Reproducible on an ASUS UX305LA
$ uname -a Linux bnasws02 3.16.0-49-generic #65~14.04.1-Ubuntu SMP Wed Sep 9 10:03:23 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date UX305LA.204 07/06/2015
Reproducible on an ASUS UX305LA
$ uname -a
Linux bnasws02 3.16.0-49-generic #65~14.04.1-Ubuntu SMP Wed Sep 9 10:03:23 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
UX305LA.204
07/06/2015