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Author Topic: A4000D & A3000D with Deneb  (Read 3253 times)

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Offline alexh

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Re: A4000D & A3000D with Deneb
« on: June 14, 2009, 08:59:46 AM »
Quote from: Matt_H;511110
Could be something to do with the multiple-DMA-devices bug discovered in Buster 11. (Were you aware of this?) I think A3000 SCSI counts as a conflicting device.
Nope. A3000 SCSI is not a Zorro III DMA master. After all the A3000 launched with Buster 7 which was not DMA capable.

A4000T SCSI is a Zorro III DMA master.
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Offline alexh

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Re: A4000D & A3000D with Deneb
« Reply #1 on: June 14, 2009, 09:11:47 AM »
What do you have stored in your Deneb flashROM?
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Offline alexh

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Re: A4000D & A3000D with Deneb
« Reply #2 on: June 14, 2009, 08:02:46 PM »
Quote from: Matt_H;511206
That's what I originally believed, but I recall reading lots of other posts saying that A3000 SCSI was DMA capable (is it DMA over a non-Zorro bus? Maybe that's where the confusion comes from).
AFAIK it is Zorro II DMA. Similar to A2091.

Cant be Zorro III DMA cos it did NOT EXIST when A3000 was made. It was a later addition.
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Offline alexh

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Re: A4000D & A3000D with Deneb
« Reply #3 on: June 16, 2009, 08:48:33 AM »
What CPU cards do you have in each computer?
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