Tests and Diagnostics
3-150 [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)
The keyboard which can be tested is two kinds, "US Keyboard A4 Mode" and "US Keyboard
A4 Mode+10Key Mode."
When you test a keyboard with a ten key, choose "US Keyboard A4 Mode+10Key Mode" by
the combo box of the keyboard layout upper left stage.