Re: My AB040 resurected but is still

From: Jo Even Skarstein <>
Date: Sat, 25 Oct 1997 14:00:36 +0200

On Sat, 25 Oct 1997, Tlcp wrote:

> So now i know how to make the AB work- ing: I must first making the
> 030 run a bit... I remember that Rodolphe Czuba from CENTek told me
> that he has an AB only working when F030 was hot, but i didn't
> belive it. Today I do !!!! I don't know why i must start the 030
> first ? But it has maybe something to do with weird DMA signal I
> guess ?

That was my first guess too, but have you tried to ground the two
Nemesis control-wires as Doug suggested? If the Falcon tries to boot
in 40 or 48MHz, the DMA will act weird indeed, especially if a
Afterburner is fitted.

> If not not, I remember that someone told he has made a REAL 030/040
> swicth without needing to remove AB from mother board... I could be
> very useful

Geir Øyvind Vælidalo has made this, and the descriptions is now
available on my homepage (

> In all the cases I'll try to do what Doug told me to do (thanks),
> And tell you what's going on !!!

** Jo Even Skarstein
** beer - maria mckee - atari falcon - babylon 5
Received on lø. okt. 25 1997 - 14:00:36 CEST

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