I dont understand one of the instructions Sony has for the firmware update
If you are using the DRU-800A, disable [DMA setting] in Windows before executing firmware update. For details, refer to [Help and Support] in Windows.
The instructions above came from the sony web site, what does it mean -disable DMA setting in Windows- they said if i dont do this the dvd drive could stop working properly.
I tried the help and support but it didn’t help me. Can someone please help me understand this ???