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psu bad?
- Thread starter gx3n0
- Start date
BillR
Born Again Cynic
- Joined
- Feb 17, 2002
- Messages
- 18,535
The only real way to tell is remove the PSU from the computer and grab a volt meter. Turn on the PSU and take your readings.
That would be where I would start anyway.
Lick
That would be where I would start anyway.
Lick
Well my problem was fixed yesterday, which involved a shared IRQ with the video and sound causing lock ups. Well in the hunt to find out what the problem was I posted some speed fan graphs taken while playing CS and i was told they looked to be a little low.. would just like your advise on this since this is the power supply section.
I've already ordered a OCZ PSU but would still like to know if it was needed.
System: A8V Deluxe, 3500+, Corsair XMS, X800XT PE, Audigy2ZS, Two SATA HD's.
I've already ordered a OCZ PSU but would still like to know if it was needed.
System: A8V Deluxe, 3500+, Corsair XMS, X800XT PE, Audigy2ZS, Two SATA HD's.
Ice Czar
Inscrutable
- Joined
- Jul 8, 2001
- Messages
- 27,174
the baseline reference voltage is a little low
but software isnt good for a definative value
so until you calibrate to it, its true value is unknown
(youd use a multimeter)
observing fluctuation however is what software is best at and if we accept the baseline as reasonably accurate, the fluctuation is easily within spec
Basic 5% range is
+12V....11.4V to 12.6V
+5V......4.75V to 5.25V
+3.3V...3.135V to 3.465V
It would be nice to see the supply with both a higher baseline reference voltage (+12V)
and tighter regulation (less fluctuation)
supplies with adjustable pots, such as the Powerstreams, allow you to raise the baseline, but unless the load regulation is stable, its possible to exceed the upper value of the spec range
something you dont want to do even on an irregular basis
the stability of the AC source power has alot to do with the ability of a PSU to maintain DC load regulation, and altering that is a good test (say reducing the VAC to 90 from 115) that of course takes a Variac
a supply able to deal with a variable AC source better, and maintain a tighter transient response \ load regulation, can have a higher reference voltage and still not exceed the top end of the spec, which is what overclocker tend to look for, but blowing out the top end of the spec wears out or fries components, see the ESD and Electromigration Rant
but take care with the LEDs on the powerstreams, and instead use a mukltimeter
(and advise a UPS)
review http://www.silentpcreview.com/article173-page4.html
http://www.dansdata.com/top686p6.htm
(same basic supply)
vcore voltage is the responsibility of the mobo's VRM (Voltage Regulation Modual)
and you what to feed them voltage within the spec range above
how well a given mobos VRM is able to perform is a critical factior in its overclocking ability
indirectly a measure of its normal operating quality, as if its able to maintain a higher overclock all else being equal (which isnt likely the case
) the stability becomes the measure which allows a higher stable OC
but software isnt good for a definative value
so until you calibrate to it, its true value is unknown
(youd use a multimeter)
observing fluctuation however is what software is best at and if we accept the baseline as reasonably accurate, the fluctuation is easily within spec
Basic 5% range is
+12V....11.4V to 12.6V
+5V......4.75V to 5.25V
+3.3V...3.135V to 3.465V
It would be nice to see the supply with both a higher baseline reference voltage (+12V)
and tighter regulation (less fluctuation)
supplies with adjustable pots, such as the Powerstreams, allow you to raise the baseline, but unless the load regulation is stable, its possible to exceed the upper value of the spec range
something you dont want to do even on an irregular basis
the stability of the AC source power has alot to do with the ability of a PSU to maintain DC load regulation, and altering that is a good test (say reducing the VAC to 90 from 115) that of course takes a Variac
a supply able to deal with a variable AC source better, and maintain a tighter transient response \ load regulation, can have a higher reference voltage and still not exceed the top end of the spec, which is what overclocker tend to look for, but blowing out the top end of the spec wears out or fries components, see the ESD and Electromigration Rant
but take care with the LEDs on the powerstreams, and instead use a mukltimeter
(and advise a UPS)
review http://www.silentpcreview.com/article173-page4.html
http://www.dansdata.com/top686p6.htm
(same basic supply)
vcore voltage is the responsibility of the mobo's VRM (Voltage Regulation Modual)
and you what to feed them voltage within the spec range above
how well a given mobos VRM is able to perform is a critical factior in its overclocking ability
indirectly a measure of its normal operating quality, as if its able to maintain a higher overclock all else being equal (which isnt likely the case
) the stability becomes the measure which allows a higher stable OCRGR... Well last night I ordered an OZC Powerstream just to complete my upgrade. My old PSU listed above was purchased two years ago to power my P4 2.4. It was a 400W gold CompUSA labeled PSU.
Now adding the OCZ to my arsenal is sure going to add a few more questions once I get it on the subject of the adjustable rails. Is this going to be an open the box, plug it in and fire it up or will I actually have to read something about the adjustments?
Now adding the OCZ to my arsenal is sure going to add a few more questions once I get it on the subject of the adjustable rails. Is this going to be an open the box, plug it in and fire it up or will I actually have to read something about the adjustments?
_Korruption_
Supreme [H]ardness
- Joined
- Aug 22, 2002
- Messages
- 4,572
It'll work right out of the box. Though if you want to make some adjustments, get a multimeter and base your adjustments off that.