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Subject: Re: Dead-ish JBR 20
Date: 2004-09-14


Can you give me a little more detail as to what is and is not
happening when the drive fails to spin up? What error message do you
get (if you are running a flashed unit, what is the ATA error code)?

The reason I ask is that my flashed JBR v.1 with original HD fails to
boot, although the drive tests fine on my laptop. When I power on the
JBR, I can hear the drive begin to operate, but I get an ATA error -41
and can go no further. I get the exact same error when I pulled my
laptop's original HD and tried it in the JBR.

I too have checked all the common solder points, replaced batteries,
etc. but have yet to find the source of the problem. Your situation
has me thinking that if I can find another drive that has lower power
up requirements, perhaps I can resurrect my dearly departed JBR.

It seems that power/amperage issues are becoming more and more
widespread as more JBR's are getting older and older...

- Jim


On Sun, 12 Sep 2004 15:37:17 -0800, you wrote:

> I've got a very odd situation with my V1 JBR.
>I had upgraded it a year or two ago with a toshiba
>60G hard drive, and had been very happy with it, until
>the JBR stopped being able to power it up.
>I removed the drive, and tested it in two different
>external USB enclosures, and sure enough - the drive works well.
>I put the original 20G drive back in, and it spins up just fine!
>It looks like the difference between the two drives is that
>the 20G is rated for .5A, and the 60G is rated at .7A.
>This extra 200mA seems to being causing the JBR to not supply
>the correct voltage to spin up the drive.
>I've checked for cold solder joints here and there, but haven't
>seen anything.
>I've cut the springs so they're not putting so much pressure on
>the PCB as well.
>Any other hints? I'm missing my music!


Page was last modified "Jan 10 2012" The Rockbox Crew