rtd cpuModule CMX147786HX, User Manual

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CMX147786HX RTD Embedded Technologies, Inc.
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Figure 5: CMX147786HX Jumper Locations - Bottom
Table 36: Jumpers and Default Settings
JP1 2-pin jumper
Used to enable/disable 120 ohm termination resistor on first serial port for
RS-422/485 mode.
default: Open (no termination)
JP2 2-pin jumper
Used to enable/disable 120 ohm termination resistor on first serial port for
RS-422/485 mode.
default: Open (no termination)
JP4 3-pin jumper
Used to select power for an SSD socket.
• 1 to 2 is 5 Volts on board.
• 2 to 3 is 5 volts on board when power on and battery backup when power
off
default: Positions 1 and 2.
JP5 2-pin jumper
Used for setting to boot to Fail Safe Boot ROM and restoring factory BIOS
settings
default: Open
JP6 2-pin jumper
Factory use only; do not close.
default: Open
JP9 3-pin jumper
Used to select power for the Flat Panel Backlight
• 1 to 2 is 12V
• 2 to 3 is 5V
default: Positions 2 and 3.
JP10 3-pin jumper
Used to select power for the Flat Panel Electronics
• 1 to 2 is 3.3V
• 2 to 3 is 5V
default: Positions 1 nd 2.
Table 37: Solder Jumpers and Default Settings
B1 Three position solder jumper to select 3.3 or 5 volt signaling on the PCI bus.
• Pads 1-2 shorted is 5 Volt signaling
• Pads 2-3 shorted is 3.3 Volt signaling. Default Setting
B2 Two position solder jumper to connect USB shield ground to frame ground.
Default is not connected.
B3 Three position solder jumper to select the source of 3.3V on the PCI bus.
• 2-3 -- PC/104 Plus PCI bus +3.3 volts supplied by on-board +3.3 volt reg-
ulator. Maximum current source is two (2) amps.
• 1-2 -- PC/104 Plus PCI bus +3.3 volts supplied by power connector P9
pins 10 and 12. Default setting.