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Voltage Spike? .3-.7 bad?
- Thread starter dustin
- Start date
This is the power supply http://www.newegg.com/app/ViewProdu...-182-002&depa=0
Type: ATX
Maximum Power: 500W
Hold-up Time: > 10ms at Full Load and nominal input voltage
Efficiency: 70% min. under max. range load
Over Voltage Protection: +3.3V +5V +12V
Input Voltage: 115V/230V AC
Input Frequency Range: 50-60 Hz
Input Current: 10A/5A
Output: +3.3V@28A, +5V@30A, +12V@34A, -5V@0.3A, -12V@0.8A, +5VSB@2A
MTBF: 100k hours at max. load, normal line and 25°C
Approvals: cUL, FCC, CSA, CB, TUV, CE, NEMCO
Features: User-Adjustable Fan Speed Controller, Sleeved Wires, 2x 80mm UV Blue LED Fans
Im checking it with the hardware monitor that comes with my motherboard and the monitor built into the BIOS.
Type: ATX
Maximum Power: 500W
Hold-up Time: > 10ms at Full Load and nominal input voltage
Efficiency: 70% min. under max. range load
Over Voltage Protection: +3.3V +5V +12V
Input Voltage: 115V/230V AC
Input Frequency Range: 50-60 Hz
Input Current: 10A/5A
Output: +3.3V@28A, +5V@30A, +12V@34A, -5V@0.3A, -12V@0.8A, +5VSB@2A
MTBF: 100k hours at max. load, normal line and 25°C
Approvals: cUL, FCC, CSA, CB, TUV, CE, NEMCO
Features: User-Adjustable Fan Speed Controller, Sleeved Wires, 2x 80mm UV Blue LED Fans
Im checking it with the hardware monitor that comes with my motherboard and the monitor built into the BIOS.
BillR
Born Again Cynic
- Joined
- Feb 17, 2002
- Messages
- 18,535
You won't really have any useful facts with out a multimeter. You need to get one to be sure.
Ice Czar
Inscrutable
- Joined
- Jul 8, 2001
- Messages
- 27,174
bad link
so now I know most everything about the supply but what make it is
Basic Spec compliance of 5% is
+12V....11.4V to 12.6V
+5V......4.75V to 5.25V
+3.3V...3.135V to 3.465V
fluctuation occurs, and is dependent on the changing load placed on the supply and the ability of the supply to adapt to that, what you cant really tell very accurately from the System Management Bus (SMBus) where the BIOS and other software pulls the values from is its calibration, is +3.3V really +3.3 or is it +3.4 ect
in your case if 3.5 = 3.2 your well within spec
but if the figures its giving you are accurate your have overshoots
Multimeters are pretty cheap, but on the lower end are fairly inaccurate themselves
as an investment, there are worse ways to spend your money, but like any investment you get what you pay for, so a $20 DMM (Digital Multimeter) might get you ±0.7%
whereas a top of the line DMM will set you back $300+ and give you ± 0.025% accuracy
more on baseline voltages and why youd want to avoid overshoots
http://hardforum.com/showthread.php?t=854186&
so now I know most everything about the supply but what make it is
Basic Spec compliance of 5% is
+12V....11.4V to 12.6V
+5V......4.75V to 5.25V
+3.3V...3.135V to 3.465V
fluctuation occurs, and is dependent on the changing load placed on the supply and the ability of the supply to adapt to that, what you cant really tell very accurately from the System Management Bus (SMBus) where the BIOS and other software pulls the values from is its calibration, is +3.3V really +3.3 or is it +3.4 ect
in your case if 3.5 = 3.2 your well within spec
but if the figures its giving you are accurate your have overshoots
Multimeters are pretty cheap, but on the lower end are fairly inaccurate themselves
as an investment, there are worse ways to spend your money, but like any investment you get what you pay for, so a $20 DMM (Digital Multimeter) might get you ±0.7%
whereas a top of the line DMM will set you back $300+ and give you ± 0.025% accuracy
more on baseline voltages and why youd want to avoid overshoots
http://hardforum.com/showthread.php?t=854186&
Ice Czar
Inscrutable
- Joined
- Jul 8, 2001
- Messages
- 27,174
not much is known about the Rosewills
other than the are rebrands
do you see any serial numbers?
specifically any UL numbers? (Underwriters Labratories)
other than the are rebrands
do you see any serial numbers?
specifically any UL numbers? (Underwriters Labratories)