diff --git a/motorApp/PiSrc/README b/motorApp/PiSrc/README
index 2e4605bb..1ae3aa8a 100644
--- a/motorApp/PiSrc/README
+++ b/motorApp/PiSrc/README
@@ -15,4 +15,19 @@ from, top to bottom, and from left to right; i.e.,
 Then the "Default jumbering ..." depicted in Fig. 2 of the GreensSpring XM
 Octal I/O manual is jumpered as follows; 1-5, 2-6, 9-13, 10-14.
 
-The correct jumpering for the C-844 is; 1-2, 5-6, 13-16.
\ No newline at end of file
+The correct jumpering for the C-844 is; 1-2, 5-6, 13-16.
+
+M-111.12S stage to ACS driver adapter
+=====================================
+
+DB15  ELCO   Func.
+----  ----   -----
+ 1    A      ph1+
+ 9    E      ph1-
+ 2    C      ph2+
+10    H      ph2-
+ 6    V      +5V
+14    W      lim+
+ 7    T,U,R  Gnd
+ 8    X      lim-
+