Patrick wrote:
ok, that sounds logical, but i just did a dmesg and i get this pertaining to
the CD drive:
Jul 10 22:54:59 desiderata genunix: [ID 640982 kern.info] ATAPI device at
targ 0, lun 0 lastlun 0x0
Jul 10 22:54:59 desiderata genunix: [ID 846691 kern.info] model
MATSHITADVD-RAM UJ-845S
Jul 10 22:54:59 desiderata genunix: [ID 479077 kern.info] ATA/ATAPI-6
supported, majver 0x78 minver 0x0
Jul 10 22:55:01 desiderata npe: [ID 236367 kern.info] PCI Express-device:
[EMAIL PROTECTED], ata1
Jul 10 22:55:01 desiderata genunix: [ID 936769 kern.info] ata1 is /[EMAIL
PROTECTED],0/[EMAIL PROTECTED],1/[EMAIL PROTECTED]
Jul 10 22:55:02 desiderata genunix: [ID 773945 kern.info] UltraDMA mode 2
selected
that looks like its already using DMA for the CD. am i correct assuming this?
thanks!
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This is what I get with my W2100z
Jul 11 00:13:26 Solaris-0 genunix: [ID 640982 kern.info] ATAPI
device at targ 0, lun 0 lastlun 0x0
Jul 11 00:13:26 Solaris-0 genunix: [ID 846691 kern.info] model
SONY DVD RW DRU-720A
Jul 11 00:13:26 Solaris-0 genunix: [ID 479077 kern.info]
ATA/ATAPI-5 supported, majver 0x20 minver 0x0
Jul 11 00:13:29 Solaris-0 pci: [ID 370704 kern.info] PCI-device: [EMAIL
PROTECTED], ata1
Jul 11 00:13:29 Solaris-0 genunix: [ID 936769 kern.info] ata1 is
/[EMAIL PROTECTED],0/[EMAIL PROTECTED],1/[EMAIL PROTECTED]
Jul 11 00:13:29 Solaris-0 genunix: [ID 773945 kern.info] UltraDMA
mode 4 selected
So it looks like you may be using DMA for your CD. I also found this
link to a chart for the different DMA modes.
http://bugclub.org/beginners/miscellaneous/udma.html
Also, if I type "/usr/sbin/eeprom" at the prompt:
ata-dma-enabled=1
atapi-cd-dma-enabled=1
Do you also get "=1"
Paul
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