diff --git a/ChangeLog b/ChangeLog
index 7405f1e7..add27b2b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-29  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+
+	* avrdude.conf.in: Remove "has_jtag" from Xmega A4 and D4
+	devices, as they only have PDI.
+
 2012-11-29  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
 
 	bug #37265: wrong page sizes for XMega64xx in avrdude.conf
diff --git a/avrdude.conf.in b/avrdude.conf.in
index 99664506..3ec9d0e0 100644
--- a/avrdude.conf.in
+++ b/avrdude.conf.in
@@ -12759,6 +12759,7 @@ part parent ".xmegasmall"
     id		= "x16a4";
     desc	= "ATxmega16A4";
     signature	= 0x1e 0x94 0x41;
+    has_jtag	= no;
 
     memory "eeprom"
         size		= 0x0400;
@@ -12809,6 +12810,7 @@ part parent ".xmegasmall"
     id		= "x32a4";
     desc	= "ATxmega32A4";
     signature	= 0x1e 0x95 0x41;
+    has_jtag	= no;
 
     memory "eeprom"
         size		= 0x0400;
@@ -12859,6 +12861,7 @@ part parent "x64a3"
     id		= "x64a4";
     desc	= "ATxmega64A4";
     signature	= 0x1e 0x96 0x46;
+    has_jtag	= no;
 ;
 
 #------------------------------------------------------------
@@ -12869,6 +12872,7 @@ part parent "x128a3"
     id		= "x128a4";
     desc	= "ATxmega128A4";
     signature	= 0x1e 0x97 0x46;
+    has_jtag	= no;
 ;
 
 #------------------------------------------------------------
@@ -12879,6 +12883,7 @@ part parent ".xmegasmall"
     id		= "x16d4";
     desc	= "ATxmega16D4";
     signature	= 0x1e 0x94 0x42;
+    has_jtag	= no;
 
     memory "eeprom"
         size		= 0x0400;
@@ -12925,6 +12930,7 @@ part parent ".xmegasmall"
     id		= "x32d4";
     desc	= "ATxmega32D4";
     signature	= 0x1e 0x95 0x42;
+    has_jtag	= no;
 
     memory "eeprom"
         size		= 0x0400;
@@ -12971,6 +12977,7 @@ part parent ".xmegasmall"
     id		= "x64d4";
     desc	= "ATxmega64D4";
     signature	= 0x1e 0x96 0x47;
+    has_jtag	= no;
 
     memory "eeprom"
         size		= 0x0400;
@@ -13017,6 +13024,7 @@ part parent ".xmegasmall"
     id		= "x128d4";
     desc	= "ATxmega128D4";
     signature	= 0x1e 0x97 0x47;
+    has_jtag	= no;
 
     memory "eeprom"
         size		= 0x0800;