i should know this.. but Tags: DVD Drives Western Digital Motherboards Storage Last response: July 9, 2004 3:51 AM in Storage Share lowstandards July 8, 2004 9:31:56 PM i'm buying a hd for my sister and her motherboard is EIDE 66. the drive i am looking at is a WD IDE ULTRA ATA100. Will this work? thanks. More about : question jclw July 9, 2004 3:51:41 AM Yes, they are backwards compatible. *Dual PIII-800 @900 i440BX and Tualeron 1.2 @1.7 i815* Can't find your answer ? Ask ! Publish Related resources: ForumI Don't run games as good as I should ( As Far as I know ) ForumHow should i know if my PCs power supply is not working? ForumHp in new case anything i should know ? ForumHow do i know when i should replace components? ForumLow FPS on games which I know should have better FPS ForumHow do I know if I should incorporate liquid cooling? ForumI wanna know what kind of video card should i get? ForumBuying "used" PC games on Ebay or Craigslist - what should I know ? ForumHow do I know whether or not I should get liquid or a bigger fan? ForumI just don't know when to upgrade, when should I upgrade? ForumWhat is 'Agenda 21'? If you don't know , you should ForumNew build with a HAF X- Anything I should know ? ForumI dont know what graphics card i should get ForumFirst SSD advice? ForumOne DVD writer you should NEVER buy ForumWhich SATA Hard Drive should i buy? ForumTwo 4GB HDDs making a RAID... is this a good idea? ForumToo many hard drives, need to know how to proceed ForumHas anybody else had this problem? ForumWhat sort of speeds should a USB2 drive give? More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !