English Amiga Board - Roms for A1200?

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- - Roms for A1200? (https://eab.abime.net/showthread.php?t=42522)

Lips2k8

09 February 2009 20:40

Roms for A1200?

I was wondering if I could use Amiga CD32 rom chips or Amiga 4000 rom chips in my Amiga 1200?

DoogUK

09 February 2009 20:56

Not as far as i know, the a500/600/2000's are interchangeable but no others.

rkauer

10 February 2009 00:51

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...

TheCorfiot

10 February 2009 12:19

The scsi.device driver on the A4000 KS is customised for the A4000's differently mapped IDE interface.

TC :D

alexh

10 February 2009 13:55

AFAIR CD32 only has 1x16-bit ROM chip whereas A1200 and A4000 have 2x16-bit ROM chips.

Toni Wilen

10 February 2009 16:26

A4000 ROM requires RAMSEY chip. (no RAMSEY = infinite loop)

BinoX

10 February 2009 18:41

Quote:

Originally Posted by Toni Wilen (Post 509760)

A4000 ROM requires RAMSEY chip. (no RAMSEY = infinite loop)

Hmmm.. THAT is interesting to know...

Toni Wilen

11 February 2009 16:18

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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