Mailinglist Archive: opensuse-es (1506 mails)

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Re: [opensuse-es] Cacharrines interesantes
  • From: "Camaleón" <noelamac@xxxxxxxxx>
  • Date: Sat, 12 Jul 2008 11:57:33 +0200
  • Message-id: <b23e69e70807120257u33ba1b63ja048be500992dea8@xxxxxxxxxxxxxx>
2008/7/12, Carlos E. R.:

El 2008-07-12 a las 09:33 +0200, Camaleón escribió:

Al gusto del consumidor :-P


Pos me sigue dando miedo.

A mi también...

¿Durarán así las veintemil horas?

Ahora les ponen un MTBF de 700.000 horas, pero tienen en cuenta unos
factores que no se dan en ningún lado:

***
2.12 Reliability

2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)

The product shall achieve an Annualized Failure Rate (AFR) of 0.34%
(MTBF of 0.7 million hours) when operated in an environment of ambient
air temperatures of 25°C. Operation at temperatures outside the
specifications in Section 2.9 may increase the product AFR (decrease
MTBF). AFR and MTBF are population statistics that are not relevant to
individual units.

AFR and MTBF specifications are based on the following assumptions for
desktop personal computer environments:

- 2400 power-on-hours per year.
- 10,000 average motor start/stop cycles per year.
- Operations at nominal voltages.
- Temperatures outside the specifications in Section 2.9 may reduce
the product reliability.
- Normal I/O duty cycle for desktop personal computers. Operation at
excessive I/O duty cycle may degrade product reliability.

The desktop personal computer environment of power-on-hours,
temperature, and I/O duty cycle affect the product AFR and MTBF. The
AFR and MTBF will be degraded if used in a enterprise application.
***

¿Temperatura ambiente de 25ºC y ciclos de trabajo de i/o "normales"?
Qué majos :-)

Saludos,

--
Camaleón
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