My experience with XP OEM was rather unpredictable. In one case I swapped a HDD for another of the same brand/size just different cache size and I had to call MS. On another occasion I swapped MB/CPU/HDD and had no problems activating? I know I am not being of any help just thought I'd share. :)
__________________ Desktop: AMD 5000+ BE @ 3.2GHz \\ Tuniq Tower 120 \\ Gigabyte GA-MA770-DS3 \\ Mushkin 2x1GB HP2-6400 \\ Corsair HX520 \\ XFX GTX 275 Core \\ Seagate 3x250 7.2K \\ Dell 2209WA & 2007WFP \\ Razer Deathadder \\ XP Laptop: Dell XPS M1530 \\ T7500 2.2GHz \\ 3GB 667 \\ 6 Cell \\ 8600M GT \\ 200GB 7.2K \\ WSXGA+ \\ Bluetooth/Wireless \\ MS Blue Track Mini \\ Vista Ult. (RED) HEATWARE |