Hey
On this mobo with no power to USB or PS2 Port.
what would you suggest?
Thank
fabbrone
On this mobo with no power to USB or PS2 Port.
what would you suggest?
Thank
fabbrone
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Re: Asus prime B365-Plus No PS2 or USB
Check any Bios setting for swithed off ports, check 5V regulator supplying the USB/PS2 (usually an analogue one) and if the supply voltage for it is presesent (probably 12V). Check for short after the 5V regulator. Check any recovering fuses or any 0 ohms serial resistors in the 5V power lane for discontinuity if present. Check any switching mosfets between the regulator and USB. Check ESD surge protectors on USB data lines for shorts (very small 6 pin dual in-line devices near the USB Ports), they go short on a surge to protect the chipset and must be replaced (they are usually devices like IP4220CZ6, case type: SO6 (SOT457)).Last edited by DynaxSC; 01-25-2022, 06:52 AM.
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For lower chipset families (on ASUS boards) it worked to program the oldest bios version into the SPI rom, and the bios had activated the Management Engine itself by default - there was a message on the screen prior booting - "BIOS is updating Management Engine ..... . Do not shut down to prevent... -
Hello, I need a little help
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need ASUS Prime Z490-P boardview diagram
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Hello Everyone and Good Day,
I've got an issue with this desktop motherboard. It does not power on, Asus Prime H310M-A R2.0. I tested 33ohms reading on 3v line on the ATX connector. It beeps on continuity mode. I tried injecting voltage from 0.9v at 1.5amps and no current being drawn. I raised the voltage to 3v @ 4amps and now I only get 22mA on current. I checked with thermal camera and there is no part heating up. I'm afraid of going further the safe voltage. What could possibly causing the line to be shorted. 5vsb has no short. I get 0.9v on positive pin of power switch. There's... -
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Thank you very much....
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