[huskerlug] Re: CD Writer help

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Actually, you are in luck... I have an HP 9100, which probably 
has the same procedure to get it working.  I'm also running 
Mandrake 8.0. This is a CD-RW on the IDE bus.  Here it goes....

First, I recompiled my kernel to include the appropriate options 
for the SCSI emulation.  In the scsi section of the kernel 
config (2.4 series, but should be similar to the 2.2), I enabled:

scsi support as a module
scsi cd-rom support as a module
vendor specific extensions compiled in
scsi generic support as a module

Make sure to compile the rest of the kernel stuff in to get your 
other devices working.

Then, in my /etc/modules.conf I added:

options ide-cd ignore=hdd 
alias scd0 sr_mod 
pre-install sg     modprobe ide-scsi 
pre-install sr_mod modprobe ide-scsi 
pre-install ide-scsi modprobe ide-cd 
pre-install mad16 modprobe ide-cd

Notice the last line.  I added this on my own because for some 
reason the scsi stuff wasn't being loaded unless the root tried 
to access the device, meaning if I had rebooted, and wanted to 
burn something as a regular user, I had to relogin as root and 
run something like cdrecord -scanbus to get those modules 
loaded.  This line tells the system that when you load the sound 
card (mad16), load the ide-cd module.  You could do the same 
with other drivers like the network card.

Then, the next step... In my /etc/lilo.conf my section to select 
my kernel is:

image=/boot/vmlinuz-2.4.4image=/boot/vmlinuz-2.4.4
        label=2.4.4
        root=/dev/hdb6
        append=" hdd=ide-scsi"
        read-only

The append line is to tell the kernel to ignore the hdd device 
(my cd-rw) as a regular cdrom, and turn it into a scsi device.  
So, my cd-rw is a slave to my regular cdrom on the second ide 
channel.

It should be noted, that with this config, I am unable to mount 
cd's on the cd-rw, simply because I haven't tried.  My regular 
cdrom does just fine.

Run lilo.  When you get back into your system, go in as root.  
Give the user you want to run the recording tools as rights to 
run the cdrecord and mkisofs files, and the ability to 
read/write from the /dev/sg0 device.

Then, I was ready to burn.  If you have any questions with the 
above steps, let the list know.  I know I left out many of the 
smaller steps, and assumed you could rebuild and install a 
kernel.

On Thursday 03 May 2001 08:51, Eric Penne wrote:
> I hate to say this but you should probably read the manual on
> this one. There is a good HOWTO on it at the Linux
> Documentation Project Website.
>
> It will consist of loading the scsi generic module and using
> the /dev/sr0 and /dev/sg0 devices.
>
> http://www.olug.org/LDP is a mirror site of the LDP in Omaha. 
> You will need to look at the CD-Writing-HOWTO.  You won't need
> to follow all of the steps becuase I'm sure Mandrake is setup
> to do most of the kernel stuff for you.  Be sure to read
> through most of it and see if you can do any of the stuff that
> doesn't involve recompiling the kernel.
>
> Eric
>
> --- tina Lovely <tina_lovely@xxxxxxxxxxx> wrote:
> > I have installed Mandrake 8.0 & am trying to get my HP CD
> > writer working(HP
> > 8230e). Can anybody help?
> > ____________________________________________________________
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- -- 

J.R. Wessels
jwessels@xxxxxxxxxxx
www.unl.edu/hlug
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