10

10

SWITCH FUNCTIONS

BUTTON OPERATIONS

Table 4 shows the functions of the five pushbutton switches on the board.

ITEM

DESCRIPTION

POWER SW1

SABRE board POWER button



Momentary depress of button will place the system in standby.



Long press of the button will display a software drive shutdown option

menu.



Prolonged depress (> 5 sec) will force an immediate hardware

shutdown.



If board is in the OFF state, momentary depress of button will restart

(boot) the system.



If board is in the STANDBY state, momentary depress of the button will

bring the system out of standby (resume operations, no boot)

RESET SW2

SABRE board RESET button



Momentary depress of button will reset the system and begin a boot

sequence.

SHUTDOWN SW3

SABRE board shutdown switch



Sliding the switch to the O position connects the 5 V power supply

to the SABRE board main power system.



Sliding the shutdown switch immediately removes all power

to the board.

Volume up SW4

Volume +

Volume down SW5

Volume -

Table 4: SABRE Board for Smart Devices Button Operations

Quick Start Guide