cdr/w + 1400sc revisited

Steve_Boley@Dell.com Steve_Boley at Dell.com
Thu Nov 14 13:48:01 CST 2002


For the burner none, it will only disable it for the specific device or
secondary channel whichever way you use it and won't impact the drives on
primary channel at all if you have ide drives but if it's scsi you don't
have to worry about a thing.
Steve

-----Original Message-----
From: Colichia, Aaron 
Sent: Thursday, November 14, 2002 1:30 PM
To: Boley, Steve
Subject: RE: cdr/w + 1400sc revisited


thanks steve, what kind of performance hit do you project i will experience
with no dma?

Aaron Colichia
Dell Storage Systems Test 1
Round Rock TX  512 725 2844


-----Original Message-----
From: Boley, Steve 
Sent: Thursday, November 14, 2002 1:29 PM
To: Colichia, Aaron
Cc: 'Linux-Poweredge at dell.com'
Subject: RE: cdr/w + 1400sc revisited


just use hdparm -d0 /dev/hda and will fix the issue and you can add this
setting to /etc/sysconfig/harddrive file and will pass at boot or you can
just pass ide1=nodma and will disable dma on secondary channel if you add to
your /kernel line in grub.conf.
Steve

-----Original Message-----
From: Aaron_Colichia at dell.com [mailto:Aaron_Colichia at dell.com]
Sent: Thursday, November 14, 2002 12:59 PM
To: linux-users at insidelists.us.dell.com
Subject: cdr/w + 1400sc revisited


the email i sent regarding cdr/w ide/scsi and the 1400sc was warranted.  i
discovered the ide burner i bought last night (yamaha) is having problems
with dma and the ServerWorks ide chipset that comes on the 1400.  

serverworks chipset support is enabled.  when cdrecord is about to burn to
disk the system hangs for a minute, then locks completely..

if i find no workaround i will have to fork out 100$ more for the scsi
version, and purchase a 50pin-68pin converter...


Aaron Colichia
Dell Storage Systems Test 1
Round Rock TX  512 725 2844


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