USB HARD DRIVE

CAn I boot up and run XP pRO from a HD connected to USB port with out having a primary HD in the CMOS?
PSYCHOBETTYAsked:
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cool_sathish_333Connect With a Mentor Commented:
To boot an operating system your system must meet the following conditions....
@ Your BIOS must have a bootable USB device support
@ The operating system must have been installed by that hardware.
@ The drivers like the graphic card and other system devices must have been installed by that hardware...

If these conditions are not satisfied, you cannot boot your computer with an USB Hard drive...
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CallandorConnect With a Mentor Commented:
Not unless the motherboard lets you boot from external USB devices AND the OS was installed with the current hardware attached (XP is very specific about what motherboard and video card was used when it was installed, and if you change them, it will not likely boot).  Unless you can meet both the boot requirement and the hardware requirement, it's not going to work.
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MnfCommented:
look at this articals

Recommendations for Booting Windows from USB Storage Devices
http://www.microsoft.com/whdc/device/storage/usb-boot.mspx

Create Bootable USB Flash Drive
http://ucsu.colorado.edu/~shaher/Bootable_USB.html
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