Is this possible?

[Bearcat99]

Say I have XP64 on one drive, my C drive... and another that I am using as a backup that is actually formatted in XP say a D drive and I have SW on that drive.. like stick profiling software... and I am flying in XP64.. will the profiling SW run on XP or XP64?

[Urufu_Shinjiro]

You would have to install the 64 bit drivers and profiling sw on the xp64 OS.

[Bearcat99]

rgr could I still use the XP formatted drive as a back for file storage or would I have to format that in 64?

[FoolTrottel]

No need to format, it will be accessible.

[dbillo]

Does XP64 use a different file system than XP?

[FoolTrottel]

Not that I know of... http://forums.ubi.com/images/smilies/16x16_smiley-surprised.gif

[MaxMhz]

You will run whatever OS you boot from. If you boot from a 64bit OS you will need 64 bit drivers loaded too. XP x64 and XP 32 bit both have the same NTFS file system, although x64 uses other (64 bit) drivers (ntfs.sys)
You might run into problems when trying to run a 64 bit application after booting up on the 32bit system. x64 is backward compatible with the 32bit versions. This is NOT a two-way thing. 32bit versions are NOT forward compatible with x64. x64 uses WOW64 (Window on Windows) x86 emulation layer to run 32bit applications.
Don't make your life harder than it needs to be. Use either x64 OR stay on 32bit. Why would you need x64 anyway? x64 is not compatible with some 16bit software either.

[Bearcat99]

Rgr.. just wondering.. I have XP64.. but whyen I fgirst got it there was not a lot available for uit.. and I got it at a very cheap price.. cheaper than XP.. and I needed an upgrade at the time.. my HD is starting to show signs of impending death so I was thinking of reloading 64 & heading that death off at the pass so to speak..

[MaxMhz]

I understand. XP x64 is not really targeted at gamers though. As a result there will not be as many drivers available for it as for 32 bit systems. I still think it's a lot better than Vista. x64 is targeted at businesses and users that run applications that demand a large amount of RAM like CAD programs or server software (it should be a GREAT OS for a dedicated server system. You should be able to make a multi-boot easy. Either install it on another drive or on another partition on the same drive.

[RAF_OldBuzzard]

XP x64 has matured quite a bit since introduced. I know because I've been using it since the beta days. Unless you have some REALLY old hardware/software, x64 will run with it without problems. Yeah, there were/are some applications and hardware that won't work with it, but that's NOT x64's fault. You can blame the hardware/software folks for not updating drivers and such for that.

I run a multi-boot system using HyperOS. HOS allows me to have as many as 22 OS installs (I'm currenty have 8) and they can be a mix of 2000, XP 32/64 bit, and Vista 32/64 bit. Right now I have 5 XP X64 installs, and 3 of Xp 32 bit. The only reason I have the 32 bit installs is that I do have some really old software that I still like to use, and the wife has a geneology program that doesn't 'play nice' with x64.

I find that most applications just seem to be a bit 'snappier' in x64. It might just be 'perception', but that's what it 'feels' like. It's probably because x64 is based off of Server 2003, as opposed to the original XP.

As to why run x64? Why buy and use a 64 bit processor, and then only run a 32 bit OS with it? Would you buy a convertible, and then take out all the equipment that would lower the top?