XP Home? Hmmmm. You should ask someone cleverer than me for that one, I'm afraid. I have no idea what the differences are between Home and Pro versions, I got Pro on a recommendation re networking. Peter > *From:* Gerry Winskill <gwinsk@xxxxxxx> > *To:* jhb_airlines@xxxxxxxxxxxxx > *Date:* Tue, 11 Nov 2008 16:26:48 +0000 > > So, does that mean, with XP Home, if I increase my ram from 2Gb to > 4Gb, it will use 3.5 Gb without me doing anything? If so I've > another item for my Christmas wish list. > > Gerry Winskill > > Peter Dodds wrote: > > Device manager reports 3.50GB of RAM Physical Address Extension > > What is actually fitted is 640Kb base memory plus 4096Mb extended > > memory > > according to the Bios record. > > > > I haven't tweaked anything yet. Windows XP Professional SP3 plus > > FSX SP2 > > plus Horizon Gen-X version 1 with Volume 3 "flooded Lake > > District" patch > > all otherwise "out of the box", as it were. > > > > Peter > > > > > > > >> *From:* Gerry Winskill <gwinsk@xxxxxxx> > >> *To:* jhb_airlines@xxxxxxxxxxxxx > >> *Date:* Tue, 11 Nov 2008 13:51:16 +0000 > >> > >> Peter, is this using a mod to the FSX.cfg file? If so, what line > >> have you entered and have you avoided the crashes that some > users >> mention? I understand that's caused by insufficient memory > being >> reserved for XP. > >> > >> Gerry Winskill > > > > > > > >