On Thu, Jun 9, 2016 at 10:49 AM, Rod Smallwood
 <rodsmallwood52 at btinternet.com>  wrote:
  Hi
       I'm renovating  a TK50 . Its on my 11/83 and if use the PDP-11 format
 disk the Identify function finds and lists it.
 There should be a TK50 exerciser among the  xxdp functions somewhere anybody
 know which one? 
 BOOTING UP XXDP-XM EXTENDED MONITOR
 XXDP-XM EXTENDED MONITOR - XXDP V2.5
 REVISION: F0
 BOOTED FROM DL0
 124KW OF MEMORY
 NON-UNIBUS SYSTEM
 RESTART ADDRESS: 152000
 TYPE "H" FOR HELP !
 .R ZTKA??
 ZTKAE0.BIN
 DRSXM-C0
 CZTKA-E-0
 CZTKAE0 TKxx FUNCTIONAL
 UNIT IS TK70/TK50
 RESTART ADDRESS 142060
 DR>STA
 Change HW (L)  ? Y
 # UNITS (D)  ? 1
 unit 0
 TKIP ADDRESS (O)  174500 ?
 TK VECTOR (O)  260 ?
 T/MSCP UNIT NUMBER (O)  0 ?
 TESTING UNIT 0
 --------------------------------------------------
 BOOTING UP XXDP-XM EXTENDED MONITOR
 XXDP-XM EXTENDED MONITOR - XXDP V2.5
 REVISION: F0
 BOOTED FROM DL0
 124KW OF MEMORY
 NON-UNIBUS SYSTEM
 RESTART ADDRESS: 152000
 TYPE "H" FOR HELP !
 .R ZTKB??
 ZTKBD0.BIC
 DRSXM-C0
 CZTKB-D-0
 CZTKBD0 TKxx DATA RELIABILITY
 UNIT IS TK50,TK70
 RESTART ADDRESS 142060
 DR>STA
 Change HW (L)  ? Y
 # UNITS (D)  ? 1
 unit 0
 TKIP ADDRESS (O)  174500 ?
 TMSCP UNIT NUMBER (O)  0 ?
 Change SW (L)  ? N
 *** A MINIMUM OF TWO PASSES ARE  REQUIRED TO VERIFY ERROR RATES ***
   ARE THE DRIVES LOADED WITH CARTRIDGES  (L) Y ? 
Thanks Glen
           Now all I have to do is locate it in my pile of 5.25 RT11
MAINT disks
Regards
Rod