Unfortunately, I can’t do it without that. But I don’t think it’s the BIOS. The previous owner said it suddenly stopped turning on.
Perhaps try swapping the sauthbridge again?
Did you flush under the southbridge with IPA? Sometimes flux under the southbridge can cause issues with turning on.
I cleaned everything and then applied flux with my finger.
Did you clean the flux under the southbridge after soldering the southbridge to the mainboard?
Sometimes flux under the southbridge can mess with the clock signal line, which is needed for the southbridge to work.
As a result from my side… APU Dead
I removed every possible Cap, RAM and Power IC from the Board, so only APU is connected to 1.8V_SOC_VDDA.
Still 30 Ohm or less, don’t know why, after inject voltage to that line, sometimes resistence is falling to ~10 Ohm.
I’m sorry. Seems to be a more often issue. I had the last weeks similar or same issues at three or four other cases. Would be interesting to know, what causes it.
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Im working on an edm 041 that beeps and shuts off, uart has the following
(OK 00000000 C00C0002 1B4D9E7A FFFF0023 10000100 2141 0036 FFFF 1B40:A2)
I’ve compared diode readings against those on post 32 on this thread, they are all the same besides pin 39 and 40 of my XDPE14286.
I’m also not getting the enable signal on pin 13 when power is pressed on the PS5.
Is there anything else I should check before replacing the southbridge?
What about pins 47 and 48, fault 2 and fault 1, what value should they be ?