J

The two cards are the Adaptec ones.  I use these all the time.  This evening I
will be adding a second one to my 1.6.1 system.  I'll let you know what I had
to do to make it work.

I'm not sure about how well it may be recognized - device termination may be
an issue.  I know that for NT all I do is change the port address and the IRQ
and NT deals with the DMA magically.  I suspect that if the I/O is intensive
that the DMA channel should be changed as well...  In that case I would look
at using the DMA channel that the IDE controllers would use if they were in
the system.

One other thought...  Does your system allow you to choose which IRQ's are
relegated to PCI and which to ISA?  If so,  then I would make sure that the
two IRQ's used for the SCSI are set to ISA/Legacy - the Adaptec's have no
clue about PnP.

			-Steve


> Hi Steve,
> 
> What two cards are you referring to?  The PCI NIC card
> and the ISA SCSI controller card (those are the only
> two card in it)?
> 
> Also, shouldn't the SCSI card be recognized in the
> dmesg even if there are no devices attached?  If it
> should, that, I think, would rule out the issue of a
> bad cable.
> 
> Thanks for the other info, though!
> 
> J Silverman
> --- Steve Davidson <smd@scshome.net> wrote:
> > Manuel,
> > 
> > I would write down the settings of the first card,
> > remove it, and set the
> > second card to the those settings.  Reboot the
> > system to see if it functions -
> >  that will test the second card.  If the card works
> > you will remove some of the
> > guess work.  This will also allow you to test the
> > new card with a known good
> > SCSI cable (potentially a big area of problems).
> > 
> > If you go to the Adaptec Web site you will find the
> > information
> > you need about configuring this series of
> > controllers.  The big things are:
> > 
> > Port Address (130, 134, 230, 234, 330, 334
> > (default))
> > DMA Channel (0, 5 (default), 6, 7)
> > DMA Xfer Rate (start with 5.0MB/sec)
> > IRQ (9, 10, 11 (default), 12, 14, 15) (I would avoid
> > 9 if possible)
> > 
> > If the second card works,  set one to the defaults,
> > providing no conflicts
> > with other cards and set the second to:
> > 
> > Port Address: 330 or 234 or 230... (in that order)
> > DMA Channel: this will require some experimenting on
> > your part refer to docs
> > DMA Xfer Rate: 5.0MB/sec
> > IRQ: whatever one you can find that is free in the
> > list.
> > 
> > Hope this helps.
> > 
> > 			-Steve
> > 
> 
> 
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