"ARMD is actually short for ATAPI Removable Media Device. It refers to devices that use removable media. Examples include the LS-120, Magneto-Optical (MO) and Zip drives. To boot up any operating system from these drives, it is essential for them to emulate a floppy drive or a hard disk drive. "
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips