ps7110db.pdf - 7110 processor data sheet msm7717_01_02_03.pdf - 7717 CODEC sound chip sbas090a.pdf - 7843 ADC chip (touchscreen/battery monitor) psion_mails.txt - Emails from a Psion Employee providing some technical insight.. battery_info.txt - Results of hacking with the ADC in order to read the battery level.