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#1
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Ribbon Cable
I want to reconfigure my Master/Slave devices but the 40/80 ribbon cable
connections wont span from the 3.5" bays to the 5.5" bays as I need them to do what I want. Do they commonly make longer ribbon cables, longer between the master and slave connections? Is this something you can pick up anywhere, like CompUSA, etc? |
#2
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BP wrote in message ... I want to reconfigure my Master/Slave devices Why ? but the 40/80 ribbon cable connections wont span from the 3.5" bays to the 5.5" bays as I need them to do what I want. Yep, thats a pretty common problem. You really should rethink whether you actually need the config you want tho, you usually wouldnt be able to pick the different config in a proper double blind trial without being allowed to use a benchmark or diagnostic. Do they commonly make longer ribbon cables, longer between the master and slave connections? They do exist, but they arent all that common. Is this something you can pick up anywhere, like CompUSA, etc? Nope, not anywhere. |
#3
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jaeger wrote in message . .. Rod Speed wrote You really should rethink whether you actually need the config you want tho, you usually wouldnt be able to pick the different config in a proper double blind trial without being allowed to use a benchmark or diagnostic. Are you referring to, for example, transferring data from master to slave as opposed to master/master? Yep. |
#4
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I seem to always end up with this problem too,
whenever I build a tower. What I have done, is to buy a 24" cable, and carefully relocate the "slave" (gray) connector in the middle. These connectors are compression fit. One can gently pry the connector loose, and then re-attach it elsewhere along the ribbon cable. While the 24" length is more than what the ATA spec allows, I don't believe there is a spec on where exactly in the middle, the "slave" (gray) connector must be. In other words, it doesn't need to be at, say, the 80% point (which seems to be where most manufacturers put it). It could just as well be at the 50% point or the 20% point. Rod Speed wrote: Yep, thats a pretty common problem. |
#5
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"jaeger" wrote in message . .. In article , says... You really should rethink whether you actually need the config you want tho, you usually wouldnt be able to pick the different config in a proper double blind trial without being allowed to use a benchmark or diagnostic. Are you referring to, for example, transferring data from master to slave as opposed to master/master? Yes, he is, but he can't be. He's off topic. |
#6
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Previously BP wrote:
I want to reconfigure my Master/Slave devices but the 40/80 ribbon cable connections wont span from the 3.5" bays to the 5.5" bays as I need them to do what I want. Do they commonly make longer ribbon cables, longer between the master and slave connections? Is this something you can pick up anywhere, like CompUSA, etc? Getting an additional 5-10 centimeters is o.k. and you can buy these in many places. You can also get "rounded" cables up to 90 cm in length. But getting more length changes the cables parameters enough that you might get serious trouble. The same gose for moving one drive connector closer to the controller connector. There is also a minimal distance for that. I actually found 90 cm rounded cable unusable, but as single-drive cables, cut down to 60 cm, they work fine in my configuration. Regards, Arno -- For email address: lastname AT tik DOT ee DOT ethz DOT ch GnuPG: ID:1E25338F FP:0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F "The more corrupt the state, the more numerous the laws" - Tacitus |
#7
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"Arno Wagner" wrote in message ... Previously BP wrote: I want to reconfigure my Master/Slave devices but the 40/80 ribbon cable connections wont span from the 3.5" bays to the 5.5" bays as I need them to do what I want. Do they commonly make longer ribbon cables, longer between the master and slave connections? Is this something you can pick up anywhere, like CompUSA, etc? Getting an additional 5-10 centimeters is o.k. and you can buy these in many places. You can also get "rounded" cables up to 90 cm in length. But getting more length changes the cables parameters enough that you might get serious trouble. The same gose for moving one drive connector closer to the controller connector. There is also a minimal distance for that. I actually found 90 cm rounded cable unusable, but as single-drive cables, cut down to 60 cm, they work fine in my configuration. Which is within the 27 inches of the "ATA/ATAPI 80-Conductor Cable Length Extension" proposal. Regards, Arno |
#8
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It's fascinating that this hasn't been addressed by the industry. I can't be
the only anal-retentive trying to do this! I've got an old PII machine with 2 - 3.5" HDDs, one 1997 ATA33, one 2002 ATA133. In the 5.5" bays I've got a CD burner, and a zip drive. I can't burn at 8x due to buffer underruns, so I got to thinking that if I could configure the CD as the slave on the opposite channel as the faster HDD as master I might get that 8X to kick. (The old drive is the boot drive). I guess the only solution would be to get a mounting kit for the HDD so I could mount it in the 5.5" bay. Too much of a PIA to be worth playing with for an experiment. If no one else ever needed longer cables then one would have to assume that there is no observable benefit to device configuration? Thanks anyway, all. Saved me a worthless trip to the store! "Walt" wrote in message ... : I seem to always end up with this problem too, : whenever I build a tower. : : What I have done, is to buy a 24" cable, and : carefully relocate the "slave" (gray) connector : in the middle. These connectors are compression : fit. One can gently pry the connector loose, and : then re-attach it elsewhere along the ribbon cable. : : While the 24" length is more than what the ATA : spec allows, I don't believe there is a spec on : where exactly in the middle, the "slave" (gray) : connector must be. In other words, it doesn't need : to be at, say, the 80% point (which seems to be where : most manufacturers put it). It could just as well : be at the 50% point or the 20% point. : : Rod Speed wrote: : : Yep, thats a pretty common problem. : |
#9
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"BP" wrote in message ... It's fascinating that this hasn't been addressed by the industry. I can't be the only anal-retentive trying to do this! I've got an old PII machine with 2 - 3.5" HDDs, one 1997 ATA33, one 2002 ATA133. In the 5.5" bays I've got a CD burner, and a zip drive. I can't burn at 8x due to buffer underruns, so I got to thinking that if I could configure the CD as the slave on the opposite channel as the faster HDD as master I might get that 8X to kick. (The old drive is the boot drive). I guess the only solution would be to get a mounting kit for the HDD so I could mount it in the 5.5" bay. Too much of a PIA to be worth playing with for an experiment. If no one else ever needed longer cables then one would have to assume that there is no observable benefit to device configuration? Thanks anyway, all. Saved me a worthless trip to the store! There is a local commercial computer assembler near me that had no problem making me up a cable that would span from the CD/RW to the secondary hard drive. He had the loose connectors and the cable and cut to the length I needed, and then used the clamping device to attach the connectors. 5 minutes and $5 and I was out of there! Tom J |
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