On 21.05.2012 21:43, Stéphane Charette wrote: > On Mon, May 21, 2012 at 4:46 AM, Klaus Espenlaub > <[email protected] <mailto:[email protected]>> wrote: > > The policy right now is that we don't really appreciate such "add my > favorite OS" contributions, especially if you completely ignore the > structure of the existing OS type identifiers (0xTVB00 - T=OS type, > V=variant, B=bitness). > > > This brings up something I've always been curious to know. Is it > documented what this does? I'm guessing it tweaks how VirtualBox deals > with some specific internals, but...what exactly? And if I pick > something like Windows but then install Linux, will it work? If I pick > RedHat and then install Ubuntu, are there any effects? To satisfy the > curiosity of your advanced users, I would love to see something on that > part of the GUI which either pops up a bubble of help, or goes to a http > link that explains what changes when I select OS 'A' versus 'B'.
VirtualBox uses the guest OS type mostly for documentation purposes, and for showing a nice icon in the GUI. There is only one hack in the code currently which enables a guest OS specific optimization in a very specific setup, for some oldish Windows variants if you set the OS type correctly. So this has far less influence than you might think. In general it's very safe to misdeclare the guest OS type whichever way you like. If you notice any behavior or performance differences please see a doctor and have your time source checked :) > (I haven't re-read the end user document in...? At least a year. So > maybe this is already documented and I just haven't come across it.) Not worth documenting something which almost doesn't exist. Klaus > Stéphane -- Oracle <http://www.oracle.com> Dr. Klaus Espenlaub | Snr. Manager Software Development Desktop Virtualization Phone: +49 7151 60405 205 <tel:+49715160405205> Oracle VM VirtualBox ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | 71384 Weinstadt ORACLE Deutschland B.V. & Co. KG Hauptverwaltung: Riesstr. 25, D-80992 München Registergericht: Amtsgericht München, HRA 95603 Geschäftsführer: Jürgen Kunz Komplementärin: ORACLE Deutschland Verwaltung B.V. Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Niederlande, Nr. 30143697 Geschäftsführer: Alexander van der Ven, Astrid Kepper, Val Maher Green Oracle <http://www.oracle.com/commitment> Oracle is committed to developing practices and products that help protect the environment _______________________________________________ vbox-dev mailing list [email protected] https://www.virtualbox.org/mailman/listinfo/vbox-dev
