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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Hardware Hacking > IDE on SCSI chain?

IDE on SCSI chain?
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Senior User
Join Date: May 2000
Location: Lafayette, IN, USA
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Oct 18, 2000, 08:42 AM
 
I think I’m trying to do the impossible here, but at least I'm trying!

I bought a new 30GB HD (ATA/66) for my Rev.A beige G3. It's working beautifully (as it should), but now I've got an extra 6GB IDE drive laying around.

So here's the hack: I've got an old, old 60MB hard drive that was designed to sit underneath the original all-in-one-type Macs. (In other words, external SCSI.) I'm trying to get the stock 6GB IDE into the SCSI case.

Problem 1: SCSI chain, IDE device. 'Nuff said.
Problem 2: the cable that formerly hooked into the back of the gi-mungous 60-megger is too big for the IDE drive.

Any suggestions, or am I attempting the completely impossible?
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Senior User
Join Date: Aug 2000
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Oct 19, 2000, 03:15 PM
 
Impossible!!

Like you said, the connecters are different, SCSI is 80 pins and IDE is 40 (I Think I got that right). Also the IDE drives does not have any way to configure a SCSI ID.

If you have an extra PCI slot, you can buy the new line of IDE interface cards and be able to add up to 4 more drives. Cost is about 100 bucks, and as cheap as ATA drives are, well worth it.

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- Eric
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Oct 19, 2000, 06:21 PM
 
Gee, for some reason I don't think that his Mac Classic HAS any open PCI slots...


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Oct 20, 2000, 03:57 AM
 
Well if they did...

Imagine one of those babies with a huge Voodoo5 in it!

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Oct 20, 2000, 10:28 AM
 
Scsi comes in a few varieties, actually. 80, 68, and 50 pin for different modes/speeds (scsi-3, uw scsi, that sort of thing). Trying to remember from cracking the external hd case we had with our performa, but I think the ext. case had a scsi mount on it that the drive had to plug in to. Actually I'm sure it had two scsi mounts, because one had to provide termination for the drive. Maybe if you found an ide ext drive mount...? Yeah, that'd be way too much trouble. Yeah, just donate the drive to your favorite local charity. That would be the druber foundation, email me for an address to ship to.
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Oct 20, 2000, 11:39 PM
 
Originally posted by The Dude:
Well if they did...

Imagine one of those babies with a huge Voodoo5 in it!
Yeah..you can play your games at 512x384 in 1bit color wthout any lag!

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Nov 7, 2000, 11:55 PM
 
It's not impossible, but it's also not worth it. Check out a thread I did about 3 months ago: http://www.macfixit.com/ultimate/For...ML/009689.html

Also go to http://www.xlr8yourmac.com for mor info on companies that make the cases.
     
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Nov 17, 2000, 05:17 PM
 
And i have one of those Sonnet ATA cards in my computer, and they suck. You get to use IDE drives, and they go plenty fast! But MP3's and video skip like crazy, even though the drive gets pver 20MB/sec and my old scsi drives got 5MB/sec or less. I uset to open adobe illustrator and an mp3 would skip jsut one a tiny but, now they skip like crazy even if all I do is just bring anotehr program to the front. Of coarse because of the speed increase illustrator does open about 4 X slower, but i can't even watch a porno, uhm, i mean a scientific quicktime movie with outthe soundtrack skipping and the video pretty much freezing! "I <3 SCSI"
     
   
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