Diamond Systems High INtegration PC/104 Celeron CPU with Ethernet, 1.01 RS-422, RS-485, CPU Fan

SIGNAL NAME	DEFINITION	DIRECTION
RS-422:
TXD+	Differential Transmit Data (HIGH)	Output
TXD-	Differential Transmit Data (LOW)	Output
RXD+	Differential Receive Data (HIGH)	Input
RXD-	Differential Receive Data (LOW)	Input
RS-485:
DATA+	Differential Transceiver Data (HIGH)	Bi-directional
DATA-	Differential Transceiver Data (LOW)	Bi-directional

6.2CPU Fan

This connector provides power to the CPU fan cooling system. The fan is strongly recommended on the North Bridge chip on the 650MHz model. In most cases just a heat sink is sufficient for the North Bridge chip on the 400MHz model.

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2

3

Fan control +5V GND

6.3Ethernet LED

This connector can be used to indicate whether the Ethernet is working/active or not. Diamond Systems does not provide any cables or LEDs for this connector.

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3

4

Activity LED +3.3V Link LED +3.3V

Morpheus CPU User Manual V1.01 Page 9