TuMaGoNx Posted March 13, 2019 Share Posted March 13, 2019 It may come as outright dumb to some but bear with me.. So they say "why not run XP32 VM for compatibility?" I say why not the opposite? at the moment my thought goes to 7-zip usage with large dictionary size that benefit large RAM so it doesn't have to be Win7-64 VM but the idea is the same. With at least 8GB RAM in XP32 one could allocate spare RAM into RAMDisk which in turn host virtual disk image(s) which in turn host Pagefile(s) that mounted and used by XP64 VM inside VirtualBOX (I use 4.3.40) which otherwise only limited to less than 2GB of host RAM. Combined RAM and Pagefile(s) should hypothetically allow 64-bit process to use >4GB memory with feasible performance (since everything happen in RAM right?). At least that's what I thought to be.. but NOPE the pagefile underperform! it's freaking slow! Actually I see HDD blinks for seconds on occasions. Anybody tried similar thing? maybe with VMWare? Link to comment Share on other sites More sharing options...
Tripredacus Posted March 13, 2019 Share Posted March 13, 2019 As far as I am aware, you cannot run a 64bit VM on a 32bit host unless you have a 64bit CPU. So you actually have it installed, it just doesn't work as expected? Take a look at this and see if it helps any: https://superuser.com/questions/507943/virtualbox-3584mb-memory-limit Link to comment Share on other sites More sharing options...
TuMaGoNx Posted March 13, 2019 Author Share Posted March 13, 2019 Well. while my PC is from 2012 it's at that time no weak specs: Xeon E31265L with 8GB RAM Link to comment Share on other sites More sharing options...
ED_Sln Posted March 13, 2019 Share Posted March 13, 2019 I installed a 64 bit guest (Win7 x64) on a 32 bit host (WinXP) in VMware Workstation Pro. You need to enable VT-x virtualization in the BIOS. Link to comment Share on other sites More sharing options...
TuMaGoNx Posted March 13, 2019 Author Share Posted March 13, 2019 Could we *focus* on the _pagefile_ please? Thank U Link to comment Share on other sites More sharing options...
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