Hardware problems or Software problems

Mark Weisman mark at mystic1.net
Sat Apr 3 00:22:55 PST 2004

  If I may offer you my two cents. Many newer systems come standard with
125W power supplies which will probably power the motherboard, that's
usually about all. By the time you add several PCI cards and several
hard drives, you've overloaded the power supply. Typically overlooked,
this one small gadget is responsible for providing enough power to light
  My advice here, if you are running more than one drive (CD included),
and have more than one peripheral device, I would start with a 350W
power supply and move up depending. Now I'm not saying this is your
problem, however, I will say that the symptoms for failing power
supplies can be almost anything that pushes over that last hump. A
simple Read/Write operation from the drive or memory could be all it
needs to shut itself down. Hope this helps.

Res Ipsa Loquitor,
Mark-Nathaniel Weisman
Site Master
Mystic_One Internet Gaming Server
Anchorage, Alaska

-----Original Message-----
From: Luke Kearney [mailto:lukek at meibin.net] 
Sent: Wednesday, March 24, 2004 6:19 AM
To: FreeBSD Questions
Subject: Hardware problems or Software problems 


I have a server which recently died on me. I believed that the problem
was likely the memory as the machine would reboot of its own accord
initially when accessing via samba or NFS. Then I noticed that it would
reboot when under no load. Given that the motherboard and CPU etc was
pushing three years old it seemed like a good opportunity to upgrade to
some newer kit I had. I installed a new ASUS P4800 motherboard with a
celeron 2.20ghz chip and brandnew 512mb memory. 

Now again whilst under no load at all it will freeze. The only original
parts are the HDD's. My difficulty is that nothing is left in the logs
or on std out. 

If it is the disks I will reluctantly replace but I cannot see why disks
would cause a reboot and leave nothing logged such as a time out or

Are there any specific commands I can issue during start up to increase
the verbosity of logging to try to capture the root cause for this ?

Any assistance is appreciated. 


Luke Kearney <lukek at meibin.net>

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