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#1 |
Registered User
Join Date: Apr 2008
Location: wolverhampton
Posts: 51
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Roms for A1200?
I was wondering if I could use Amiga CD32 rom chips or Amiga 4000 rom chips in my Amiga 1200?
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#2 |
Doogster
Join Date: Dec 2007
Location: Dorset
Posts: 1,069
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Not as far as i know, the a500/600/2000's are interchangeable but no others.
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#3 |
I hate potatos and shirts
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CD32 have the proprietary boot CD libraries on ROM. No other Amiga have it (except CDTV who have another kind of the same).
A1200 have only IDE and PCMCIA card.resource/device (no use in other Amigas). A4000 have Zorro arbiter and no PCMCIA... |
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#4 |
Amibay Senior Staff
Join Date: Feb 2008
Location: Cardiff / Wales
Posts: 1,302
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The scsi.device driver on the A4000 KS is customised for the A4000's differently mapped IDE interface.
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#5 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,470
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AFAIR CD32 only has 1x16-bit ROM chip whereas A1200 and A4000 have 2x16-bit ROM chips.
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#6 |
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,574
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A4000 ROM requires RAMSEY chip. (no RAMSEY = infinite loop)
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#7 |
Miggy Man
Join Date: Nov 2004
Location: Cornwall, United Kingdom
Age: 40
Posts: 831
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#8 |
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,574
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It does some kind of memory test (checks if page mode can be enabled I think) and it freezes because (missing) RAMSEY mode register never changes.
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