There's also Sony CD-ROM CDU31A-02 with a sticker saying "2X SAMPLE"


Here are some photos:






The AA number is 623583-209.
I have a Sony CD interface on my Orchid SoundWave 32 card.... but as you can get a better CD-ROM for under 20 Euros these days, it does not seem worth the effort.There's also Sony CD-ROM CDU31A-02 with a sticker saying "2X SAMPLE" But there's no interface card for it (and it was connected to FDD connector on the motherboard )