diff --git a/build/pdp10-kl/kl.run b/build/pdp10-kl/kl.run
new file mode 100644
index 00000000..3972aae5
--- /dev/null
+++ b/build/pdp10-kl/kl.run
@@ -0,0 +1,25 @@
+set console wru=034
+set cpu its
+set cpu idle
+set cpu 2048k
+#set dpa dis
+#set dpb dis
+set rpb dis
+set tua dis
+#set fha dis
+#set dpb dis
+set lpt dis
+#set cr dis
+set dc disable
+#set dtc dis
+#set dk dis
+set pd ena
+set pd on
+#set mta mpx=7
+set mta type=b
+set rpa rp04
+at rpa0 out/pdp10-kl/rp04.0
+at rpa1 out/pdp10-kl/rp04.1
+at rpa2 out/pdp10-kl/rp04.2
+load -i ./bin/kl10/boot/kl.ddt
+go
diff --git a/build/pdp10-kl/run b/build/pdp10-kl/run
index 37991497..c2587bfc 100644
--- a/build/pdp10-kl/run
+++ b/build/pdp10-kl/run
@@ -1,26 +1,25 @@
 set console wru=034
 set cpu its
 set cpu idle
-set cpu 2048k
-#set dpa dis
-#set dpb dis
+set cpu 512k
+set dpa dis
+set dpb dis
 set rpb dis
 set tua dis
-#set fha dis
-#set dpb dis
+set fha dis
+set dpb dis
 set lpt dis
-#set cr dis
+set cr dis
 set dc disable
-#set dtc dis
+set dtc dis
 #set dk dis
 set pd ena
 set pd on
-#set mta mpx=7
+set mta mpx=7
 set mta type=b
 set rpa rp04
 at rpa0 out/pdp10-kl/rp04.0
 at rpa1 out/pdp10-kl/rp04.1
 at rpa2 out/pdp10-kl/rp04.2
-#load -i ./bin/kl10/boot/@.ddt
-load -i ./bin/kl10/boot/kl.ddt
+load -i ./bin/kl10/boot/@.ddt
 go
diff --git a/build/pdp10-kl/start b/build/pdp10-kl/start
index 742f5a0c..249e797d 100755
--- a/build/pdp10-kl/start
+++ b/build/pdp10-kl/start
@@ -22,10 +22,17 @@ gt40() {
     started GT40 "$!"
 }
 
+ka10() {
+    tools/sims/BIN/pdp10-ka build/pdp10-kl/run
+}
+
+kl10() {
+    tools/sims/BIN/pdp10-kl build/pdp10-kl/kl.run
+}
+
 while test -n "$1"; do
     "$1"
     shift
 done
 
-tools/sims/BIN/pdp10-kl build/pdp10-kl/run
 exit 0