What hardware you are using?Maybe you are doing something wrong? I have dumped soldered EMMC nand chips with 3.3v logic levels before.
Package | FBGA-153 |
Voltage | 3.3 V |
Here you can reed why 3,3V not working whit a soldered emmc.
http://solderwiresandplastic.com/20...the-amazon-firetv-to-achieve-root-privileges/
by the way are two differents Picozero rp2040, different set of pins on the external holes.I Just receive:
View attachment 347257
View attachment 347258
Well, I think I will make a old PC joystick DB15 to USB adapter!
Female Inspectors of Body?Prior to today, I didn't know that a FIB was a focused ion beam.
After today I still don't know what a FIB is but I feel like I want one!
But I could corner the market on repairing everyone’s burnt fuses when the Switch goes EOL and somebody announces they can do cold boot hax on FW 13.2.1. I’d make all my money back in 90 days.FIB sound like a 1M$+ device
or found some point like on one of the xboxes where you can defeat the security drilling a hole.But I could corner the market on repairing everyone’s burnt fuses when the Switch goes EOL and somebody announces they can do cold boot hax on FW 13.2.1. I’d make all my money back in 90 days.
ok i am now unsure and will ask a few more people who are more familiar with itI can't tell what you are doing wrong based on the hardware alone. Even if you apply the correct voltage level it is possible to fail establishing a connection with the EMMC interface. There are other factors too.
You can try the following to see if your EMMC will support 3v3 logic levels. Simply use a lab power supply in the circuit with 3v3 and 1v8. That will give you the answer.
Some emmcs support it and some don't. I haven't ever had the case where I fried the chip by applying 3v3 to a 1.8v chip.
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https://www.absunshine.com/en/parts/H26M74002HMR-SK-HYNIX-5061071
Here is another data sheet for the Hynix EMMC nand chip inside the oled switch. It clearly says
Package FBGA-153
Voltage 3.3 V
It is a BGA package type, or "soldered chip", as you like to call it. I will forgive you for the semantics as English is not your first language, but if official data sheets don't convince you nothing else will.
Do you understand how you claiming that all "soldered" nand chips are using 1v8 logic levels is simply untrue?
The same way every other glitch chip works on the Switch. It lets the Switch hardware handle powering the eMMC and the chip just sniffs the data bus / sends data on the bus (it only writes during first time setup when it detects the custom BCT / bootloader isn't installed). The chip doesn't need to power the eMMC because it's powered by the official hardware already.The picofly needs to communicate whit the emmc right?
He can't communicate whit it while no 1v8 on rp2040. How did the creator from this chip this? we don't know and is this the problem that we don't see it ?
Doesn't matter
You need picotool to dump the firmware: https://github.com/raspberrypi/picotoolHi.
RP2040 good work on 3.3v
And perfectly work via emmc & MicroSD card.
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Im find firmware for rp2040, but dont know fow to dump it(
I have rp2040 with firmware and need dump it
can you please post a picture/scan of the board from both sidesHi.
RP2040 good work on 3.3v
And perfectly work via emmc & MicroSD card.
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Im find firmware for rp2040, but dont know fow to dump it(
I have rp2040 with firmware and need dump it
Did you put the pico in bootsel mode?picotools does not see the device