Ultra ATA-100 & ATA-133. Which do i need?

  OCS lover 13:44 02 Mar 05

I have a dell 2400 with a 40gb seagate ultra-ATA/100 hard drive and am currently looking at bigger hard drives like this one click here and this one click here which are ATA133. Can i still use this drive on my computer? Is ATA133 backwards compatible? How do i find this out?

Thanks in advance. I am off to work now so will check again about midnight.


  Jeffers22 13:51 02 Mar 05

Yes to the backwards compatability, and yes they will work fine - but unless your mobo IDE driver supports ATA133 it will run at the highest supported rate (probably ATA100)

More important are such things as the RPM (higher is better) and on board cache (bigger is better)

  FelixTCat 16:00 02 Mar 05

ATA-133 drives also require an 80-strand IDE cable to work at full speed.

  Jeffers22 17:14 02 Mar 05

So did ATA 100, so if he/she's already running ATA 100 then the correct cable is likely to be present is it not?

  FelixTCat 21:17 02 Mar 05

I try never to make assumptions.

  OCS lover 00:27 03 Mar 05

I think i will have to open my case and have a look at the cable.

Matter resolved. Thanks

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