Reproducible on an ASUS UX303LB
$ uname -a Linux NTHX-LLT 3.19.0-30-generic #33-Ubuntu SMP Mon Sep 21 20:58:04 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date UX303LB.206 08/24/2015
Reproducible on an ASUS UX303LB
$ uname -a
Linux NTHX-LLT 3.19.0-30-generic #33-Ubuntu SMP Mon Sep 21 20:58:04 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
UX303LB.206
08/24/2015