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Further inspection of this issue shows that if you have the 3GB switch set in your boot ini (even on SP2) Vbox fails (back down to the lower resolution) as soon as you push the video memory allocation up past about 24Mb. So I'm stuck with either running without the 3Gb switch or running with not muc...

Hi Guys Some news on this issue, I've re installed XP at sp2 (Note: not SP3) and under sp2 windows XP the 3GB boot ini switch works fine and so does virtualBox re video resolutions so it must be something to do with SP3 and the 3GB switch. For the moment I'm a happy bunny running photoshop using 2.6...

One other thing I must ask. Rereading your post above your boot.ini states "multi(0)disk(0)rdisk(0)partition(2)\WINNT="????" /3GB" You did state the proper name for the ???? right? Meaning that you just didn't use ???? Not trying to criticize here just sometimes we all make mist...

I fail to see the relation between ram and video. The amount of video ram is limited by the VM settings AND the way the Guest Additions VBox video driver communicates with the Host video resources, next to that you have OS ram where a video system could cache video stuff but not display it directly...

I think you are misunderstanding the scenario. I have allocated 3.5 Gig of Ram using virtualbox, this is no problem and is available for windows to use as checked in my computer properties and task manager! however for applications to be allowed to address >2Gig windows XPsp3 requires a flag set in ...

This is only usefull for the Host, the Guest is limited to what you can set as VM value, since this part is part of the virtualization thing. XP32 is the Guest in this case and this is useful to the guest as I wish to allocate more than 2 GB to an application. the bug comes that virtualbox only off...

I have found that windows XP needs to have a 3gb switch added to the boot.ini fot allow applications access to 3gb of ram which I have done however I then get low res graphics and colour depth any ideas out there? Boot ini details [boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(2)\...

I have installed virtualbox 2.2.0 under Ubuntu 9.04 x86_64 and windows XP (32) SP3 as guest I've installed both the guest additions 2.2.0 and wine D3D when I install Adobe CS3 all works fine however my max memory in photoshop is only 1606 even though I have set 3.5Gig aside for virtual box and XP wh...