I had 2 Sony DRU-710A drives in my PC, so I upgraded one of them to Plextor PX-740A. Results are horrible I wasn’t able to write any Dual Layer DVD+Rs with Plextor, it keeps failing in the middle of the write. Just to be sure I tried buring with Sony and it worked great, rebooted tried Plextor, failed. One thing I noticed is that drive’s interal Cache constantly jumps goes below 50%. Sony drive doesn’t.
I just tried a Diagnostic Write test with PlexTools, and while writing on 16x media I only got 7.79x avarage speed
Now about my controller. I’m using SiI 0680 ATA 133 PCI IDE controller (Becuase this server doesn’t have build in IDE that works with faster drives). Plextor sits on IDE2 and Sony on IDE1, both are masters and there are no other devices on IDE controller card.
I have tried to swap drives and put Plextor on IDE1 and Sony on IDE2, but after that card’s BIOS will initialize Plextor but will freeze when trying to initialize Sony. I disconnected plextor and Sony was succesfully initialized.
Please help me, what else can I try?