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I'm nearing this conclusion. The one thing that gives me hope is that the PCH doesn't get hot while it's plugged in to the ATX. Even if I force the ATX on, it doesn't get hot. Does this happen? The PCH dies without a short circuit through it?
If I touch the PCH I do think I can feel some warmth, but it's difficult to tell for sure....
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Diagnosing South Bridge (FH82H370) on Asus H370-Pro Gaming Motherboard
Hi,
I'm learning about motherboard repair and I believe I've traced the issue down for the South Bridge on the particular motherboard I'm working on. My path of concluding that:
- There's no sign of any attempt to power on when pushing the power button.
- No PSON signal is reaching the 24-pin ATX connector.
- The Super IO chip is receiving the PS_SWITCH signal from the power button and is relaying this signal back to the South Bridge.
- The Super IO is not receiving the S_SLPS#_R signal back from the South Bridge
- If I pull the Super IO S_SLPS#_R pin...
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Asus TUF H370-Gaming Motherboard: Doesn't Power On
Details contained in these two reddit posts: [url]https://www.reddit.com/r/ElectronicsRepair/comments/1bzpuey/asus_tuf_h370pro_gaming_motherboard_repair/[/url] and [url]https://www.reddit.com/r/ElectronicsRepair/comments/1c1a3nl/need_help_finding_a_datasheet_for_super_io_chip[/url]
I've been attempting a repair of an Asus TUF H370 Gaming Motherboard. It fails to react to the power button being pressed, there's a debug light which confirms that there's standby power to the board but after any attempt to power on the components there's no sign of life. I've started my diagnosis and...
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