Re: Multiple CDR's on an IDE based system

From: Erik Mouw
Date: Wed Jun 02 2004 - 07:08:20 EST


On Tue, Jun 01, 2004 at 09:54:23AM +0000, Hamish Whittal wrote:
> I have a machine that has 3 CDRW's in it. I have tried many different
> configurations of these drives on various IDE controllers, but am still
> having some problems.
>
> I will try to sketch the scenario:
> CDRW1 slave on controller with HDD
> CDRW2 as master on second on-board IDE controller
> CDRW3 as master on additional PCI IDE controller
>
> (I have also tried adding 2 PCI IDE controllers, and putting each CDRW
> as master on each of these controllers, but I get the FIFO buffer
> dropping to 0% very soon after starting a write).

What kind of PCI controller was that? I've seen that kind of behaviour
with Promise IDE cards.

> My machine is a Debian linux IDE based machine. The specs of the machine
> are as follows:
> CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz
> 2 IDE controllers, single 120GB HDD.
> Additional PCI IDE controller

What are the *exact* specs: what kind of IDE controller, chipsets
revisions, etc. See the file REPORTING-BUGS in your kernel source tree.


Erik

--
+-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 --
| Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands
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