hey fernando, i tryied following your instructions to the tee. i'm not very computer savvy, but thx to your very concise steps, i was able to make a bootable CD with these 3 files. intel pnp system intel TXT iaStor_ich8R hdc intel TXT iaAHCI_ich9R hdc Im building a cpu from scratch with an intel DX38BT Intel mainboard (would this mainboard contain JMicron ports??), (2) sata HD in Raid0, and (2)ATI hd2600 graphics cards(plan to set up in CrossFire). Anyways, I Placed the Raid0 array i've created in the first position... started up with the bootable CD i made with your instructions(PS i added SP2 as one file named WIN51IP.SP2 to the folder containing the clean OS files, is this ok?) when asked to press F6, I did not. everthing was going fine, I made partitions in the Raid, then when at the step "installing Windows" after initializing, and during installing devices a Stop Error Screen appeared: semi verbatim: """"Prob detected and Win has been shut down to prevent damage. IRQL-NOT-LESS-OR-EQUAL if this is 1st time you've seen this stop error screen, restart, if this appears again, follow these steps: check that any new hardward(hw) or software(sw) is properly installed. if this is a new install, ask hw or sw manufacturer for any windows update you will need. if problem still exists: disable or remove any newly installed hardware or sw. disable BIOS memory options like caching or shadowing. If you need safemode to remove/disable components, restart, then F8 for Advance startup options, select safe mode tech info: ***Stop: 0x0000000A (0x00000010, 0x00000002, 0x00000000, 0x80523E78) Dumping physical memory Dumping complete."""""""" What do I do??? Please help, i've been trying to do this for a month now.