[DM-MUG] external enclosure wierd

[Ray Bowler]

On Sep 15, 2009, at Sep 15, 20092:14 PM, Matthew Nuzum wrote:

> On Tue, Sep 15, 2009 at 1:57 PM, Ray Bowler <rbowler at mchsi.com> wrote:
>> I have a problem with an external enclosure. The enclosure (A)
>> contained a WD drive (A) which failed so I pulled it but have not
>> replaced it yet. I also have a LaCie external HD(B) with a WD drive
>> (B).  Yesterday A pin broke on the power adapter for B. I pulled the
>> drive B and put it into the enclosure A. When I turn the enclosure A
>> on with drive B in it the enclosure power light is red. If I put  
>> drive
>> A back in and connect it the enclosure light on A is green. When I  
>> put
>> drive B in enclosure A and connect the power plug but not the drive
>> cable the light is green until I plug the drive cable in and then it
>> turns red. I have a nasty feeling that drive B is dead.
>>
>
> I'm going to assume that red light = bad. Two suggestions:
>
> (assuming this is an IDE drive inside the chassis) make sure the
> ribbon cable is connected properly. The red stripe should be on pin 1
> which is almost always the side closest to the power cable. Make sure
> all the pins are straight and the cable is making a good connection on
> both sides.

Thanks.  The way the cable connector is build there is only one way  
for it to go and there is one way for the drive to be put in so  
backward is not the problem. Both drive A and B are identical WD drives.
>
> Drive B may use more power than chassis A can provide and is therefore
> causing a problem.

Both drives use 5 v. and the connectors on the drive are labeled 5 v.


> Do you have a computer that you can install the
> drive in to test?
>
> If neither of these help then post details about what size drives
> you're using (2.5 inch laptop sized or 3.5 inch desktop sized) and
> what interface (IDE or SATA). Taking a picture of the drive's label
> and posting it to imageshack and sending the link may also be helpful.
> (assuming the lable is legible) The most interesting part of the label
> would be the power requirements (voltage and amps).
>
> -- 
> Matthew Nuzum
> newz2000 on freenode, skype, linkedin, identi.ca and twitter
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Ray Bowler

rbowler.home.mchsi.com