Why would drive run at UDMA33? (Segate 80GB)

Mark Pearce mark at netchat.co.za
Sun Dec 7 21:50:13 PST 2003


> Hi,
>
> I have just purchased a new 80GB drive, howerver i noticed it is running
> significantly slower than my current 80gb drive.
>
> Dmesg says this:
>   ad0: 76319MB <ST380021A> [155061/16/63] at ata0-master UDMA100
>   ad2: 76319MB <ST380011A> [155061/16/63] at ata1-master UDMA33
>

Hi

Do you by any chance have a cdrom or dvd drive connected on your secondry
IDE?  If so, this would explain the drop in speed.  Try connecting the 2
80G drives as master and slave on the same IDE.

Mark


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