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Amiga 1000 Kickstart Eproms/Roms
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Topic: Amiga 1000 Kickstart Eproms/Roms (Read 17758 times)
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CLS2086
Hero Member
Join Date: Oct 2003
Posts: 1456
Re: Amiga 1000 Kickstart Eproms/Roms
«
on:
December 02, 2007, 01:11:05 PM »
Hi,
would you check the difference between your mobo and this photo :
http://amiga-hardware.com/download_photos/a1000mbrev6.jpg
It seems that you have just 2 straps around W2 and W4 that enable the presence of the ROMs.
If you disable these straps, do you get back to the good old KICKSTART hand's screen ?
Try to dump the 2 roms, it's the only way to know if it's splitted by :
1st method : 16 bits word splitted in 2x 8bits word (1st in EVEN, 2nd in ODD... or may be the inverse !)
2nd method : simply divided in the 2 roms.
Logged
Keep the Faith !
VG 5000/A1000/500/500+/600/2000/CDTV/1200PPC-GREX/1200PPC -ATEO-BV/4060D/CD32/Aone/Peg 1/Peg2 G4/ various funny machines too :-)
http://www.mo5.com/collection/index.php?pseudo=CLS2086
I also repair drives of our old beloved Amiga
CLS2086
Hero Member
Join Date: Oct 2003
Posts: 1456
Re: Amiga 1000 Kickstart Eproms/Roms
«
Reply #1 on:
December 02, 2007, 04:24:02 PM »
I hope you'll get success in your research, i'm not sure that would get better than kick 1.3. And I also think that you'll need to dump the 2 others roms.
I wonder about the 2 jumpers, if they are "open" may it turn back to a "standard" A1000 ?
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Keep the Faith !
VG 5000/A1000/500/500+/600/2000/CDTV/1200PPC-GREX/1200PPC -ATEO-BV/4060D/CD32/Aone/Peg 1/Peg2 G4/ various funny machines too :-)
http://www.mo5.com/collection/index.php?pseudo=CLS2086
I also repair drives of our old beloved Amiga
CLS2086
Hero Member
Join Date: Oct 2003
Posts: 1456
Re: Amiga 1000 Kickstart Eproms/Roms
«
Reply #2 on:
December 04, 2007, 06:58:01 PM »
Hum, it sounds interesting to rebuild some of these adapters !
Logged
Keep the Faith !
VG 5000/A1000/500/500+/600/2000/CDTV/1200PPC-GREX/1200PPC -ATEO-BV/4060D/CD32/Aone/Peg 1/Peg2 G4/ various funny machines too :-)
http://www.mo5.com/collection/index.php?pseudo=CLS2086
I also repair drives of our old beloved Amiga
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