Updated

motorApp/DeltaTauSrc/README

@@ -9,17 +9,19 @@ Configuring PMAC
 - Set the "VMEbus Address Modifier" (I90):
 	- $39 for A24 addressing (default).
 	- $9 for A32 addressing.
+
 - Enable both "supervisory" and "non-privileged" VMEbus data access by setting
 	the "VMEbus Address Modifier Don't Care Bits" (I91) to $4 (default).
-- For A32 addressing only, set the "VME Base Address Bits A31-A24" (I92) to the
-	most significant hex nibble; e.g. for $A123 0000 set I92 to $A1.  The
-	default value ($FF) is N/A.
-- Leave the "VME Mailbox Address Bits A23-A16" (I93) at the default value
-	($7F) so it does not conflict with the DPRAM.
-- Leave the "VME Mailbox Address Bits A15-A08" (I94) at the default value
-	($A0) so it does not conflict with the DPRAM.
-- Set 
 
+- For A32 addressing only, set the "VME Base Address Bits A31-A24" (I92) to the
+	two most significant hex nibbles; e.g. for $A123 0000 set I92 to $A1.
+	The default value ($FF) is N/A.
+
+- Set the "VME Mailbox Address Bits A23-A16" (I93) so it does not conflict with
+	the DPRAM (default value - $7F).
+	
+- Set the "VME Mailbox Address Bits A15-A08" (I94) so it does not conflict with
+	the DPRAM (default value - $A0).
 
 - Set the "VME DPRAM Base Address Bits A23-A20" (I97); for example,
 	- for A32 addressing, at base address $A123 0000 set I97 to $23.
@@ -28,11 +30,21 @@ Configuring PMAC
 
 - Set the "VME DPRAM Enable" (I98) to $E0 to enable DPRAM access; the default
 	value is $60.
+	
 - Set the "VME Address Width Control" (I99) to:
 	- $90 for A24 addressing.
 	- $80 for A32 addressing.
 	The default value is $30.
 
-
 - Enable DPRAM ASCII communication; set I58 to 1.
 
+- Download "Suggested M-variable definitions".  In particular, this device driver
+	uses;
+	- M0161->D:$088
+	- M0162->D:$08B
+	- M0261->D:$108
+	- M0262->D:$10B
+	...	...
+	- M3261->D:$1008
+	- M3262->D:$100B
+