OK, here is the bad news.
My DRU500A has died after only one month !
It has failed to read any CD or DVD media since yesterday !
Faults
I noticed during the last week that disc's got very hot in the drive, and that the drive was getting hotter than other drives I have here.
It soon started to play up with reading CD's and DVD's, this included the blank disc's (DVD and CD-R), it started to take longer and longer to read / recognise any media I put into it.
Last night the drive finally gave up reading anything I put into it.
The drives light stays orange for well over 1 minute, and then goes out, but the media can not be read by the drive, it's as if the drive is not spinning the disc.
When I took the drive out of the PC, the underside casing at the front was very very hot, it burnt my fingers !
I have since contacted the place I purchased the drive, and they have asked for it back to test.
I do know that they don't have any drives in stock, so it could be some time before I get a new one.
So, just as a warning to owners of the DRU500A, if the drive starts to take a long time to read / recognise media of any kind, or the media is very very hot when you take it out, watch out, the drive is about to fail on you.
SonyUser - UnHappyUser !!