Ultrabay Slim Multi-Burner Plus Drive

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Ultrabay Slim Multi-Burner Plus Drive

This is a DVD writer for the Ultrabay Slim. The label on the drive reads "DVD MULTI +".


  • Read capabilities
    • CD-ROM
    • DVD-ROM
  • Write capabilities
    • CD-R (24x)
    • CD-RW (10x)
    • DVD-R (2x)
    • DVD-RW (2x)
    • DVD-RAM
    • DVD+R (2.4x)
    • DVD+RW (2.4x)

Ultrabay Slim optical drive

Actual drive

  • Matsushita UJ-822S

Part numbers

  • Order PN: 73P3342 (curved bezel)
  • FRU PN: 39T2507
  • ASM PN: 39T2570

Linux support

If connected at boot time, the drive is normally /dev/sr0.

Problem reading video DVDs

When playing a region-coded video DVD for the first time using a Linux player, you may get errors such as the following:

libdvdread: Invalid IFO for VMGM (VIDEO_TS.IFO)

This is caused by the DVD driver's region never having been set. Use regionset to set some region and retry. It is important that you choose the region code wisely, as you will not be able to read any other regions, and you can only change the region 4 times before it becomes permanent.

With older drives you could use libdvdread to bypass a drives region restrictions, but this doesn't work in some drives, particularly those from Matshita. Matshita DVD drives actually refuse to read out-of-region media, and implement RPC-2 fully. This cannot be worked around in any way short of drive firmware changes, which are not available anywhere.

Supported with

Vendor documentation


Photos (click to see full size)