connect a dvd rom to the same ide as a harddrive

hi guys
i need help i have just fitted a nes 1000a dvdrw to my system
amd 2200 xp 80gb west dig hardrve 512 ddr ram
but i wanted to keep my msi 48 speed cdwriter and my pioneer dvd rom
so i made the dvdrw master and msi cdrw slave on ide 2
now i put my dvdrom on with the the harddrive but had to use the use the plug that fitted intom the back of harddrive and plug the second plug in the harddrive because of the lenght ogf the cable but when it rebooted the o/s xp pro could not be found
does this make sense to anyone?
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Yeah you have essentially made the DVD drive the boot drive because is now the master on the primary IDE channel.
See if this helps

Set the jumpers on the hard drive to master and the DVD to slave

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Western Digital drives are very particular about how the jumpers are set. When you put another device on the same channel as a WD drive you have to set specifically set the drives jumpsers to be master or slave depending on what it is going to be.
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I agree with CrazyOne, the Master Boot record has moved and the BIOS cant load the bootstrap or MBR to in turn load the OS.  Make the HD the Master on the primary IDE and make your DVD the slave, move them around the chassis if you have to make them line up with the cables.  Also, run the newest version of Power Quest companies software Partition Magic and set the boot partition of your hard drive to be active again.  This software works great for fixing hard disk problems.  One final thought is to check the BIOS (press F2 or delete at prompt when booting) and make sure that the motherboards BIOS can even see all the disks.  

Make sure your IDE cables are in good condition as a cable that is overly crimped or otherwise damaged wont work.  Make sure your jumper setting are correct, some drives require special jumper settings not just for Master / Slave but also Size, cylinders, sectors.  BTW:  FYI when you put a CD or ZIP on the same channel as the IDE hard drive, your going to slow things down as the motherboard will compensate for the slower drive being with the hard disk, split this up and eliminate one of your disk drives if you have to so that the Hard disk is alone or is paired with another hard disk on the Primary IDE channel.

Also, keep in mind the a DVD-RW should also be able to write CD-RW and CD-ROM disks at a really good speed, so do you even really need the second DVD or CD-RW drive?? Can your computers power supply even support that many drives, should be 350W or better.  If want all those drives and more, you might consider purchasing an extra IDE controller and put it in a free PCI slot, the RAID models cant support ZIP, CD, or other ATAPI drives as the RAID expanders are meant for Hard Disks.  You still have to keep the Boot Hard drive on the primary IDE master tho.
Last thought, Use only high-density 80 wire IDE cables, the use of 40 wire low-density cables could be contributing.  Also for a Hard Disk to operate at maximum speed and with the best reliability you MUST use the high-density HIGH QUALITY cables.
Aslo you may have your BIOS set to boot from the CD drive as the first or second boot device and the hard drive as the last boot device. You may have to change this order to have the CD drive as the last one in the boot order.
as mentioned above you've by the sound of it made your OS HDD appear on the secondry slave device,  it should be possible to get this device to boot as it is by manipulating the bios,  (I will however encourage you to do as CrazyONE says and swap the hdd To master and the dvddrive to slave.)

if you  know how to do this then i'm sorry if this sounds patronising if not read on!

When you power on press delete either when the board logo is displayed or when it scans for the relevent ide devices until you reach the blue bios screen.  

once in the bios go to the menu labelled boot. there you should find the Boot Devices.  Make sure that your hd is set as boot device 1 (hdd 0) and that boot device 2 is (hdd 1) just for now turn off the other boot devices.

then go to exit and save and restart.  IF the problem goes away and the system boots then you may consider enabling the other boot devices. E.G

Boot Device 1 (dvddrive)
boot Deice 2 (HDD 0)
Boot D 3 (HDD 1)

if this works change it to the following

Boot Device 1 (floppy drive)
boot Deice 2 (Dvd drive)
Boot D 3 (HDD 0)
BD4 (hdd 1)

if this works i'd suggest for an average system user you should find that boot order adequate for your needs. Don't forget that each time you alter anything save them before exiting.

 Hope this helps

samstone1968Author Commented:
thanks to everyone who took time out to answer my question
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