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Date:      Wed, 18 Nov 2009 14:52:57 +0800
From:      TJ Varghese <>
To:        =?UTF-8?B?RMOhbmllbGlzeiBMw6FzemzDsw==?= <>
Subject:   Re: hdd voltage
Message-ID:  <>
In-Reply-To: <>
References:  <>

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2009/11/18 D=C3=A1nielisz L=C3=A1szl=C3=B3 <>:
> Hello,
> My computer get starts to reboot all the time I do a higher hdd use (like=
: fsck, copying more GB of data). I was sure that my power supply its not e=
nough so I changed it (300W->450W), now it does the same. I'm looking for a=
 tool to measure the exactly power consumiton (voltage and amper) of my hdd=
, cpu and ram on FreeBSD.
> Do you have any idea?
> Thank you!
> L=C3=A1szl=C3=B3

You don't mention details on mobo/ram, but if you have >4gb ram on
amd64, you might want to try reducing ram to <=3D4gb. I had one mobo
(Intel DG965RYCK) that was exhibited odd behaviour with more than 4gb
ram installed. Simple file copies (on ZFS), buildworlds etc caused
various panics or outright hangs (!). Usually this would be a clear
indication of faulty RAM, but it passed all memtests. Changed
everything (ram, psu, hdd, cables, RMA'd the mobo), no difference.
Turned out to be a BIOS bug, some linux list had discussions on the
same bug.

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