Harddrive interface compatability?

[dgatorfan]

Is there any compatability problems associated with the different hard drive interfaces? ATA vs ATA/100 vs ATA/100? I am about to purchase alarger hard drive and my computer is only compatible with IDE hard drives (No SATA) and I want to make sure I buy one that is compatible?

 

[Rik]

ATA hard drives are backwards compatible, meaning an ata 133 will work fine at 33, 66, and 100 as well as its 133 maximum.

 

[monton]

To get the full throughput of 66, 100, or 133 you will need an 80 pin cable although they will work with a 40 pin.
Monton

 

[raybay]

Just put all your hard drives on an 80 conductor, 40 connector cable, and set your jumpers appropriately.