TranceAddict Forums Archive > Archives > Classic old threads / Inactive Forums > Retired Forums > Frequently Asked Questions / Tutorials / How do I? How do I check the interface speed of my computer? View this Thread in Original format StereoPrincess I'm buying a new harddrive and i have to match the interface speed between the new drive and the computer. How do I know what the interface speed is? sw1 Probably the IDE bus speed. The new IDE hard drives are all pretty much UltraATA133. They require the yellow 80-wire IDE cables for optimum performance. They will operate at UltraATA66 if you use the gray 80-wire IDE cables and at UltraDMA33 with the gray 40-wire IDE cables. Check your motherboard manual for something like UltraDMA 133/100/66/33, relating to the PCI IDE bus. If you've got a newish computer, it shouldn't really matter. The new IDE hard drives should all work...unless you already have a SCSI HDD or S-ATA HDD. CLICK TO RETURN TO TOP OF PAGE

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