Hi Jens. Is the ACA 1230 from Amigakit ser: 36919 a 28mhz or 42mhz clock and did it have a full or EC CPU?
Thanks.
ACA 1230 Clock Speed verification
- Amiga1200DKB
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Don't Panic. Please wash hands.
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This is a 28MHz card. The CPU was probably exchanged for the higher MHz rating (technically, the 25MHz CPU was overclocked by 3MHz), and the MMU, which won't really serve any purpose for 99% of the users, but people want it for bragging rights.
Jens
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That's probably just "for nostalgic reason" - back then, I thought that the EC030 CPUs were inferior, but you really don't see a difference. On the other hand, if you have a use for the MMU (such as hunting for bugs with Enforcer), it is really useful.
We've also made very good use of the MMU with our Graffiti drivers - some 27 years ago. So it's not completely useless. If it works, I wouldn't touch it. Even though it's in a socket, it's a risk to exchange it.
Jens
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The icomp Wiki lists the 42mhz card as a full 68030.
There have been different versions - whatever CPU I have found back then was installed.
Q2: Do ACA Accelerators permit a external fdd connected? Mine is giving NDOS on a Gotek and fdd. I ask because my Apollo Icedrake A1200 won't boot with an external fdd connected.
My A1200 accelerators don't mess with floppy drives. Only the ACA630 and the ACA500plus can swap drives or switch off drives - that would be selectively, if the user chooses to. However, I have never implemented this for the A1200, as I didn't see a use case.
Jens
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