking if anyone knows about the GCR being able to read Mac formatted SCSI disks. I read somewhere online that it could do this. But I didn't think the ST HD port was SCSI. Thought it was ACSI only.

mg.man
Tinkerer
Ardley, UK
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Joined: Oct 20, 2021
Posts: 133
Likes: 69
Aug 18, 2023 - #24
>> Sideburn said:
Thought it was ACSI only. Click to expand...
AFAIK, yes. I *do* have an original - Adaptec even - card that "translates" ACSI to SCSI. I used it back when my GCR was new along with another card that "translated" SCSI to ST-506!! I ran 2 x 30Mb IBM ST-506 5 1/4" HDDs off the pair - with TOS and Mac partitions connected to my self-upgraded 4Mb 520stfm. :)

Sideburn
Tinkerer
California
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Joined: Jun 16, 2023
Posts: 267
Likes: 102
Aug 18, 2023 - #25
>> mg.man said:
AFAIK, yes. I *do* have an original - Adaptec even - card that "translates" ACSI to SCSI. I used it back when my GCR was new along with another card that "translated" SCSI to ST-506!! I ran 2 x 30Mb IBM ST-506 5 1/4" HDDs off the pair - with TOS and Mac partitions connected to my self-upgraded 4Mb 520stfm. Click to expand...
Interesting. So you mean yes ACSI only so No it can't read Mac SCSI disks out of the box?

mg.man
Tinkerer
Ardley, UK
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Joined: Oct 20, 2021
Posts: 133
Likes: 69
Aug 18, 2023 - #26
Correct. [AFAIK] :)

Javmast3r
Tinkerer
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Joined: Oct 27, 2021
Posts: 70
Likes: 63
Sep 5, 2023 - #27
My project is stalled, if someone wants to work on it can send the PCB I have.

mg.man
Tinkerer
Ardley, UK
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Joined: Oct 20, 2021
Posts: 133
Likes: 69
Sep 5, 2023 - #28
>> Javmast3r said:
My project is stalled, Click to expand...
Ugg... sorry to hear! Were you building a GCR or MagicSac?

Javmast3r
Tinkerer
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Joined: Oct 27, 2021
Posts: 70
Likes: 63
Sep 6, 2023 - #29
MagicSac

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