Compaq SMA200 user manual 14. PM

DIGITAL-LOGIC AG SMA200 Manual V1.0

5.4.14.PM

				On Module	Ext. Ter-	Max.			Matched
Signal	BUS	Type	Description	Termination	mination	Length	Ohm		Length in
					Needed	in mm			mm
WAKE#	CMOS	3.3V	To wakeup the system,	PU 1k0k	-	-	-	-
		In	this input must be pulled	3.3V
			to GND.
WD_OUT	CMOS	3.3V	Indicates a watchdog	-	-	-	-	-
		Out	timeout event with a high
			level. Cleared with a
			reset and at power-on.
SUS_S3#	CMOS	3.3V	Low = system is in	-	-	-	-	-
		Out	suspend state S3/S4/S5
			(ACPI).
SUS_S4&5#	CMOS	3.3V	Low = system is in	-	-	-	-	-
		Out	suspend state S4/S5
			(ACPI).
GPIO[3..0]	CMOS	3.3V	General purpose I/O pin.	-	-	-	-	-
		I/O
RST_IN#	CMOS	3.3V	To reset the system, this	PU 10k to	-	-	-	-
		In	input must be pulled to	3.3V
			GND.
RST_OUT#	CMOS	3.3V	Goes low during the reset	-	-	-	-	-
		Out	phase and stays at high
			in the running phase.
Power-Good	CMOS	3.3V	High = feedback from the	PU 10k to	-	-	-	-
		In	external power supplies,	3.3V
			that the voltages are in
			the valid ranges.
PS_ON	CMOS	3.3V	High = power supply on	-	-	-	-	-
		Out	the baseboard is
			switched on.
PWRBTN#	CMOS	3.3V	To activate this signal,	PU 1k to
		In	the PWR_BTN# must be	3.3V
			pulled to GND.
BIOS_Disable#	CMOS	3.3V	Low = onmodule BIOs is	PU 1k to	-	-	-	-
		In	disabled, an external	3.3V
			BIOS may be connected
			over LPC.
A20M#	CMOS	3.3V	Connect to the SuperIO's	PU 100k to	-	-	-	-
		In	KBC to switch between	5.0V
			real and protected mode.
Speaker	CMOS	3.3V	Speaker
		Out

If the signals are not used:

Leave the signal open.

Remarks:

EMV/EMI filters:

Are not needed.

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