> I recently installed a Pioneer DVR-105 superdrive in my G4 dual 450
> (gigabit ethernet) which has 512M of RAM.
> In most ways the drive has worked as expected. It reads and writes both
> CDs and DVDs from the finder, and I am now able to back up to DVD-RW
> from Retrospect using their latest driver update. I have not yet written
> a video DVD with it using iDVD2, but expect that will work too judging
> by news group reports some time ago.
> However I have found two situations where the drive seems to be
> 1. If I restart holding down the option key, Open Firmware hangs forever
> with a watch cursor. It correctly discovers any boot CD in the DVR-105,
> and my OS X and OS 9 boot volumes, but never switches to the pointer
> cursor which allows booting to continue. Presumably it is waiting for a
> bus response which never happens.
> 2. If I boot from the Jaguar install CD, it finds no drives on which it
> can install Jaguar. This is probably another hung bus scan.
> Re-installing the original DVD-ROM drive solves both problems.
> I have 4 hard disks, 2 on the original controller and 2 on a SIIG
> SC-MP4A12 Ultra ATA 133 controller. I have not tried removing the third
> party controller since my OS X boot volume is connected to it.
> Has anyone else seen similar behaviour? Is there a workaround?
> It may be relevant that unlike my Western Digital hard drives, the
> DVR-105 has jumper positions for Master and Slave, but none for Only
> Drive. There is no second drive on its ATA bus.