Chapter 5
28
QDSP-2020 User’s Manual
Jumper
Status
Open AT
Mode
Short
ATX Mode (Default)
Table 12 JP2 Power Mode Selection
Jumper
Setting
Status
1-3
Backlight Power = +12V (Default)
1
3-5
Backlight Power = +5V
2-4
Panel Power = +3.3V (Default)
2
4-6
Panel Power = +5V
Table 13 JP3 Backlight & Panel Power Selection
Jumper
Status
1-2
Active High (Default)
2
3
1
2-3 Active
Low
Table 14 JP4 Backlight Enable Selection
Pin
Signal
Pin
Signal
1 +5VSB
2 GND
3
KBCLK_SIO
4
KBDAT_ SIO
5
KBCLK_CN7
6
KBDAT_CN7
7
MSCLK_SIO
8
MSDAT_SIO
9
MSCLK_CN7
10
MSDAT_CN7
Table 15 JP5 KB/MS Connector Selection
Jumper
Status
1-2 +5VSB
(Default)
2
3
1
2-3 +5V
Table 16 JP6 USB POWER SELECT
