Spinal has updated his Nintendo DS diagnose tool.

Features include testing:

* Direction Pad and buttons
* Touch screen accuracy
* Wifi settings
* Microphone
* Speakers
* Screen lights
* Motion card/pak (sold separately)
* Rumble pak (sold separately)
* DLDI FAT
* SRAM

http://palib.info/forum/modules/newbb/viewtopic.php?viewmode=flat&type=&topic_id=3343&forum=28