A
almaz
uh oh, you are right - I asumed everybody knows that 
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T
Timothy Daniels
VWWall said:See my reply to Alceryes. The only way increased error rate might be
incurred, is leaving a "stub" of a cable unconnected with only one drive
at the middle connector. This could pick up EMF which might interfere
with data transfer.
You meant "EMI" - electromagnetic interference. But that's
the reason for the ground wire alongside each data wire -
to prevent such pickup.
The ATA specs make the ribbon cable asymmetric for a
reason. I suspect that it's to make signal reflections (if they
occur) arrive at non-disruptive times. That is why an open
end connector is bad - it produces reflections due to the
infinite impedance there, and the reflected signals arrive
back at one or both of the other connectors at inopportune
times.
The main advantage of SATA is to get rid of all this nonsense! ;-)
The cables are much smaller than even round cables!
Right, but those cables are *stiff*. I wish they'd designed
'em to have more flexibility.
*TimDaniels*.
T
Timothy Daniels
Alceryes said:Something you may find interesting...
http://web.archive.org/web/20041014205252/http://www.vicstech.com/en/rd3xp/NoiseTest/
Some of those links are broken, and I don't read Kanji.
Could you summarize the results? How did the 80-wire
shielded round cables stack up against 80-wire ribbon
cables?
*TimDaniels*
C
Curious
The cable has a blue and a black end, Which side goes on to the motherboard?
This page says 80-wire cable is not compatible with 40-wire CS cable.
Anybody know why that is and how do you then replace the 40-wire CS
with what 80-wire cable?
http://www.pcguide.com/ref/hdd/if/ide/confCable80-c.html