diff --git a/make/ChangeLog b/make/ChangeLog
index 41129b2c8f..defbe642f1 100644
--- a/make/ChangeLog
+++ b/make/ChangeLog
@@ -1,4 +1,9 @@
 
+2000-11-30	Joel Sherrill <joel@OARcorp.com>
+
+	* custom/jmr3904.cfg: Use -m3900 not -mips3. TX3904 is actually
+	a mips1.  gcc translates -m3900 into that.
+
 2000-11-27	Joel Sherrill <joel@OARcorp.com>
 
 	* custom/jmr3904.cfg: Fix incorrect reference to i960.
diff --git a/make/custom/jmr3904.cfg b/make/custom/jmr3904.cfg
index afbcdb8675..5a6bb977d9 100644
--- a/make/custom/jmr3904.cfg
+++ b/make/custom/jmr3904.cfg
@@ -15,11 +15,11 @@ RTEMS_BSP_FAMILY=jmr3904
 #  This contains the compiler options necessary to select the CPU model
 #  and (hopefully) optimize for it. 
 #
-CPU_CFLAGS=-mips3 -g -G0
+CPU_CFLAGS=-m3900 -g -G0
 
 # optimize flag: typically -0, could use -O4 or -fast
 # -O4 is ok for RTEMS
-CFLAGS_OPTIMIZE_V=-O1 -g
+CFLAGS_OPTIMIZE_V=-O0 -g
 
 #  This section makes the target dependent options file.