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Is it possible to install three hard drives?

Posted on 2004-09-06
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Last Modified: 2008-01-09
I would like to know if I could install a third hard drive? What things do I need to know or check to see if this is possible? Thanks.

I believe I have figured out the answer to my question. I can only put two drives pure drive slots on the mother board and there fore I can't have three hard drives and two removable storage drives. Therefore, I removed the slaved CD ROM drive and placed the third hard drive after the master CD ROM drive. It worked fine and I was able to transfer my info off the third drive and then reinstalled the second CD ROM drive. I guess I could buy a drive card to put in one of my PCI slots and go that course. Thanks.
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Question by:Zamman002
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by:CrazyOne
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>>>I guess I could buy a drive card to put in one of my PCI slots and go that course

Yes that would be a reasonable option especially if you want the second CD drive.
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jayca earned 20 total points
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You answered your own question :)

I agree with your thinking, either that, or buy removeable hard drive kits for 10$ each.  That way you can pop in the drives as needed and save yourself the power supply load.

Otherwise, get youself a good drive controller card for under 40$ and you are all set... plus it will be reuseable on your next PC.

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by:jonnietexas
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You can put 4 IDE devices per cable.
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by:jvuz
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jonnietexas , shouldn't it be 2 IDE devices per cable, and so 4 IDE devices total?
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by:Pete Long
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LOL agree, You can either buy a card to give you more IDE sockets or get a motherboard that has more sockets, some boards have 4 IDE sockets - these are marketed for RAID but each IDE channel can support 2 IDE devices.

PL
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by:Zamman002
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Thanks everyone. Please let me give more information on my current configurations. First, I am using "Win XP Pro” operating system with a Pentium IV. I have two "DVD rewrite" drives, two hard drives and an external "SCSI" hard drive. Currently I have the external drive disabled so the DVD drives will function. I also have a "SCSI" flat bed scanner that has no problem functioning on the same "SCSI" card with all of the other devices. I guess if the “SCSI” I have was not old I could simply add about five more drives on that without a problem. However, I am just wondering if there is a way to configure what I have now without buying new devices. If not let us let sleeping dogs lie. I will just reconsider building a new system or reconfigure all of the devices and systems to make all work in some unison. Thanks Again.
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by:crazijoe
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You shouldn't have a problem with hooking up more SCSI devices. Rule of thumb is put the fastest SCSI device on the first connector of the SCSi cable and put the slowest last.

< Currently I have the external drive disabled so the DVD drives will function. >

I'm kinda confused. When you hook up the external drive the DVD drives don't function?
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by:Pete Long
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yeah you are only allowed 4 IDE Drives but as you have SCSI you can have up to 15 devices (7 if its a very old card which I doubt) and they can all run at the same time providing they all have adequate power - you could even plug in 127 USB hard drives as well (theoretically)
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by:Firejust
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I have three hard drives and two optical drives, all five IDE. I just have a Promise 100 TX2 controller card connected to two of the hard drives. Its the card that came with my 200 gig western digital.

So far, the setup works beautifully and I haven't had any problems out of it.

Justin
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by:Zamman002
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"Crazyjoe" in the device manager one of the “DVD” drives is not recognized unless I deactivate the external “scsi cd rom” drive. Maybe, the problem is a sequence or address conflict that I could correct by reassigning the external drive to a different address. "PeterLong", yes the "SCSI" I have is pre "SCSI II" I believe. So, yes I do believe it will only control about 7 devices. “Firejust”, you are probably using a newer drive controller on a newer motherboard than what I am using. Alternatively, maybe like I said, I need to readdress my external drive, for it to function correctly. I do not believe the motherboard can readdress the internal drives to allow all the drives to be recognized. Thanks again everybody, you have given me more ideas to try. Thanks.
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by:crazijoe
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If you disconnect the SCSI CDROM drive and hook a SCSI hard drive does both the DVDs work fine?

I have a file server that uses an Adaptec 2940 SCSI card with a Quantum Grand Prix 4.3 GB HD that the OS is on, 36.1 GB IBM SCSI drive, 2 WD 120 GB IDE drives, IDE DVD drive and a standard IDE CDROM drive. I have a CDROM emulation software called Virtual Drive that is right now configured to emulate 8 CDROM drives. The VCD image files for the Virtual Drive are stored on the IBM drive.  All 8 of the Virtual Drives, the DVD drive, the CDROM drive, and the 2 WD drives are shared.
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by:Zamman002
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Well everyone I answered my own question again. So at goes to show that discussing things help you to rethink things again. The problem I was having was that I needed to readdress the external “SCSI” drive, so it would not conflict with the internal drives. Now all devices show-up without a conflict. Thanks for the help to everyone. I have another question coming up about a “NIC” failure on the motherboard.
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