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Re: Insmodding NCR SCSI

daemon@ATHENA.MIT.EDU (Marc SCHAEFER)
Fri Aug 21 17:43:03 1998

From: Marc SCHAEFER <schaefer@alphanet.ch>
Date: 	21 Aug 1998 21:47:16 +0200
Apparently-To: linux-scsi@vger.rutgers.edu
To: unlisted-recipients:; (no To-header on input)

Maarten van Leunen <etmmvle@etm.ericsson.se> wrote:
> into the kernel that's okay. The other modules NCR3C8xx.o or something
> give me a "Device busy or Resource occupied" or something when trying to

this is ncr53c8xx

   insmod ncr53c8xx

The suggested order is

   insmod scsi_mod; insmod ncr53c8xx; insmod sg

then you can use your scanner.

If you get a 'Device busy or Resource occupied', check with
`dmesg' if there is any error --- such as ``IRQ already in use''.


> P.S. It's kinda freaky, the SCSI card had the same IRQ as ttyS0, so used
> ISAPNP during startup to reset the IRQ to 7. Maybe I have to, because of
> this, put some parameters (which ones?) at the end of the "insmod
> ncr3c8xx.o"?

Isn't that a *PCI* chip ?  So why are you using ISAPNP utilities ?

Also, if the SCSI card had the same IRQ as ttyS0, you have to fix
that before.  7 is not something common for a serial device,
so I assume you are using a ISA I/O card. If your BIOS has
a PCI/ISA-Plug and play configuration, go into it, disable
automatic allocation and reserve IRQ 7 for ISA only.

NB: all the above is wrong if your NCR card is not a PCI. In that
case maybe it's not even the ncr53c8xx driver.


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