*Note* This is an OEM drive. Sony may not release any firmware updates to the public for it.
1. Go to www.sony.com.au (Australian Site), Pick Support - Product Support from the menu at the top of the screen.
2. Type in the model number "aw-g170a" in the box provided, click Submit to search for it.
3. Click on "AWG170AB2" of available selections in search results.
4. There are no firmware updates from Sony.
Alternate solution: http://liggydee.cdfreaks.com/page/en/Optiarc-AD-7170A/