I had someone put it together for me a few years back. This is what I know: It has a ASUS motherboard, OS: Windows XP, new HD is Seagate, Barracuda 7200.8 200 Gbytes, model 8T3200826A: old HD #1 is Western Digital, enhanced IDE, model WD200, old drive #2 Western Digital WD300. Used the #1 as my...