diff --git a/src/id/inspect0.a b/src/id/inspect0.a
index 0a586d7..efcb74a 100755
--- a/src/id/inspect0.a
+++ b/src/id/inspect0.a
@@ -19,6 +19,7 @@ IDBootloader
          sta   gIsProDOS
          sta   gIsPascal
          sta   gIsProtDOS
+         sta   gIsDavidDOS
          sta   gIsEA
          sta   gIsEEEF
          sta   gIsMECCFastloader
@@ -179,6 +180,16 @@ IDBootloader
          sta   gIsPascal
          beq   .useuniv   ; always branches
 ;
+; David-DOS II
+;
++        jsr   IDDavid
+         bcs   +
+         lda   #s_daviddos
+         jsr   PrintByID
+         lda   #TRUE
+         sta   gIsDavidDOS
+         beq   .useuniv   ; always branches
+;
 ; Encrypted Datasoft bootloader
 ;
 +        jsr   IDDatasoft
@@ -194,13 +205,6 @@ IDBootloader
          lda   #s_micrograms
          jsr   PrintByID
 ;
-; David-DOS II
-;
-+        jsr   IDDavid
-         bcs   +
-         lda   #s_daviddos
-         jsr   PrintByID
-;
 ; Quick-DOS
 ;
 +        jsr   IDQuickDOS
diff --git a/src/passport.a b/src/passport.a
index 4178a20..1075fbc 100755
--- a/src/passport.a
+++ b/src/passport.a
@@ -813,6 +813,10 @@ gIsProtDOS
          !byte FALSE      ; 0=true, 1=false
                           ; reset before each operation
                           ; set in IDBootloader() after reading T00,S00
+gIsDavidDOS
+         !byte FALSE      ; 0=true, 1=false
+                          ; reset before each operation
+                          ; set in IDBootloader() after reading T00,S00
 gIsEA
          !byte FALSE      ; 0=true, 1=false
                           ; reset before each operation
diff --git a/src/patchers/rwts.a b/src/patchers/rwts.a
index 1e7639b..8f2fe18 100755
--- a/src/patchers/rwts.a
+++ b/src/patchers/rwts.a
@@ -679,4 +679,28 @@
          jsr   PrintByID
          inc   gPatchCount
 .bcs08
+
+;-------------------------------
+; RWTS "CMP / BNE 0" identification
+; disk allows any value for
+; for the first address epilogue nibble
+; (no patches required, but we want to
+; log it)
+;-------------------------------
+         lda   gIsDavidDOS
+         bne   +
+         lda   #$05
+         sta   gDisplayBytes
+         ldx   #$8B
+         ldy   #$09
+         jsr   compare    ; and T00,S05,$8B ==
+         !byte $BD,$8C,$C0
+         !byte $10,$FB
+         !byte $C9,WILDCARD
+         !byte $D0,$00
+         bcs   +
+         lda   #s_cmpbne0
+         jsr   PrintByID
+         inc   gPatchCount
++
 }
diff --git a/src/strings/en.a b/src/strings/en.a
index f8fdd73..55a8aab 100755
--- a/src/strings/en.a
+++ b/src/strings/en.a
@@ -100,8 +100,9 @@ s_jmpb412 =    $51
 s_laureate =   $52
 s_bbf9   =     $53
 s_micrograms = $54
-s_writeram =   $55
-STRINGCOUNT =  $56
+s_cmpbne0 =    $55
+s_writeram =   $56
+STRINGCOUNT =  $57
 
 !zone {
 StringTable
@@ -190,6 +191,7 @@ StringTable
          !word .laureate
          !word .bbf9
          !word .micrograms
+         !word .cmpbne0
          !word .writeram
 ;
 ; Text can contain substitution strings, which
@@ -216,7 +218,7 @@ StringTable
 ; can be set directly before calling PrintByID.
 ;
 .header
-         !text "Passport by 4am               2017-06-20",00
+         !text "Passport by 4am               2017-07-02",00
 .mainmenu
          !text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
          !text "              "
@@ -476,6 +478,9 @@ StringTable
          !text "T%t,S%0 Found BBF9 protection check",$8D,00
 .micrograms
          !text "T00,S00 Found Micrograms bootloader",$8D,00
+.cmpbne0
+         !text "T%t,S%0 RWTS accepts any value for the",$8D
+         !text "first address epilogue nibble.",$8D,00
 .writeram
          !text "Writing to RAM disk",$8D,00
 }