Hello,
I just bought used FS12TY C2100
I have a memory problem
I installed 12 modules DDR3 PC12800R Dual rank.
Only 6 are recognized and in the event log I have this.

		2019-02-19 17:59:25		MRC Event: Memory sensor, MRC Warning(0B): DIMM was disabled due to MemTest errors. Node 1, Channel E, DIMM 2.	
		2019-02-19 17:59:25		MRC Event: Memory sensor, MRC Warning(0B): DIMM was disabled due to MemTest errors. Node 1, Channel E, DIMM 1.	
		2019-02-19 17:59:25		MRC Event: Memory sensor, MRC Warning(0B): DIMM was disabled due to MemTest errors. Node 1, Channel E, DIMM 0.	
		2019-02-19 17:59:25		MRC Event: Memory sensor, MRC Warning(07.04): Incompatible DDR3 DIMM module. Node 1, Channel E, DIMM 1.	
		2019-02-19 17:59:24		MRC Event: Memory sensor, MRC Warning(0B): DIMM was disabled due to MemTest errors. Node 0, Channel B, DIMM 2.	
		2019-02-19 17:59:24		MRC Event: Memory sensor, MRC Warning(0B): DIMM was disabled due to MemTest errors. Node 0, Channel B, DIMM 1.	
		2019-02-19 17:59:24		MRC Event: Memory sensor, MRC Warning(0B): DIMM was disabled due to MemTest errors. Node 0, Channel B, DIMM 0.	
		2019-02-19 17:59:24		MRC Event: Memory sensor, MRC Warning(07.04): Incompatible DDR3 DIMM module. Node 0, Channel B, DIMM 1.

yet these are the same 12 modules

does anybody could help me ?

thanks