International Computer Hardware User Manual

CX-MB-EVA2 User's Manual Hardware

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