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11-12-2002, 08:00 PM
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#1 |
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Member (8 bit)
Join Date: Oct 2002
Posts: 171
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Installing a CD ROM Drive
I was just wondering I have a old 486 that needs a CD ROM drive. I took a drive out and Installed the CD ROM Drive and the IDE Cable wont reach the CD ROM drive its got the primary slot plugged into the hard drive and second slot isn’t being used so I was gunna plug the CDROM into that. But its about ½ inch to short. Its one of those old IDE Cables that all the slots to plug things in are all black they have numbers on them P3, P2, P1. I was just wondering if I get a new IDE cable would it work with a really old mobo? I couldn’t find any ID markings on the mobo it was so old. Same with the HD I couldn’t find any jumper slots on it to change it to master or slave im guessing its on master right now. So if the newer IDE cables work with this old mobo, Should just have the CD ROM drive on cable select or slave.
Sorry about putting this into the Assembly forum, It should be in the hardware forum I think. I tried to delete this post and move it but couldn’t. Last edited by Northernwinds; 11-12-2002 at 08:03 PM. |
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11-12-2002, 08:03 PM
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#2 |
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The Gavel
Join Date: Dec 1999
Location: Upland, CA
Posts: 6,311
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Just pick up a longer 40 wire IDE cable. Jumper the cd rom as master and put it on the second channel.
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11-12-2002, 08:09 PM
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#3 |
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Member (8 bit)
Join Date: Oct 2002
Posts: 171
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24-Inch. IDE ATA 100/66 should work right? Or I should just get 36-Inch just to be safe
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11-12-2002, 08:17 PM
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#4 |
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The Gavel
Join Date: Dec 1999
Location: Upland, CA
Posts: 6,311
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The length doesn't matter. 24" should be plenty long. The newer IDE cables are 80 wire but still have a 40 pin plug and is backwards compatible. The extra wires are there to eliminate interference for the faster ATA 100 hard drives; hardly an issue with a cd rom. If you do end up with an 80 wire cable, jumper the cd rom to CS (Cable Select) and put it all the way at the end of the cable. For cd roms, the 40 cable is fine.
If the plug in the motherboard does not have the "notch" for the newer style cables, no problem, just file the corresponding protrusion down on the IDE cable's end and put the side with the stripe on the ribbon cable on the #1 pin on the motherboard. If you get the IDE cable on backwards it just won't work and you'll have to reverse it. |
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11-12-2002, 11:01 PM
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#5 |
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Forum Administrator
Staff
Premium Member
Join Date: May 2000
Location: Joplin MO
Posts: 37,771
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I beg to differ - on a 486 stick with standard 40 wire cables and use master/slave jumpering. Just go buy a longer one.
Most 486's only have one channel. |
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11-12-2002, 11:15 PM
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#6 | |
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Member (8 bit)
Join Date: Oct 2002
Posts: 171
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Quote:
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11-13-2002, 07:53 AM
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#7 |
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The Gavel
Join Date: Dec 1999
Location: Upland, CA
Posts: 6,311
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OK, I agree with GLC if it only has 1 IDE channel but I thought Northernwinds said it had a primary and secondary channel. If it only has one, definately go with the 40 wire cable and jumper the two drives as Master/Slave.
You might also make your existing ribbon cable work by re-arranging the position of the drives, ie, move the hard drive and cd rom so they are closer together. Last edited by LawyerRon; 11-13-2002 at 07:55 AM. |
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11-13-2002, 10:13 AM
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#8 |
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Member (8 bit)
Join Date: Oct 2002
Posts: 171
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Sorry about that, I was talking about the master / slave slots on the IDE cable. Iv tried moving everything around to fit the CD ROM in but the cable wouldn't fit. The case isn’t a Tower case so everything is really close and the IDE cable was really small. The PS is just under the IDE hook up slots. The CD ROM has a drive cage and the HD fits on the right side of the computer.
Last edited by Northernwinds; 11-13-2002 at 10:25 AM. |
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11-13-2002, 11:57 AM
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#9 |
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Forum Administrator
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Premium Member
Join Date: May 2000
Location: Joplin MO
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If you go to a "mom and pop" computer store I would bet they have a whole box full of used 40 wire cables. An 80 wire *will* work, and you *can* use master/slave jumpering with one, but most I've seen have one pinhole blanked out (as do some 40 wires I've seen), and controller cards in 486's generally have a full complement of pins.
What's the brand and model of the hard drive? Some older ones have little tiny jumpers hidden on the circuit board instead of a nice jumper block on the end plate. |
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11-14-2002, 09:48 AM
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#10 |
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Member (8 bit)
Join Date: Oct 2002
Posts: 171
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Im not really sure what brand the harddrive is but im guessing it would be on master. If i do have problems installing the CD ROM ill have a look at the back of the harddrive. Would that be the only problem using a 80 wire IDE cable a pinhole blanked out? If there wasnt any 40 wire IDE cables and I had to go with a 80 wire cable. It should only have 100/66 ATA on it right? or does it matter if I got a 133 ATA cable? I know 133 ATA cables are made of something else so I was just wondering if that would work or not?
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11-15-2002, 04:03 PM
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#11 |
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Forum Administrator
Staff
Premium Member
Join Date: May 2000
Location: Joplin MO
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80 wire cables are all ATA66/100/133 and are backwards compatible to ATA33 and PIO drives. It's still easy to find 40 wire cables.
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11-18-2002, 09:59 AM
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#12 |
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Member (13 bit)
Join Date: Sep 1999
Posts: 4,956
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The general rule for ide ribbons is 18" so the closer to this length the better,36" is overkill!
In a standard case the 18" standard ide ribbon should be long enough,some cases had custom ribbons that were shorter,best bet is to measure with a tape measure and go from there. |
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11-18-2002, 02:30 PM
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#13 |
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Member (6 bit)
Join Date: Nov 2002
Posts: 49
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make ur cdrom slave!! performance is much better
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