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CX-MB-EVA2 User's Manual Hardware
44
4.29 Jumper settings
4.29.1 BIOS-Flash Jumper J0203
To boot from the firmware hub in the PLCC32 socket on the mother board, install J0203.
The firmware hub on the COM Express module will be automatically disabled.
Function J0203
COM Express module flash removed (BIOS disable LED off)
Flash in PLCC32 installed (BIOS disable LED on)
4.29.2 PCI I/O voltage Jumper J0306
PCI VCCIO Pins to close
+3,3 V 2-3
+5,0 V 1-2
If no Jumper is closed, the VCCIO plane is powered by 3V over a diode.
4.29.3 Backlight power Jumpers JP0601
Voltage Pins to close
+12,0 V 5-6
+5,0 V 3-4
+3,3 V 1-2
4.29.4 Backlight polarity Jumper J5
Function Pins to close
LVDS_BKLT_EN 2-3
LVDS_BKLT_EN# 1-2
4.29.5 AC'97 / HDA select Jumper J0701
Function J0701
AC'97 codec removed
HDA codec installed
4.29.6 Compact Flash Master Jumper J0802
Function J0802
Master removed
Slave installed
4.29.7 LAN speed mode Jumper J1003
Function J1003
10 / 100 Mbit all removed
Gigabit 1-2 and 3-4 installed