From limited info it's the cache memory of the CPU. Both the dumps are the same and list the following error.
Same error fixed by replacing the CPU:
https://www.techspot.com/vb/all/windows/t-63392-Frequent-sudden-restarts.html
NOTE: This is a hardware error. This error was reported by the CPU
via Interrupt 18. This analysis will provide more information about
the specific error. Please contact the manufacturer for additional
information about this error and troubleshooting assistance.
This error is documented in the following publication:
- IA-32 Intel(r) Architecture Software Developer's Manual
Volume 3: System Programming Guide
MEMHIRERR - Memory Hierarchy Error {TT}CACHE{LL}_{RRRR}_ERR
These errors match the format 0000 0001 RRRR TTLL
Concatenated Error Code:
--------------------------
_VAL_OVER_MISCV_ADDRV_MEMHIRERR_89
This error code can be reported back to the manufacturer.
They may be able to provide additional information based upon
this error. All questions regarding STOP 0x9C should be
directed to the hardware manufacturer.
BUGCHECK_STR: 0x9C_IA32_GenuineIntel