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3300 IDE cable - is there anything special about it 1

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cknipe

MIS
Jul 28, 2005
597
US
So while plugging the hard drive into the processor card the IDE head fell off. I went and pulled a regular IDE cable out of an older computer and i had trouble plugging it in b/c one of the pin holes was filled in. I ended up finding a cable that didnt have the hole filled in but started getting disk cache errors. I found another IDE from a non mitel phone system and pulled it out of there and it seems to be working fine, but im wondering is this a special IDE cable, if so can anyone identify the difference?
 
don't think so

There may be no i in team but there are three f's in fudge off.
 
ok I think I found my answer and have posted it below.

I onpened up a brand new mxe and found an IDE with a blue end on it. I looked on google to see if there is anything special about this and this is what I found.

From another post below....
No offense intended to chookman, but from my previous experience with IDE cables, it actually can matter.

For the older 40-conductor IDE cables, it didn't matter at all. But typically, those IDE cables have all black connectors, and required that you manually set each IDE device to master or slave. These cables did not support "Cable Select" mode.

For the 80-conductor IDE cables that are meant to support UDMA33 and above speeds, the connectors are typically blue, black, and gray. The blue connector is intended to go to the motherboard, the gray to the device intended to be the slave, and the black to the device intended to be the master. These cables support the "Cable Select" mode.

If your devices are set to Cable Select you must use the connectors as stated above. Cable Select will not work unless the blue connector is plugged into the motherboard.

Technically, if you use the black connector on the motherboard and the devices on blue and gray, it will theoretically work but you must individually and manually set each device to Master and Slave, you cannot use Cable Select.

The reason behind this is that to do cable select, the cable blocks one signal from the motherboard from traveling to the black connector. If you look closely at the ribbon cable, there is a notch in one wire in between the gray and black connectors. The wire that is interrupted is the cable select wire. If you plug the black connector into the motherboard instead of the blue, the cable select wire is blocked before BOTH connectors that are connecting to the devices, and both devices will try to become Master if they are set to Cable Select.
 
Thanks for sharing, very interesting.

Deserves a star.

*******************************************************
Occam's Razor - All things being equal, the simplest solution is the right one.
 
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