diff --git a/sax/api/data/cdb/Pens b/sax/api/data/cdb/Pens
index f8cffaa..1bae24d 100644
--- a/sax/api/data/cdb/Pens
+++ b/sax/api/data/cdb/Pens
@@ -388,4 +388,42 @@ TABLET PCs:ASUS R1F Stylus (USB) {
  RawOption           = "ForceDevice" "ISDV4","BottomX" "28606","BottomY" "17876","TopX" "0","TopY" "0"
 }
 
+#---------------------------------------------#
+# TABLET PCs: HP Pavilion tx2500 Eraser (USB) #
+#---------------------------------------------#
+TABLET PCs:HP Pavilion tx2500 Eraser (USB) {
+ Device              = /dev/input/by-id/usb-Tablet_ISD-V4-event-stylus
+ Option              = USB
+ TabletMode          = Absolute
+ Driver              = wacom
+ Protocol            = Auto
+ TabletType          = eraser
+ RawOption           = "ForceDevice" "ISDV4"
+}
+
+#---------------------------------------------#
+# TABLET PCs: HP Pavilion tx2500 Stylus (USB) #
+#---------------------------------------------#
+TABLET PCs:HP Pavilion tx2500 Stylus (USB) {
+ Device              = /dev/input/by-id/usb-Tablet_ISD-V4-event-stylus
+ Option              = USB
+ TabletMode          = Absolute
+ Driver              = wacom
+ Protocol            = Auto
+ TabletType          = stylus
+ RawOption           = "ForceDevice" "ISDV4","BottomX" "26300","BottomY" "16375","TopX" "225","TopY" "225"
+}
+
+#---------------------------------------------#
+# TABLET PCs: HP Pavilion tx2500 Touch (USB)  #
+#---------------------------------------------#
+TABLET PCs:HP Pavilion tx2500 Touch (USB) {
+ Device              = /dev/input/by-id/usb-Tablet_ISD-V4-event-touch
+ Option              = USB
+ TabletMode          = Absolute
+ Driver              = wacom
+ Protocol            = Auto
+ TabletType          = touch
+ RawOption           = "ForceDevice" "ISDV4","BottomX" "4000","BottomY" "3875","TopX" "200","TopY" "225"
+}
 
diff --git a/sax/api/data/cdb/Tablets b/sax/api/data/cdb/Tablets
index baa8151..04e7d33 100644
--- a/sax/api/data/cdb/Tablets
+++ b/sax/api/data/cdb/Tablets
@@ -193,6 +193,22 @@ TABLET PCs:HP Compaq TC4200 (SERIAL) {
  EraserLink       = HP Compaq TC4200 Eraser (SERIAL)
 }
 
+#-----------------------------------------#
+# TABLET PCs: HP Pavilion tx2500 series   #
+#-----------------------------------------#
+TABLET PCs:HP Pavilion tx2500 series (USB) {
+ Driver           = wacom
+ Device           = /dev/input/by-id/usb-Tablet_ISD-V4-event-stylus
+ Option           = USB
+ SendCoreEvents   = on
+ TabletType       = cursor
+ TabletMode       = Absolute
+ RawOption        = "ForceDevice" "ISDV4"
+ StylusLink       = HP Pavilion tx2500 Stylus (USB)
+ EraserLink       = HP Pavilion tx2500 Eraser (USB)
+ TouchLink        = HP Pavilion tx2500 Touch (USB) 
+}
+
 #----------------------------------#
 # TABLET PCs: IBM X41 Tablet PC    #
 #----------------------------------#