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How do I up the DMA mode?

Stern

Senior member
I've got an IBM Deskstar 60 GB, running at UDMA 5
I thought this an ok speed until a friend brought over his harrdrive, which is exactly the same model, i plugged it in as primary slave, and it runs at UDMA 6. how can i get mine to 6 aswell?
 
Your motherboard's IDE controller probably tops out at UDMA 5 while your friend's supports UDMA 6. You'll need a PCI IDE controller card that supports up to UDMA 6 if you want your hard drive to run at that spec.
 
UDMA 5 is ATA-100, UDMA 6 is ATA-133. I thought that WD and IBM never built drives that supported ATA-133?

I'm guessing that whatever is displaying UDMA 6 support on your computer is in fact in error. Regardless, there is basically zero real-world performance difference between the two. Ignore it.
 
ATA 133 = specification maxtor whipped out of their ass
ATA 100 = industry standard created by the organization that actually maintains and regulates the ATA specification
 
Originally posted by: Mday
ATA 133 = specification maxtor whipped out of their ass

Well, sort of. I think that Quantum patented it, and most of the rest of the industry refused to pay the licensing fees necessary to implement it. Maxtor bought Quantum, so now they have it.
Regardless, there is no real-world difference between ATA-100 and ATA-133.
 
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