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- ATA hard drive question
January 25, 2006, 11:47 pm
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IDE 1 and IDE 2 Supports PIO mode 3, 4 UDMA 33 /
ATA 66 / ATA100 IDE & ATAPI CD-ROM
IDE 3 and IDE 4 Compatible with Raid, Ultra ATA100,
Ultra ATA66, Ultra ATA33, EIDE
Will I notice an improvement installing my new WD 160 GB drive on IDE3 vs.
IDE1? Is there much of a difference between regular ATA and Ultra ATA?
Re: ATA hard drive question
There is no regular ATA vs Ultra ATA, they merely worded it
differently and both support UDMA, ATA33/66/100. IDE1 and 2
also support PIO mode and ATAPI, so an optical drive for
example would need be on 1 or 2.
The difference appears to be that the 3rd & 4th are provided
by a discrete controller sitting on the PCI bus. That makes
any devices connected to these 3rd or 4th, slower. Leave
the drive connected to 1 or 2 if the performance matters.
It may easily not matter if only store, rather than work
with common files such as video or music playback which have
playback requirements of a data rate still lower than the
performance would be.