Very Computer

by **Lev Givo** » Sat, 12 Feb 2000 04:00:00

I have a DPT 2024 PCI SCSI-2 card installed in my system. It
is experiencing no irq or ioport conflicts. I have a TEAC
16X SCSI CD-ROM attached to the card. There is an active
terminator on the end of the internal SCSI bus, and the
external bus is inactivated. The card is set to SCSI ID 0
and the CD-ROM to SCSI ID 1.

According to various Linux documentation, the aforementioned
card uses eata_dma.o as its driver. When I tried loading it
(with modprobe), the CD-ROM apparently was detected
properly; the following appeared in /proc/scsi/scsi:

Attached devices:
Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: TEAC
Model: CD-ROM CD-516S Rev: 1.0G
Type: CD-ROM ANSI SCSI
revision: 02

However, when I checked to see whether the driver was
installed properly, lsmod reported that eata_dma was
"unused." Furthermore, I could not mount /dev/sda after
setting it up as an iso9660 drive in /etc/fstab. The SCSI card's LEDs
are blinking in an "idle" pattern (presumably indicating that the CD-ROM

is "not there"). The CD-ROM itself will open or close when its eject
button is pressed, so it does not seem to be broken. What could the
problem be?
Any advice would be highly appreciated (remove the "nospam"
string from my email address if you wish to respond to me directly).

Thanks,
L.G.

by **Joshua Baker-LePai** » Sat, 12 Feb 2000 04:00:00

> However, when I checked to see whether the driver was
> installed properly, lsmod reported that eata_dma was
> "unused." Furthermore, I could not mount /dev/sda after
> setting it up as an iso9660 drive in /etc/fstab. The SCSI card's LEDs

Err, /dev/sda refers to the entire first hard drive, while
/dev/sda1, e.g., would refer to the first partition on that drive.
The first SCSI CDROM should be attached to /dev/scd0. Change
the /etc/fstab entry to point there.

Also, be sure you're trying to mount a mount point and not the
actual device entry. From the command line:

mount -t iso9660 /dev/scd0 /mnt/cdrom

Or, with the proper /etc/fstab entry:

mount /mnt/cdrom

--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University

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