30
Interfaces
3.18 Backlight Voltage Select (CN59)
Table 3-19 lists the pin signals of the Backlight Voltage Select jumper header, which provides
3
pins, single-row, with 0.079
" (2mm) pitch.
NOTE: The shaded table cells denote power.
3.19 Keyboard Controller Enable (CN61)
Table 3-20 lists the pin signals of the Enable Keyboard Controller jumper header, which provides
2 pins with 0.079
" (2mm) pitch.
NOTE: The shaded table cells denote Power. Default = jumper removed.
3.20 LCD Supply Voltage Select (CN62)
Table 3-21 lists the pin signals of the LCD Supply Voltage Select jumper header, which provides
6 pins, 2 rows, with
odd/even pin sequence (1, 2) and
0.079
" (2mm) pitch.
NOTE: The shaded table cells denote Ground or Power. Default = jumper installed on 1-2.
Table 3-19: Backlight Voltage Select Signals (CN59)
Pin #
Signal
Jumper Position
1
LCD_12V
• Jumper Installed 1-2 - 12 volts (
Default
)
• Jumper Installed 2-3 - 5 volts
2
BKLT_PWR_SRC
3
LCD_5V
Table 3-20: Keyboard Controller Enable (CN61)
Pin #
Signal
1
+V3P3S
2
SIO_ADDR (open = 2Eh [
Default
]; closed = 4Eh)
Table 3-21: LCD Supply Voltage Select (CN62)
Pin #
Signal
1
LCD_3P3V
• Jumper Installed 1-2 - 3.3 volts (
Default
)
• Jumper Installed 3-4 - 5 volts
• Jumper Installed 5-6 - 12 volts
2
LCD_PWR_SRC
3
LCD_5V
4
LCD_PWR_SRC
5
LCD_12V
6
LCD_PWR_SRC