Douglas Atique wrote: > > Hi Aubrey, > > Thanks for helping and for the diagnostic. Just so that I understand, > OpenSolaris is having problems to parse the _PSD ACPI table, correct?
Partly, I believe any OS including Windows, Linux, etc have problem to parse the _PSD object on your laptop. Because it has wrong implementation. > That is, the BIOS provides an ACPI table with system data that the OS can > use to control the machine, and that data is in a standard format, for which > the OS has a parser embedded in one of its kernel modules. Is that correct? Yeah, mostly. If you have interest, you can read ACPI specification. > > If you find it useful, I can open a new ticket with Sony support to let > them > know there is a problem. Maybe they are willing to help and work with you to > find and correct the problem. er..., no wonder to see this kind of buggy BIOS. > > About BIOS upgrades... I have been looking for BIOS updated downloads > since I bought this notebook. One thing that particularly bothers me (and for > which > I have opened a ticket with Sony support) is that I cannot enable VT-x > (hardware > virtualization) because the BIOS locks it off and provides no means to enable > it. > Now you are giving me a second reason to upgrade. The fact is that I have not > found any "Sony-endorsed" BIOS updates for my model (VGN-N38Z/W). Where > can I find them? Just give me the URL and some time to think about the > possible > consequences.? > Here are a few questions to aid in my decision: > 1. How would we know that the problem is solved with a newer BIOS? > 2. Can I make a backup of my current BIOS in case I need to go back to > it? > 3. How do I flash a new BIOS on a machine that doesn't have a floppy? > Consider > that I don't have an external USB floppy either. Is there another way? > > Regards, > Douglas As for BIOS upgrade, I'm afraid I can't do any further help. You have to be on your own and at your own risk. Thanks, -Aubrey