NEC 3500a read speed

With my old 2500a I was copying DVDs with Decrypter at 8x, now with my 3500a i’m getting rip speeds at 4x or less. What’s wrong? I have it set up as a master drive. What read speeds should I expect when copying a disc?

You need unofficial firmware with riplock removed.

is it worth changing the firmware? will it effect my ripping quality?

Official stock f/w has riplock.

Ok so I’ve done some reading and all I want is basically stock firmware with riplock. Is that available? I don’t want to mess with anything else

There are many stock FWs for the 3500 with riplock disabled.

I have a 3520

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thanks that’s exactly what I was looking for