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Hardware monitor

M

Mareg

Member
Hi OH mighty techies,

I rebooted my comp. this afternoon and it didn't pass the bios tests. There was an error message about voltage in hardware monitor.

I logged in the bios and saw the faulty value being reported on the -5V. It was at -5.50V.

My questions are :

1 - What component could cause this value to be that far off the mark ? PSU, motherboard

2 - I could set my mobo to ignore that error report. Is it safe to run the comp under such conditions ? I mean by that, is a difference of .5V armfull ?

2.1 - Would the hard disk be at risk ?

Thanks all
 
Originally posted by: FlyingPenguin
That's extremely out of spec. -5 volt is generated by the PSU so that would be your likely culprit.
Click to expand...

Thx. I really tought that .5V was not that bad. Well, time for a new PSU. I'm a bit surprised tho, cause its a very good Ennermax. Guess I was unlucky. ;-)
 
You can test for sure with a 14.95 multimeter from radioshack.

Pick up a 5ohm 10 watt resistor too.

1. Unplug the Psu from everything, leave plugged into wall.
2. Use the resistor + the multimeter in parallel on any red to black (ground) or yellow to black connection.
2. Use a paperclip to jump the green mobo wire to any black wire, this will allow the psu to power up.

 
How old is the computer? -5 volt hasn't been used in years. Some new PSUs don't even provide -5 volt. Unless you have ISA slots on the mainboard, it should be safe to ignore.
 
Oh agree Green Man, -5 volt is no longer used BUT if it's that far out of spec, I'm not sure I trust that PSU. The way switching power supplies work, if one rail is that far out of spec anything else is possible. If it was in MY rig I'l toss it.

My recommendations are Antec True Power, Enermax or ThermalTake Silent PurePower PSUs.

If it doesn't have to look pretty, this Thermaltake is a quality PSU for a very reasonable price. It's what I buy for client replacements (I only use Antec True Power on my own rigs): http://www.newegg.com/Product/Product.asp?Item=N82E16817153006
 
First, software monitorning is not very reliable, so I agree with those that said to use a volt meter, and as green man said, the -5v line hasn't been used for quite some time, I would set it to ignore the -5v in bios, and no it won't put your hard drive at risk, since it doesn't use -5v.
 
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