By design, 32 bits operating systems won't adress more than 3 gigs of RAM. To do so, you'll have to install the x64 edition of XP, Vista or 7. I'm on the x64 wagon since Windows XP x64 edition, and never regretted it. Great compatibility with 32 bit software if needed, and you can install as much RAM as needed in your box. Simple and effective, really.
I know 32 bit operating systems in the past wouldn't read more than 3-3.5gb of memory, but I don't know if that is inherent to the 32 bit OS, or if it was just for the older systems. I am curious to know if W7 will read more than 3gb of memory.
That's odd.. if it can run Vista x64 fine than it shouldn't have any problems running Windows 7 64 bit.. Are you sure you had all your motherboard drivers installed? Crashes are a common result of missing mobo drivers..
Update: Reinstalled 64 bit.
I didn't update, just restart. Bluescreened. Enabled boot logging and grabbed the log afterward. This was the last driver it attempted to load before the system crashed.
Loaded driver \SystemRoot\system32\drivers\usbaudio.sys
Restarted the computer, and tried to boot into safemode. It hung on this one:
Loaded: \SystemRoot\system32\drivers\Winpnp.sys
Microsoft (R) Windows (R) Version 6.1 (Build 7100)ഀ
4 28 2009 00:39:59.375ഀ
Loaded driver \SystemRoot\system32\ntoskrnl.exeഀ
Loaded driver \SystemRoot\system32\hal.dllഀ
Loaded driver \SystemRoot\system32\kdcom.dllഀ
Loaded driver \SystemRoot\system32\mcupdate_AuthenticAMD.dllഀ
Loaded driver \SystemRoot\system32\PSHED.dllഀ
Loaded driver \SystemRoot\system32\CLFS.SYSഀ
Loaded driver \SystemRoot\system32\CI.dllഀ
Loaded driver \SystemRoot\system32\drivers\Wdf01000.sysഀ
Loaded driver \SystemRoot\system32\drivers\WDFLDR.SYSഀ
Loaded driver \SystemRoot\system32\DRIVERS\ACPI.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\WMILIB.SYSഀ
Loaded driver \SystemRoot\system32\DRIVERS\msisadrv.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\pci.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\vdrvroot.sysഀ
Loaded driver \SystemRoot\System32\drivers\partmgr.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\compbatt.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\BATTC.SYSഀ
Loaded driver \SystemRoot\system32\DRIVERS\volmgr.sysഀ
Loaded driver \SystemRoot\System32\drivers\volmgrx.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\pciide.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\PCIIDEX.SYSഀ
Loaded driver \SystemRoot\System32\drivers\mountmgr.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\atapi.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\ataport.SYSഀ
Loaded driver \SystemRoot\system32\DRIVERS\msahci.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\amdxata.sysഀ
Loaded driver \SystemRoot\system32\drivers\fltmgr.sysഀ
Loaded driver \SystemRoot\system32\drivers\fileinfo.sysഀ
Loaded driver \SystemRoot\System32\Drivers\Ntfs.sysഀ
Loaded driver \SystemRoot\System32\Drivers\msrpc.sysഀ
Loaded driver \SystemRoot\System32\Drivers\ksecdd.sysഀ
Loaded driver \SystemRoot\System32\Drivers\cng.sysഀ
Loaded driver \SystemRoot\System32\drivers\pcw.sysഀ
Loaded driver \SystemRoot\System32\Drivers\Fs_Rec.sysഀ
Loaded driver \SystemRoot\system32\drivers\ndis.sysഀ
Loaded driver \SystemRoot\system32\drivers\NETIO.SYSഀ
Loaded driver \SystemRoot\System32\Drivers\ksecpkg.sysഀ
Loaded driver \SystemRoot\System32\drivers\tcpip.sysഀ
Loaded driver \SystemRoot\System32\drivers\fwpkclnt.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\vmstorfl.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\volsnap.sysഀ
Loaded driver \SystemRoot\System32\Drivers\spldr.sysഀ
Loaded driver \SystemRoot\System32\drivers\rdyboost.sysഀ
Loaded driver \SystemRoot\System32\Drivers\mup.sysഀ
Loaded driver \SystemRoot\System32\drivers\hwpolicy.sysഀ
Loaded driver \SystemRoot\System32\DRIVERS\fvevol.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\disk.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\CLASSPNP.SYSഀ
Loaded driver \SystemRoot\system32\DRIVERS\cdrom.sysഀ
Loaded driver \SystemRoot\System32\Drivers\Null.SYSഀ
Loaded driver \SystemRoot\System32\Drivers\Beep.SYSഀ
Loaded driver \SystemRoot\System32\drivers\vga.sysഀ
Loaded driver \SystemRoot\System32\DRIVERS\RDPCDD.sysഀ
Loaded driver \SystemRoot\system32\drivers\rdpencdd.sysഀ
Loaded driver \SystemRoot\system32\drivers\rdprefmp.sysഀ
Loaded driver \SystemRoot\System32\Drivers\Msfs.SYSഀ
Loaded driver \SystemRoot\System32\Drivers\Npfs.SYSഀ
Loaded driver \SystemRoot\system32\DRIVERS\tdx.sysഀ
Loaded driver \SystemRoot\system32\drivers\afd.sysഀ
Loaded driver \SystemRoot\System32\DRIVERS\netbt.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\wfplwf.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\pacer.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\vwififlt.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\netbios.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\wanarp.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\termdd.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\rdbss.sysഀ
Loaded driver \SystemRoot\system32\drivers\nsiproxy.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\mssmbios.sysഀ
Loaded driver \SystemRoot\System32\drivers\discache.sysഀ
Loaded driver \SystemRoot\system32\drivers\csc.sysഀ
Loaded driver \SystemRoot\System32\Drivers\dfsc.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\blbdrive.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\tunnel.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\amdppm.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\CmBatt.sysഀ
Loaded driver \SystemRoot\System32\drivers\dxgkrnl.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\atikmdag.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\Rt64win7.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\athrx.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\vwifibus.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\usbohci.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\usbehci.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\HDAudBus.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\i8042prt.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\kbdclass.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\mouclass.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\CompositeBus.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\AgileVpn.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\rasl2tp.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\ndistapi.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\ndiswan.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\raspppoe.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\raspptp.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\rassstp.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\rdpbus.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\swenum.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\umbus.sysഀ
Did not load driver \SystemRoot\System32\drivers\vga.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\usbhub.sysഀ
Loaded driver \SystemRoot\System32\Drivers\NDProxy.SYSഀ
Did not load driver \SystemRoot\System32\Drivers\NDProxy.SYSഀ
Did not load driver \SystemRoot\System32\Drivers\NDProxy.SYSഀ
Did not load driver \SystemRoot\System32\Drivers\NDProxy.SYSഀ
Did not load driver \SystemRoot\System32\Drivers\NDProxy.SYSഀ
Loaded driver \SystemRoot\system32\drivers\HdAudio.sysഀ
Loaded driver \SystemRoot\system32\drivers\ksthunk.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\agrsm64.sysഀ
Loaded driver \SystemRoot\system32\drivers\modem.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\usbccgp.sysഀ
Loaded driver \SystemRoot\system32\DRIVERS\USBSTOR.SYSഀ
Loaded driver \SystemRoot\system32\drivers\usbaudio.sysഀ
Likely problem:
The drivers for the 64 Win7 is bad. Not the Windows 7 64 being incompatible with your computer..........