On Wed, 17 Sep 2008 14:29:23 +0100, you wrote: No sorry, didn't realise I needed any licenses for those. I run KZPACs (DRxx devices) on both my Alphas, and just use the AlphaBIOS management utility when I need it. Evidently DEC used the same device designation for more than one device type. So DRxx are both hardware and software RAID devices (and I suspect they were also some very old device designation back when disks were removable). Obviously the harware feature doesn't need any PAK, but the software one... G. P.S.: Did you succeed in installing I64 OpenVMS via InfoServer?