ATA100 and ATA133 cables

[gaviota]

Hello everyone,

I'm considering replacing the stock IDE cables on my PC with round ones, but the round cables are listed as ATA100 cables and my motherboard and HDs are ATA133.

I know that ATA133 is backwards compatible, but I wouldn't want to lose the performance advantage of ATA133, even if it is a small difference.

Is there a real difference in specifications of ATA100 and ATA133 cables? Can the cable become a bottleneck in this case?

Thanks for your help.

 

[lhgpoobaa]

hehe
there are no ata133 cables.
there are only two types for IDE drives.
40wire cables for ata33 and the newer 80wire cables for ata66 + ata100 + ata133.
just use a 80wire ribbon cable.
and yes ata133 is backwards compatible, and you wont loose any performance cauz the difference is so marginally negligible its not funny.


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[Arrow]

As mentioned, ATA100 and ATA133 cables are the same. However, one additional thing to note is that ATA100/133 cables will also work with ATA33.

Rob
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[papasmurf]

the cables are the same 100\133 no diff

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[Owl]

ATA/133 not to go over 18" long
ATA/100 not to go over 24" long some say 20" INTEL,DELL,IBM
ATA/66 not to go over 28" long
YES there is a difernce, HOW LONG THE CABLE IS...........
ATA 133. The ATA standards used by IDE devices have also been marching through the adjectives (e.g. fast and ultra) and the numbers (e.g. 2, 33, 66, 100 and 133). The most recent addition is ATA 133 which supports burst rates of 133 MB/sec and up to 2 devices per bus. [PCs typically have 2 and often 4 ATA buses.] ATA 66, 100 and 133 need a special cable. ATA cables are relatively short precluding IDE devices being external to the computer. Cable lengths have previously been limited to 18 inches although 1 metre long cables have now appeared. Coincidently 133 MB/sec in also the maximum throughput of the normal PCI bus found in most PCs. The are higher speed (and wider) versions of PCI but they are relatively rare.
The new interface uses the same 80-conductor, 40-pin cable currently deployed forATA/100
Serial ATA will use the same protocol as parallelATA, but with a different hardware interconnect. This hardware uses lower voltages anda smaller cable. Chipset manufacturers want reduced voltages to enable them to reducetheir chip die-size, which lowers their costs. It was originally slated for introduction at theend of 2001.For the desktop PC market, the massive installed base of parallel ATA devices and thelack of backward compatibility of serial ATA have combined to force a designcompromise for PCs and other devices. The compromise will result in both serial ATA and parallel ATA ports being available on systems for some time. This compromise will result in a long transition from parallel ATA to serial ATA technology, which the industry predicts, will take until at least 2005. In the short term, serial ATA will be a significantly more expensive interface solution than parallel ATA.PCs and storage devices will broadly adopt Ultra ATA/133 in early 2002.
ATA/133 burst data transfer rates to a maximum 133 MBps by reducing its signal voltage to 3.3V from 5V, and by reducing the associated timing requirements
About 70-80MBps if your lucky
Just use the shortest cables..


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