Re: New AB user + Question

From: Jo Even Skarstein <>
Date: Mon, 24 Aug 1998 16:03:20 +0200 (MET DST)

On Mon, 24 Aug 1998, Jonas Klereborn wrote:

> Anyway the problem is only cosmetic and the computer runs stable and
> without any dataloss or other strange artefacts.

Then it's probably not a DMA-problem, but (as you suggest) interference. I
did the following to my AB/Nemesis:

o Shielded the fly-wires from the Falcon to the AB with foil.
o Shielded the entire underside of the AB.
o Grounded the Nemesis with five thick wires.
o Used shielded wire from the buffer to the DMA.
o Routed wires away from the RAM-card and Videl.
o Fed the MIDI/keyboard ACIAs with a fresh 500KHz clock (problem with

SCSI still doesn't work properly in 40MHz, but otherwise the machine is
just as stable as in 32MHz.

** Jo Even Skarstein
** beer - maria mckee - atari falcon - babylon 5
Received on ma. aug. 24 1998 - 18:35:00 CEST

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