
Quantum SBC User Manual Rev A
www.diamondsystems.com
Page 24
7.1
Battery configuration (JP1)
Jumper block JP1 configures the battery voltage supply.
Battery Jumper JP1
VBAT_IN
1
VCC_RTC
2
Pins 1-2
Function
Jumper
VIO_RTC = 3V
No jumper
VCC_RTC = 0V
7.2
PCI voltage configuration (JP2)
Jumper block JP2 configures the voltage supply for PCI/104 add on modules.
VIO_PCI Jumper JP2
5V
1
VIO_PCI
2
3.3V
3
JP2
Function
1-2
VIO_PCI = 5V
2-3
VIO_PCI = 3.3V
7.3
LCD Backlight Power (JP3)
Jumper block JP3 configures the voltage supply for the LCD backlight. There are labels on the board representing
the jumper configurations. Available options are +5V input or +12V.
LCD Backlight Power JP3
12V
1
VLCD_BKLT A
2
5V
3
5V
4
VLCD_ BKLT B
5
12V
6
JP3
Function
1-2
VLCD_BKLT A = 12V
2-3
VLCD_BKLT A = 5V (Default)
4-5
VLCD_BKLT B = 5V (Default)
5-6
VLCD_BKLT B = 12V