
Functional Description
MEN Mikro Elektronik GmbH
13
2
Functional Description
2.1
Power Supply
The GM3 is supplied with a primary voltage of +3.3V (±10%) via the board-to-
board connector from the CPU board.
2.2
Board-to-Board Connector
The GM3 is connected to the CPU board via a 40-pin board-to-board connector
which leads one PCI Express x1 link and two USB ports for controlling the Ethernet
controller and the mSATA SSD to the GM3.
Figure 2.
Position of board-to-board connector
Board
to
Board
Connector
Quad
Gigabit
Ethernet
controller
CompactPCI
Serial
Connector P6