I'll try that when I get home,
The m5burner from the m5stack download page. also has a check psram option and that showed this, maybe handy for people in the feature that want to check if it is working.

'''
rst:0xc (SW_CPU_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0018,len:4
load:0x3fff001c,len:4636
load:0x40078000,len:0
load:0x40078000,len:13040
entry 0x40078530
E (679) cpu_start: Failed to init external RAM!
abort() was called at PC 0x4008197a on core 0

Backtrace: 0x40094437:0x3ffe3c70 0x4009458f:0x3ffe3c90 0x4008197a:0x3ffe3cb0 0x400792f9:0x3ffe3cd0 0x40078591:0x3ffe3d10 0x40007c31:0x3ffe3eb0 0x4000073d:0x3ffe3f20

Rebooting...
'''

Seems like I got the same problem, is it really that the psram is broken?