greetings everyone
so i got a problem i bought a emmc replacement board and one 256gb emmc chip with soldering balls already attached (part nr. KLMEG8UCTA-B041)
because i am a big dummy i soldered the emmc chip to the board with a temp of about 360°c right after i was done i noticed the temp on the hot air station. i dont know why i didnt noticed the temps i guess i was just excited that the parts finally arrived in the mail. the chip and the board still looked good so i let them cool down and put them in my switch. i immediately went to hekate to check the emmc info but it only shows the "failed to init emmc" message. after that i was a bit anxious that i killed the chip or the board so i redid my work but this time with a lower temperature (around 250°C), checked all the pads under the microscope, nothing wrong there, cleaned everything with ipa, renewed the solder on the pads and tried again still nothing in hekate.
so to my question is there a way to determine if the chip is really dead? im pretty sure the chip was in the right spot but if not (you never know i cant see under the chip ) could the chip be shorted or is there some kind of current protection or something? the emmc port on the switch still works fine with my og emmc so i guess i screwed up at the hot air station. i really want to confirm that atleast the chip is dead, like point of no return dead, before i order a new one these things aint cheap and take their time to arrive in the mail :'D
thank you for reading this mess , not my native language
if needed i can add some photos ^^
so i got a problem i bought a emmc replacement board and one 256gb emmc chip with soldering balls already attached (part nr. KLMEG8UCTA-B041)
because i am a big dummy i soldered the emmc chip to the board with a temp of about 360°c right after i was done i noticed the temp on the hot air station. i dont know why i didnt noticed the temps i guess i was just excited that the parts finally arrived in the mail. the chip and the board still looked good so i let them cool down and put them in my switch. i immediately went to hekate to check the emmc info but it only shows the "failed to init emmc" message. after that i was a bit anxious that i killed the chip or the board so i redid my work but this time with a lower temperature (around 250°C), checked all the pads under the microscope, nothing wrong there, cleaned everything with ipa, renewed the solder on the pads and tried again still nothing in hekate.
so to my question is there a way to determine if the chip is really dead? im pretty sure the chip was in the right spot but if not (you never know i cant see under the chip ) could the chip be shorted or is there some kind of current protection or something? the emmc port on the switch still works fine with my og emmc so i guess i screwed up at the hot air station. i really want to confirm that atleast the chip is dead, like point of no return dead, before i order a new one these things aint cheap and take their time to arrive in the mail :'D
thank you for reading this mess , not my native language
if needed i can add some photos ^^