diff --git a/build/ka10/include.tcl b/build/ka10/include.tcl
index 147ddb63..4cb1b520 100644
--- a/build/ka10/include.tcl
+++ b/build/ka10/include.tcl
@@ -143,7 +143,7 @@ proc bootable_tapes {} {
     global emulator_escape
     global out
 
-    respond "*" ":midas .;magdmp bin.ka_syseng;magdmp\r"
+    respond "*" ":midas .;magdmp bin.tf_syseng;magdmp\r"
     respond "PTRHRI=" "n\r"
     magdmp_switches
     expect ":KILL"
diff --git a/build/pdp10-ka/run b/build/pdp10-ka/run
index 1a3fdbc2..deb07eb7 100644
--- a/build/pdp10-ka/run
+++ b/build/pdp10-ka/run
@@ -19,22 +19,22 @@ set dpy enabled
 set dk disabled
 set stk enabled
 set tk enabled
-at tk 10000 speed=300
-# 10001 reserved for GE bagbiters, hah.
+at tk 10100 speed=300
+# 10101 reserved for GE bagbiters, hah.
 set dpk enabled
-at dpk 10002 speed=4800
+at dpk 10102 speed=4800
 set mty enabled
-at mty 10003 speed=50000
+at mty 10103 speed=50000
 set ten11 enabled
-at ten11 10011
+at ten11 10111
 set auxcpu enabled
-at auxcpu 10006
+at auxcpu 10106
 set imp enabled
-set imp mac=e2:6c:84:1d:34:a3
-set imp ip=192.168.2.101/24
+set imp mac=e2:6c:81:1d:34:a3
+set imp ip=192.168.2.110/24
 set imp gw=172.31.1.100
 set imp host=10.3.0.6
-at imp tap:tap0
+at imp tap:tap1
 at ptr bin/ka10/boot/dskdmp.rim
 at dpa0 out/pdp10-ka/rp03.2
 at dpa1 out/pdp10-ka/rp03.3
@@ -45,4 +45,4 @@ set mta type=b
 set dt mpx=6
 set imp mpx=4
 set dpa noheaders
-b ptr
+;b ptr
diff --git a/src/syseng/magfrm.19 b/src/syseng/magfrm.19
index e9cb24b1..a6d12cd5 100644
--- a/src/syseng/magfrm.19
+++ b/src/syseng/magfrm.19
@@ -60,6 +60,7 @@ DMMCHN::SIXBIT/DM/
 MCMCHN::SIXBIT/MC/
 KAMCHN::SIXBIT/KA/
 KLMCHN::SIXBIT/KL/
+KAMCHN::SIXBIT/TF/
 LMCHNTB:: OFFSET 0
 
 GO:	MOVE P,[-LPDL-1,,PDL-1]
@@ -640,7 +641,7 @@ MGDBIN:	6,,(SIXBIT /DSK/)
 	SIXBIT /MAGDMP/
 	SIXBIT /BIN/
 
-MDBFN2:	IRPS X,,[AI ML DM MC KA KL]
+MDBFN2:	IRPS X,,[AI ML DM MC KA KL TF]
 	 SIXBIT/BIN.!X/
 	TERMIN