Path: utzoo!attcan!uunet!jarthur!nntp-server.caltech.edu!fjs
From: fjs@nntp-server.caltech.edu (Fernando J. Selman)
Newsgroups: comp.sys.next
Subject: Re: DMA Channels: Where'd they go?
Keywords: dma
Message-ID: <1990Sep26.041038.6297@nntp-server.caltech.edu>
Date: 26 Sep 90 04:10:38 GMT
References: <50950@brunix.UUCP> <5606@mace.cc.purdue.edu> <14638@cbmvax.commodore.com> <11012@life.ai.mit.edu>
Organization: California Institute of Technology, Pasadena
Lines: 23

cz@wheat-chex.ai.mit.edu (Christopher R Zach) writes:

>Ok, here is a list of the old DMA channels (on the 68030 Next)
>2 for the Ethernet (1 for sends, 1 for recieves)
>1 for the SCSI port
>1 for the optical disk
>1 for BOTH serial ports (shared)
>2 Display's sound (1 for sending, 1 for receiving)
>1 for writing the video memory
>1 for the DSP
>---
>10 Dma channels
>In addition, there were 2 others that were reserved for memory/memory transfers
>for a total of 12. As far as which one of the above 10 were axed, I don't know.

>							Chris

You forgot the printer channel. With this your addition is correct.
Did you use a Mac for the sum?

				- Fernando

P.S. Could someone from NeXT enlighten us?