diff --git a/DRAMSys/library/resources/configs/mcconfigs/fifo.json b/DRAMSys/library/resources/configs/mcconfigs/fifo.json
index 95cd1871..0da9e947 100644
--- a/DRAMSys/library/resources/configs/mcconfigs/fifo.json
+++ b/DRAMSys/library/resources/configs/mcconfigs/fifo.json
@@ -1,11 +1,11 @@
 {"mcconfig": {"PagePolicy": "Open", 
 "Scheduler": "Fifo", 
 "RequestBufferSize": "8", 
-"CmdMux": "Strict", 
+"CmdMux": "Oldest", 
 "RespQueue": "Fifo", 
 "RefreshPolicy": "Rankwise", 
 "RefreshMode": "1", 
 "RefreshMaxPostponed": "8", 
 "RefreshMaxPulledin": "8", 
 "PowerDownPolicy": "NoPowerDown", 
-"PowerDownTimeout": "100"}}
\ No newline at end of file
+"PowerDownTimeout": "100"}}
diff --git a/DRAMSys/library/resources/configs/mcconfigs/fifoStrict.json b/DRAMSys/library/resources/configs/mcconfigs/fifoStrict.json
new file mode 100644
index 00000000..95cd1871
--- /dev/null
+++ b/DRAMSys/library/resources/configs/mcconfigs/fifoStrict.json
@@ -0,0 +1,11 @@
+{"mcconfig": {"PagePolicy": "Open", 
+"Scheduler": "Fifo", 
+"RequestBufferSize": "8", 
+"CmdMux": "Strict", 
+"RespQueue": "Fifo", 
+"RefreshPolicy": "Rankwise", 
+"RefreshMode": "1", 
+"RefreshMaxPostponed": "8", 
+"RefreshMaxPulledin": "8", 
+"PowerDownPolicy": "NoPowerDown", 
+"PowerDownTimeout": "100"}}
\ No newline at end of file