I have a legit LDW-851s, which I flashed to GS0F as soon as I got it. I have some imation media (code CMC MAG F01), which is rated 4x on the package.
I was going to speedhack my drive to allow 8x burning using Code65536's tools, because I was under the impression that it would not support burning 4x media at 8x, but when I got the list of media codes by using <getcodes GS0F.exe> (unhacked firmware), I found out that I should already be able to burn this media at 8x, if I'm reading the code correctly (0b11110).
So why won't Nero 6 let me burn at 8x? I don't see what speedhacking will do at this point, if the original firmware already says 8x burning is enabled.
Sorry if this has been covered already, but I'm pretty confused.