Hi Jesse2357,
DAH! It is no go because you have to check the BIOS as to reset all the SATA and IDE drives to ON again, as you cannot blindly install any version of Windows without looking at the BIOS, It is not assumed as it was, it may be reset to the factory default to OFF. Also with Windows XP you have to delete all the previous versions and later versions of Windows from your PC! AND... usually disconnect all other external devices except your monitor, mouse, and keyboard and your sound card and leave the speakers plugged in first; and also delete any and all partitions only on the selected drive. The Help and Support says you instal the earlier version of Windows FIRST IN order of its copyright, Even if XP HE is later than XP Pro, you have to delete that installion FIRST before you can install Windows XP Pro with an earlier copyright! This what is meant as a "CLEAN BOOT of Windows". And the installing process only sees the internal drives and their partitions so that the external devices do not interfere with Windows installing process. Once booted successfully, you then install the Video AGP if the display cannot go better than 640 by 480 resoultion; and the sound drivers if Windows has no sound. THEN, ... one at a time connect the other external devices as some of the drivers will be found inside Windows, and some will not, and maybe call a restart when it says so to work properly. It is best after to check if Windows has put on its SYSTEM files and folders elsewhere than the C partition, and make sure IT boots first by the BIOS IF it does, it means that drive ought to boot first! You have to start over if you want to correct it. As in with IDE drives it is channel 0, MASTER!!! that cable is ID inside the case on themotherboard connector. IF you have SATA drives, it SATA PORT0 regardless which bay or inside the cage. Some PC systems have both ONE IDE channel and two or four SATA PORTS. In my case, I have four SATA ports and I want the Seagate 80 GB SATA drive to boot first. ITS SATA cable where is at must go to SATA PORT0!!! the rest do not matter. Some Systems like mine HAVE a SATA DVD drive. IF you want it to boot before the hard drive, you have to also select it to boot first and be in SATA port0 to boot properly. IF you have an IDE optical drive you only need to select it to go first. IF you do not do this, you get an error as: "NTLDR not found" error! It wont goto the BIOS screen when you need to restart the PC. You will be stuck in a black screen with a cursor blinking in the upper left of you screen! Also check that you have equal amounts of memory in at least TWO slots or in pairs the same size, or else you get a notification error and press the key it says to continue. There is a strict check off list you must follow to the letter and no dievation from it. IN MY case, I just installed a new 400 Watt power supply because I need the extra IDE connector to have the power to the SATA Optical drive and to the rear case fan. There cannot be any second guessing. OTHERWISE POOF! you blow everything with any wrong connection! I successfully put it in on the first try and everything works perfectly. There was no rear case fan but the processor fan blowing through the processor's heat sink from behind the front bezel. The second rear case fan makes sure all the electronics stay cool including the drives as a push/pull cooling system. I will later connect up more USB HDDS and I do not want the USB system to dink out as I need about sixteen USB ports as so I can connect everything I need to be effective for me with my new PC mid tower.
In conclusion: I put in a new POWER SUPPLY, and reconnected the DVD SATA drive, added two PCI to USB 4 + 1 Port cards, a case fan and a Seagate 500 GB Free Agent portable drive all inside the case for starters. I also put in three additional SATA drives three days earlier, and it wont be a slow turkey!
From Edmond the Hardware and software engineer.