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- motherboard on off switch
- switch atx
- power a pc using solar panel
- input and output levels for solar panels
- desktop pc power consumption
- solar panel vendor
- solar panels for desktops
- add an on off switch atx
- solar cell vendors
- motherboard power led connector positive
- motherboard power led voltage
- energy output of solar panels
- setting a on and off switch to a atx power supply
- solar panel power output
- solar panel dc output
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When the solar-powered PC is idling, the special M2-ATX power supply achieves a stunning efficiency level of 92.37%. If we load up the CPU or the graphics subsystem, efficiency sinks to 88.4%. Internal power consumption in the PSU itself varies from 5 W at idle up to 14.2 W under load.
These measurements bolstered our decision to go with a 16-Volt DC solution. Using conventional A/C power, the best PSUs achieve efficiency values of 87% under optimal conditions. This approach not only does away with energy losses inherent in two-stage transformation of output, it also does better at dealing with DC input than the best conventional PSUs do with A/C input. This PSU is built in the USA, and costs $80-90 - well-known mini-ITX vendor Logic Supply and automobile PC vendor SolarPC are good sources for this part in North America.
PSU connectors
Back side of the PSU circuit board
Power Supply Connectors and Components
- Power LED
- To motherboard on/off switch
- To external power on/off switch
- ATX connector (20-pin)
- P4-12V power connector
- User jumper settings
- Positive voltage input (battery)
- Ignition (switched battery, positive)
- Negative voltage input (battery)
- Amplifier control via remote on/off
- Configuration for on/off timer settings
In cases where the power supply has to work at peak output for any length of time, the manufacturer recommends installing a cooling fan. We chose the Papst 512 F/2 using a 5 V adapter, which caused the fan to draw only 160 mW.
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i bought this M2-ATX PSU (actually to of them). but i was unable to start it.
1. first quick question: is it possible to start (for testing purposes) the PSU without connecting it to the computer? is it enough to short circuit J8 only to start?
2. docummentation is unclear about 10 (J6). it looks like J6 is purely for controlling stereo amplifier. but other place of the manual says "if J6 is cnnected to the motherboard". where to motherboard?
3. how should PSU be connected?
for testing i have taken 12V 7Ah lead acid battery fully charged.
connected battery "-" to J4.
battery "+" to J1.
J3: tried to leave not connected and tried to connect battery "+".
disconnected power switch cable from motherboard and connected it to J9.
connected J8 with motheboard (using little cable included in the package) where power switch was originally connected.
left J6 not connected.
J10 not connected (P0 mode). also tried P1 mode.
connected ATX and P4 (J2).
pressed power on my pc but nothing happened and no voltage on MOLEX cable.
could authors of the article (or maybe other owner of the PSU) describe how did they start the PSU?