What is UIDE?

  sdf 01:38 05 Oct 2004
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im looking for a second HDD and I keep finding the term ultra IDE with which I am not familiar. what is the difference between this and a normal IDE HDD. (as opposed to a SATA one which again im totally clueless on other then its faster!). If I got a UIDE drive would it work with my normal IDE drive? thanx in advance for filling me in

  Djohn 01:44 05 Oct 2004

ATA: Known also as IDE, supports one or two hard drives, a 16-bit interface and PIO modes 0, 1 and 2.


ATA-2: Supports faster PIO modes (3 and 4) and multiword DMA modes (1 and 2). Also supports logical block addressing (LBA) and block transfers. ATA-2 is marketed as Fast ATA and Enhanced IDE (EIDE).


ATA-3: Minor revision to ATA-2.
Ultra-ATA: Also called Ultra-DMA, ATA-33, and DMA-33, supports multiword DMA mode 3 running at 33 MBps.


ATA/66: A version of ATA proposed by Quantum Corporation, and supported by Intel, that doubles ATA's throughput to 66 MBps.
ATA/100: An updated version of ATA/66 that increases data transfer rates to 100 MBps.

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