/usr/share/libwacom/isdv4-90.tablet is in libwacom-common 0.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | # USB tablet PC models: ASUS R1E and ASUS R1F
#
# stylus with one button and eraser
#
# Screen size 11.7 x 7.9; 13.3" diagonal
[Device]
Name=Wacom ISDv4 90
DeviceMatch=usb:056a:0090;serial:056a:0090
Class=ISDV4
Width=12
Height=8
IntegratedIn=Display;System
[Features]
Stylus=true
Touch=false
Buttons=0
|