Check out http://www.microsoft.com/whdc/system/platform/server/PAE/PAEdrv.mspx I think that w2k pro had a 2G limit, and would fall over ungracefully when the physical and swap space were full - normally during and tedious simulation runs! Best Regards David Greig ______________________________ GigaDyne Ltd 5 Albany Business Centre Gardeners Street Dunfermline KY12 0RN United Kingdom t: +44 (0)1383 624 975 www.gigadyne.co.uk ______________________________ _____ From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of ricmar@xxxxxxxxxxx Sent: 22 February 2008 16:45 To: icu-pcb-forum@xxxxxxxxxxxxx; icu-pcb-forum@xxxxxxxxxxxxx; Walter Boese Jr. Cc: Walter Boese Jr. Subject: [PCB_FORUM] Re: Low on available memory, please exit the program. I have been informed XP will run 4 GIG but reports it incorrectly as 3 GIG. I have it on my other site and a 3RD Party Utility (Avanquest) reports it as 4 GIG. Richard E Marion -------------- Original message -------------- From: "Walter Boese Jr." <walterb@xxxxxxx> > Not that this is your problem, but for info purposes. > Windows XP cannot address 4gig of memory. > There is a 3gig switch, but we have found that to be problematic. > > The only way to address 4gig is with Windows XP Pro 64bit and Cadence > does not support 64bit Windows at this time. > > Walter Boese Jr. > SGI > > > Julian Ungureanu (jungurea) wrote: > > > > I thought I post this here before I open a case with Cadence. > > I get this message when updating DRCs. > > The brd file is ~100 Mb. > > T61P, 2.2 GHz, 4 Gb RAM, Windoze XP > > Any ideas why? > > > > > > Thanks, > > Julian U. > > > > > > -- > > > Walter Boese, Jr. > wa lterb@ sgi.com > > ----------------------------------------------------------- > To subscribe/unsubscribe: > Send a message to icu-pcb-forum-request@xxxxxxxxxxxxx > with a subject of subscribe or unsubscribe > > To view the archives of this list go to > //www.freelists.org/archives/icu-pcb-forum/ > > Problems or Questions: > Send an email to icu-pcb-forum-admins@xxxxxxxxxxxxx > -----------------------------------------------------------