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Author Topic: Amiga 3000 and Kickstart 1.4  (Read 5599 times)

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Offline PaSha

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Re: Amiga 3000 and Kickstart 1.4
« on: September 15, 2005, 03:28:12 PM »
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mdma wrote:
I thought that the A3000 loaded its kickstart from disk? :-?


Yup, the ones equipped with Kickstart 1.4 in ROM load a Kickstart image from disk.
But the procedure only works with the onboard 68030, and if you want to use a faster CPU you need to have a proper Kickstart in ROM (or use a beta OS1.4)

-Paul
 

Offline PaSha

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Re: Amiga 3000 and Kickstart 1.4
« Reply #1 on: September 15, 2005, 06:41:45 PM »
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No.  The bootstrap ROM doesn't work with the 040/060 MMU.  


Well, have a look at http://www.gregdonner.org/workbench/wb_b14.html

Jeff Grimmett explains how to see OS 1.4 with a softkicked A3000:

Shutdown the Amiga.

Hold down both mouse buttons when you power on.

You will get an OS 1.3 / OS 2.0 selection menu. Select neither!
Instead, move your cursor to where the window's close gadget SHOULD be (upper left) and click it.
You might have to fumble around, but eventually the computer will react and boot into 1.4. You will of course get error messages as the OS 2.x partitions will be used for startup, and they require newer kickstarts, but you'll see some rather interesting GUI concepts :-)


So, in theory you could do this on every cold boot and then run Blizkick from the startup-sequence.
Whether it works or not, who knows? Perhaps someone with an A3000 actually bothers to try?

-Paul
 

Offline PaSha

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Re: Amiga 3000 and Kickstart 1.4
« Reply #2 on: September 16, 2005, 07:29:06 PM »
Well, Kick1.4 was beta (AFAIK) and probably had some issues with 68040's. Does anyone know if 68040/68060's work with Kick1.x at all?