Re: How I fixed a dead net6501 (Red Light Of Death)

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On 2018-02-15 10:11:31 +0100, Paride Legovini wrote:
> Yesterday night I began to replace them, starting from the usual
> suspects: the two 35V 150uF electrolytics between the inductors, near
> the power connector. After replacing them I tested the board and, guess
> what, now it never fails to boot. Fixed!

Nice!

> The capacitance of the two caps I removed is about 155uF, so well within
> the specs. They probably dried out and the ESR rose.

Sounds plausible.

> This is the exact model I bought:
>=20
> http://deb.li/DXm1
>=20
> Note the very long working life (7000 hours, quite long for this type of
> component).

Is 7000 hours really quite long? A device like the Soekris is supposed
to run 24x7 - and at 24 hours a day 7000 hours are less than 10 months.
I would expect a working life of at least 5 years or 45000 hours for any
component used in a computer.

        hp

--=20
   _  | Peter J. Holzer           | I think we need two definitions:
|_|_) | WSR - Softwaredevelopment | 1) The problem the *users* want us to s=
olve
| |   | und Projektunterst=FCtzung  | 2) The problem our solution addresses.
__/   | [email protected]             |    -- Phillip Hallam-Baker on spam

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