Modern PE environments require significant RAM and processing power to boot. If you are repairing an older machine with 512MB to 2GB of RAM, a modern WinPE will crash. The 2009 Digiwiz environment boots swiftly on bare-minimum hardware resources.
Microsoft Windows XP Professional (Service Pack 3 architecture) Release Date: May 1, 2009 Build Version: 37
: The entire OS loaded directly into temporary system memory (RAM). Technicians could eject the bootable CD-ROM or USB drive after loading, freeing up optical drives for burning data backups.
: Many manufacturing, scientific, and retail banking systems still utilize Windows XP or Windows 7 embedded systems.