How to updated GDA-4040B firmwares?

Dear all ,there is a trouble for me.I have a DVD recorded which is gda-4040b, it read &write speed very slowly so I want to updated it but I don’t know how to updated it. :confused:

Hurry up !who can help me?

First enable DMA mode for this drive.

I’m a newer ,can you tell me how to enable DMA mode?thanks!

Enabling/checking DMA


Dear all.thanks a lot reply me.but there is another problem for me,I can’t find its firmware update software,can you help me? thanks

where is the update software,help me ,help me!!!
:confused: :confused: :confused:

Make sure you know what you are doing before trying to flash.