I tried to change the battery of the CMOS but nothing. Thanks for the help! Taking resistor technology beyond RoHS. CT measuring circuit with PIC 3. Zenith TV displays green static and at time goes full green.

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ASUSTeK COMPUTER P4P800-X, Socket 478, Intel Motherboard

Asus P4PX with green light but don’t boot or you can find any similar motherboard in your local scrap dealer or old mother board vendor.

I removed all of other things from PCI connectors but always no beep from the motherboard, the green led on the motherboard is on and the fans of the power supply and of the processor are working when i press the power button. Thank you, very good site to learn something about the motherboard and its bios. I changed the power supply with an other that works on other motherboard but nothing.

Alll motnerboard are interested in is to see that there is clock to the cmos ic which you can check by locating the xtal crystal which may be rectangle shape with markings on it, you do not need schematic for that, also the logic probes are much cheaper and safer to use as they have their own power-supply internal battery but that will only show you activity ic clock and you will not be able to see the voltage level or cleanliness of the waveform.


D I tried your advice but the problem still here. Asus P4PX with green light but don’t boot I have p4p board but there are other numbers besides x I don’t know which one you have but mine is dead but cmos is good it boots up and problem is with sounds and usb power.

I come from Italy and i hope i will stay well in this forum! Ultrasonic transducer driver 1. This board is atlest 10 years old.

What do you thing that don’t work on the motherboard that have to repair? What do you think about this?

ASUSTeK COMPUTER P4PX, Socket , Intel Motherboard | eBay

Thanks for the help! Asus P4PX with green light but don’t boot remove the cmos battery reset the coms by using jumper settings. How do you get an MCU design to market quickly? How do i check whether an I2C device works? Results 1 to 20 of Distorted Sine output from Transformer 6. Dec 242: I have done this morning same photos to the motherboard: The motherboard do the same things: Heat sinks, Part 2: I see a program called Visual Analyzer that can use the sound card of the PC to be an oscilloscope.

Asus P4PX with green light but don’t boot Yes you can use pc as an oscilloscope but make sure it is safe, normal oscilloscopes are almost always isolated from electricity using an isolation transformer other wise as soon as you probe there could be direct short and can cause a lot of damage to your pc and the device under test. Where i can find schematic for this motherboard?


Originally Posted by RBenson Taking resistor technology beyond RoHS. Asus P4PX with green light but don’t boot Hello padeep,do you have schematics of nvidia gtm? Originally Posted by burt Thank you in advance for the attention: However, can i test some circuit on the motherboard that may cause the problem on the motherboard? D Ok, let’s go with my problem.

I still think you should concentrate around the bios chip and see if it has clock, reset is working fine and see some data activity on address and data lines that should tell you something is happening, so get an oscilloscope or logic probes and do some basic trouble shooting.

CT measuring circuit with PIC 3. Can you give me more details about this procedure? Dynamic IR drop analysis 7.