[rescue] Disappearing SCSI hard disks

[Andrew Weiss]

Those are termination resistors... pull them out carefully so you don't 
break them.

Andrew

They are valuable parts.

On Monday, February 11, 2002, at 09:41 PM, James Williams wrote:

>> the internal drive should be unterminated IIRC. (the termination
>> is on the
>> motherboard, the drive is on a stub.)  And the external drive should be
>> terminated as well, with a cable length of 6 feet or less.
>
> The HD's termination looks like it was done at the factory. It's 
> soldered
> and insulated way too well to be a homebrew job (at least your average
> homebrew job). I took a couple pictures of the jumpers, if you want to 
> see
> (sorry for the quality, my camera sucks)
>
> http://www.jrwill.com/jumper1.jpg
> http://www.jrwill.com/jumper2.jpg
>
> The jumpers are the long black insulation-covered strips in the center 
> of
> both pictures, 10 pins apiece. The strange part is that the same
> unterminated CDROM drive worked perfectly fine on another box (the one 
> those
> pictures are hosted on, in fact).
>
> -James R. Williams (jrwill at jrwill.com)
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