Using the test program from https://github.com/PaulStoffregen/teensy41_psram_memtest/blob/master/teensy41_psram_memtest.ino
Running the program on a bare T4.1 (no other connections, and it's new out of the box), I just see
EXTMEM Memory Test, 0 Mbyte
The RAM chip I have is an ISSI
IS62WVS5128FBLL-20NLI-TR (https://www.mouser.be/ProductDetail/870-62WS5128FBLL2NIT)
Any ideas? I am confident about the soldering, and I've repeated the test with a 2nd memory chip. Maybe the chip is not compatible? In that case, which chips *are* compatible (especially in the 8mb size)? At least here in Europe, I haven't had any luck finding the ones mentioned on the official page https://www.pjrc.com/store/psram.html
thanks!
Running the program on a bare T4.1 (no other connections, and it's new out of the box), I just see
EXTMEM Memory Test, 0 Mbyte
The RAM chip I have is an ISSI
IS62WVS5128FBLL-20NLI-TR (https://www.mouser.be/ProductDetail/870-62WS5128FBLL2NIT)
Any ideas? I am confident about the soldering, and I've repeated the test with a 2nd memory chip. Maybe the chip is not compatible? In that case, which chips *are* compatible (especially in the 8mb size)? At least here in Europe, I haven't had any luck finding the ones mentioned on the official page https://www.pjrc.com/store/psram.html
thanks!
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