Ampro Corporation PCI-104 RTS1, TXD1, CTS1, DTR1, S1TXD, USBOC0, USBP0+, USBOC1, USBP1, Msdt

Appendix B				I/O Interface Board
	J4	Signal	Pin # On-	Description
	Pin #		board
	14	RTS1*	J7-16	Request To Send 1 – Indicates serial port is ready to transmit data. Used
				as hardware handshake with CTS1 for low level flow control.
	15	TXD1	J7-12	Transmit Data 1 Output – This line is typically held to a logic 1 when
		(through		no data is being sent. A logic 0 (On) must be present on RTS1, CTS1,
		JP1)		DSR1, and DTR1 before transmitting data on this line.
	16	CTS1*	J7-17	Clear To Send 1 – Indicates external serial device is ready to receive
				data. Used as hardware handshake with RTS1 for low level flow
				control.
	17	DTR1*	J7-13	Data Terminal Ready 1 – Indicates port is powered, initialized, and
				ready. Used as hardware handshake with DSR1 for overall readiness to
				communicate.
	18	RI1*	J7-18	Ring Indicator 1 – Indicates external serial device is detecting a ring
				condition. Used by software to initiate operations to answer and open
				the communications channel.
	19	GND	J7-14	Digital Ground
	20	S1_TXD	JP1-3	Serial Port 2 Transmit TTL – Places TTL TX signals on pin 3 of the
				Serial Port 2 (J4) when jumper (JP1) on I/O Board is set to pins 2-3.
	21	USBOC0	J4-21	USB 0 Over Current – The Power Distribution Switch (U1) monitors
				power and disables port if this input is low.
	22	USB Pwr	J4-22	USB Port 0 power (+5V +/-5%)
	23	USBP0-	J4-23	Universal Serial Bus Port 0 Data Negative
	24	USBP0+	J4-24	Universal Serial Bus Port 0 Data Positive
	25	GND	J4-25	USB Ground
	26	USBOC1	J4-26	USB 1 Over Current – The Power Distribution Switch (U1) monitors
				power and disables port if this input is low.
	27	USB Pwr	J4-27	USB Port 0 power (+5V +/-5%)
	28	USBP1-	J4-28	Universal Serial Bus Port 1 Data Negative
	29	USBP1+	J4-29	Universal Serial Bus Port 1 Data Positive
	30	GND	J4-30	USB Ground
	31	MSDT	J4-31	Mouse Data
	32	MSCK	J4-32	Mouse Clock
	33	GND	J4-33	Ground
	34	MSPwr	J4-34	Mouse Power (+5V +/-5%)
	35	HDDAct	D1-1	IDE Hard Disk Drive Activity – IDE activity signal to HDD Activity
				LED (D1).
	36	ExtSMI*	J6-2	External SMI – Provides external SMI signal to the CoreModule 800.
	37	ThermDP	U3-3	Thermal Data Positive – Thermal data positive received from CPU.
	38	BatLow*	J6-3	Battery Low –
	39	ThermDN	U3-4	Thermal Data Negative – Thermal data negative received from CPU.
	40	NC	J4-40	Not Connected (External –5V input)

Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic. NC = Not Connected at CoreModule 800.

CoreModule 800 QuickStart Guide 25