Subject: Re: Keyboard/SCSI-Interference
To: Eduardo E. Horvath <>
From: Michael L. Hitch <>
List: amiga
Date: 11/20/1995 10:09:02
On Nov 20,  8:28am, "Eduardo E. Horvath" wrote:
> On Sun, 19 Nov 1995, Michael L. Hitch wrote:
> > It also defers any level 6 interrupt processing to level 4 (the clock on
> > NetBSD uses a level 6 interrupt, and several boards use level 6
> > interrupt), which minimizes the amount of time running at IPL6.
> What boards are at IPL6?  I thought the A3000 and A2091 controllers were 
> both IPL2.

  The Progressive Peripherals Zeus SCSI, and the Magnum 40 SCSI both use
IPL6.  The MultiFaceCard serial ports also use IPL6.


Michael L. Hitch			INTERNET:
Computer Consultant
Information Technology Center
Montana State University	Bozeman, MT	USA