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Date:      Tue, 26 Jul 2005 14:19:28 +0100 (BST)
From:      "Chris Howells" <howells@kde.org>
To:        freebsd-stable@freebsd.org
Subject:   Re: em(4) stops passing data
Message-ID:  <1904.192.168.1.190.1122383968.squirrel@webmail.devrandom.org.uk>
In-Reply-To: <20050726021340.5410A2073@towerrecords.minidns.net>
References:  <4309.192.168.1.190.1122341800.squirrel@webmail.devrandom.org.uk> <20050726021340.5410A2073@towerrecords.minidns.net>

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On Tue, July 26, 2005 3:13 am, UEMURA (fka. MAENAKA) Tetsuya said:
> I had had apparently same problem in April. For my time, em0 seemed dead,
> though no link down message was generated, and could go up again by
> `ifconfig em0 down; ifconfig em0 up'.
>
> My problem was caused by defected power supply which generated around
> 4.5V instead of 5V, and corrected completely by replacing of power
> supply.
>
> FYI, use physical mean when measuring voltage. Reported in BIOS or
> monitor software may vary from actual.

Thanks, I've tried measuring that using a multimeter. The 12v rail
measures at about 12.6v, but the 5v line is only 4.9v. Is this likely to
cause problems? The PSU is a brand new 450W Antec. The same PSU in a very
similar system measures similar results.

-- 
Cheers, Chris Howells -- howells@kde.org
Web: http://www.kde.org.uk, PGP ID: 0x33795A2C
KDE/Qt Developer: http://www.kde.org






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