You might be exactly right.
In my case, I installed the picofly, got the error (===) and then cut the 3.3v wire to disable the picofly and then tried to boot OFW with the dat 0 adapter still in place. I am not sure if my emmc was corrupted before this or not.
But I had the correct diode mode value (780) so I thought this means I did not have a short under the emmc.
I mean, if you do the mod, don't go to OFW until the mod is working.This is just another saying for dont do the mod.
If you want to go to the OFW while the mod is unsuccessfull, then the save one is to reverse everything you modded, then run the OFW.
Go to OFW, while the mod is unsuccessfull is risky. The OS might broke something because of the fault mod.
Yup, ill remember this just for caution, esspecially with oled and luckily i havent had any oled yet. Still not convince enough with that adapter instalation.
Lite is the most easy, its around the Dat0 pad.
Oled doesn't have it. The dat1 is directly goes to to the emmc and cpu in layer between. No exposed pad.
If you are trying to test the diode values of a connection that is shorting dat0 to dat1, the easiest way to do this would be on a v1 switch. I could probably test it on mine. I imagine the same values would carry over to any other switch iteration since its all the same emmc chips.
Not sure about the same values, but there are different brand of emmc chips.
https://gbatemp.net/threads/switch-emmc-faq.463369/
I realized that right after I posted.
looked at a donor board. Thank you.
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I’m getting this error. Lights are yellow. Normally I’m able to fix this with the SDA and SCL wires but it’s not working this time. This is on a switch lite.
Last edited by BlueBeans,
Check your MOSFETs.I realized that right after I posted.
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I’m getting this error. Lights are yellow. Normally I’m able to fix this with the SDA and SCL wires but it’s not working this time. This is on a switch lite.
@abal1000x I've read everything you said about dat0 adaptor, Someone once shared the pinout of the eMMC and claimed that shifting the dat0 adaptor as far left as possible is the safest bet. Since the point left to dat0 is empty. Do you agree?
One thing I always do is cutting the traces of the two circular pads next to the eMMC. It became a habit and I haven't got any black screen on OLED. My issue was blue screen and have figured it out.
Attachments
Yes i agree.
That is me, the one who suggesting to shifting to left (to right if in front view).
This already tested and works? how many times now?
The idea is to shift the short possibility to unused solder ball, or even better target the space between it to purposely shorted it. This also will make it more firm and secure in my opinion. So instead of shaping it like a crescent it will be like a spear.
Wonder if anyone has tried to make diy dat0 adapter yet?
Last edited by cgtchy0412,
What model RP oled? Just installed 4 of them yesterday and some more the day before and all working satis. What adaptor are you using and how are you attaching it?
Last edited by juanvlc,
Please check for faults at PIN15I realized that right after I posted.
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I’m getting this error. Lights are yellow. Normally I’m able to fix this with the SDA and SCL wires but it’s not working this time. This is on a switch lite.
POWER ON LED blue light (HI)~(LO) ---> yellow light. The connections of PIN29 28 27 26 are generally correct.
Last edited by POPOLO,
Its still experimentation. Only once.
And last saturday, the glitch stopped, open again, my hunch said its dat0 adapter.
But logically i test every point, all is okay except the dat0 adapter.
I check the dat0, diode value is zero.
Without desoldered the adapter, i push the adapter IN (not horizontal/left or right). And the diode value read 600 again. Theres 2 unused pad near the right bottom. I soldered it so that the flex get cornered by the tin. Close it, and its work.
Error: ==* CPU always reach BCT check (no glitch reaction, check mosfet)I realized that right after I posted.
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I’m getting this error. Lights are yellow. Normally I’m able to fix this with the SDA and SCL wires but it’s not working this time. This is on a switch lite.
Check mosfer wires.
This is the error which is mostly fixed by the SDA SCL wires ( =*= CPU never reach BCT check, should not happen)
Ops. Sorry. Thanks. Will make sure to always do that. What about cutting the traces of the two pads? Would you do it?
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