[TriLUG] a 'non-windows' method to upgrade BIOS/firmware?

[Douglas Kojetin]

I have had the exact same experiences, except here are my problems 
(with some other random info):

--> I'm using DVD-RW media, which burn & verify OK under OS X.

What I did:

dvd+rw-format -force /dev/cdrom
mkisofs -r -v -J -V data -o file.iso data_dir
growisofs -Z /dev/cdrom=file.iso

The burn /seemed/ to go OK, but when I tried to verify it ...

1. cmp /dev/cdrom file.iso
   --> got an I/O error
2. find /mnt/cdrom -type f -print0 | xargs -0 md5sum >| ~/digest.disc
   --> got an I/O error

I was hoping that upgrading the firmware of the unit might help out, 
but ... not sure!  Again, it seems I can burn things just fine under OS 
X with the *exact* same media.  I've tried it with 2 DVD-RW discs.

Anyone know why I might get an I/O error ... bad burn?  media?  
read/dma settings?

Doug


On Jan 30, 2004, at 10:15 AM, Timothy A. Chagnon wrote:

> I just got a lite-on dvd burner over the holidays, and it took me a
> while to get it going.  At first I tried using dvdrecord (branch off
> cdrecord) but it was giving me errors.  The growisofs program that 
> comes
> with dvd+rw-tools works though to make the filesystem and burn.  If 
> it's
> a dvd+rw you need to use dvd+rw-format to format the disc once before
> the first burn.  I haven't yet gotten dvdrecord to work yet, but
> growisofs works for my usage.