Intel IB865, 865G J2 Parallel Port Connector, J4, J5 COM1 and COM2 Serial Ports Connector

INSTALLATIONS

J2: Parallel Port Connector

The following table describes the pin out assignments of this connector.

	Signal Name	Pin #	Pin #	Signal Name
	Line printer strobe	1	14	AutoFeed
	PD0, parallel data 0	2	15	Error
	PD1, parallel data 1	3	16	Initialize
	PD2, parallel data 2	4	17	Select
	PD3, parallel data 3	5	18	Ground
	PD4, parallel data 4	6	19	Ground
	PD5, parallel data 5	7	20	Ground
	PD6, parallel data 6	8	21	Ground
	PD7, parallel data 7	9	22	Ground
	ACK, acknowledge	10	23	Ground
J2
	Busy	11	24	Ground
	Paper empty	12	25	Ground
	Select	13	N/A	N/A

J4, J5: COM1 and COM2 Serial Ports Connector

J4 and J5 both 10-pin headers, are the onboard serial port connectors.

J4	Pin #		Signal Name
Fixed as		RS-232	RS-422	RS-485
RS-232	1	DCD	TX-	DATA-
	2	RX	TX+	DATA+
J5	3	TX	RX+	NC
Configurable	4	DTR	RX-	NC
	5	GND	GND	GND
as RS-232/
	6	DSR	RTS-	NC
RS-422/485
	7	RTS	RTS+	NC
with jumpers
	8	CTS	CTS+	NC
JP2/JP3/JP4	9	RI	CTS-	NC
	10	NC	NC	NC

24 IB865 User’s Manual