WD Raptor: Jumper settings?

adhoc

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Sep 4, 2002
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Does anyone know what those jumpers are for? There is a diagram on the sticker of the drive that has a jumper over pins 3 and 4 and a phrase that says: "PM2 Enabled". The drive came with the jumperover pins 1 and 2.

I can't find any information on what these pins are for, and what that phrase means!
 

thorin

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Oct 9, 1999
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Well the jumpers should be completely irrelevant (and left how they were shipped) since SATA treats every drive as a master. However when all else fails RTFM or call 1-800-WST-DGTL (er whatever)

Thorin
 

adhoc

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Sep 4, 2002
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thorin,

Regarding the jumpers, that is what I thought as well. I think I'm just paranoid. I may just have to call them and ask; the drives did not come with a manual, nor can I find it on WD's website... argh.
 

thorin

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Oct 9, 1999
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Originally posted by: adhoc
Regarding the jumpers, that is what I thought as well. I think I'm just paranoid. I may just have to call them and ask; the drives did not come with a manual, nor can I find it on WD's website... argh.
It is kind of curious that they have jumpers on the drives. Perhaps 3/4 is a testing mode that they use in their QA lab and 1/2 is normal operation? Let us know what you find out.

Thorin
 

adhoc

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Sep 4, 2002
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Okay, I've called and found some information. Basically, it was as I had expected: The pins mostly mean next to nothing, and the 1/2 position the that jumper is in is the shipping default. If the jumper were to be placed over pins 3/4, that enables a special power management setting for the raptor drives. Pins 1/2, 5/6 and 7/8 are floating; they don't connect to anything.

I asked about the power management, and if it was recommended; the tech support person could not help me out further because she did not know. I may get an email later with more information, but I told her it is of no consequence so probably not. Hopefully this helps anyone who is going through the same head-scratching!