Swapped CD-rom drive won't read data.

[Neil Woolford]

Hi,

For various reasons I've had to change the CD drive in one of my Ubuntu 
machines from the one that I used to install the OS.

I'm now trying to use a slightly older non-recording drive in the 
computer.  It will play CD audio, but won't read data CDs.

If I try to read a data CD the whole system locks to the point of needing a 
power-down, I can't change console or anything.

Hal via the device manager gui reports the correct drive model number.

I notice in dmesg there are two errors relating to hdc;

hdc:  set_drive_speed_status:  status=0x51  (DriveReady SeekComplete Error)
hdc:  set_drive_speed_status:  error=0xb4

later I see;

hdc:  ATAPI 48X CDROM drive, 128Kb cache, DMA

then later still;

CDROM open failed   <repeated>

Does this mean that I need to reset some parameters for the replacement 
drive?  If so, what, where and how?

Neil

PS  The working drive, on another machine running Ubuntu gives;

hdc: HL - DT - ST GCE 84008, ATAPI CD/DVD-ROM drive    <rather than an 
error message>

later;

hdc: ATAPI 40X CD-ROM CD-R/RW drive, 8192kB cache, UDMA(33)
-------------- next part --------------

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.782 / Virus Database: 528 - Release Date: 22/10/04