Asus AP1720-E1 - Manual (Page 106)

5-4 Chapter 5: Driver installation
Changing the default language
1. Click on the Load button. a
window showing the available
languages appears.
2. Select your desired language
then click Open. The event
messages for the language you
selected appear on the Voice
Editor screen.
For some languages, not all events have a corresponding message
due to file size constraints.
3. Click on the Write button to
update the EEPROM.
4. Click Yes on the confirmation
window that appears.
The next time you boot your computer, the POST messages are
announced in the language that you selected .