Making Driver Disks

[wlist-centos at kimballstuff.com (William)]

Bryan J. Smith wrote:
> I'm driving at that (because I'm "outta date").  You must build your
> module against the installer's kernel, not your kernel.
> 
> It also has to be in a specific format.  Last time I did this, it was a
> cpio archive (on a VFAT16 disk?).  Is it now a straight Ext2 disk?

Where might I find an existing, working driver disk for CentOS 4.0?  I'd 
like to see if I can reverse-engineer it to make mine work.  I developed 
my current image from a sample RedHat 6 driver disk for an unrelated 
device and, obviously, that was a bad example to follow.

Thanks!