On Windows 7 32bit with SATA mode is IDE in BIOS, the DosFlash utility works fine.
jadburner: your CL19 dump is a valid one
First I made a backup of my device's firmware, which looked well. Then I've burned the CL19 dump into the device. OptiDriveControl recognized it, but the device didn't read DVD-RAM. It didn't recognize anything. Not even a normal DVD-R disc.
So I wrote back the CL88 firmware. I've made a test with OptiDriveControl on the W7 install DVD-R just in case. It worked fine.
It seems that this new drive has no DVD-RAM support at all (jan.2016).
I've seen Sony Optiarc AD-7260S on ebay, I'll order one or two. For testing purposes now I have a good one :). But DVD-RAM for me is important.
Btw it is M-Disc compatible...
So thank you all for your help.
It was nice to meet you.