Intel MB865 user manual CN3 Parallel Port Connector, CN4 VGA CRT Connector, Signal Name, Pin #

INSTALLATIONS

CN3: Parallel Port Connector

CN3 is a DB-25 external. 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
Busy	11	24	Ground
Paper empty	12	25	Ground
Select	13	N/A	N/A

CN4: VGA CRT Connector

The pin assignments of the CN4 VGA CRT connector are as follows:

	Signal Name	Pin	Pin	Signal Name
	Red	1	2	Green
	Blue	3	4	N.C.
	GND	5	6	GND
CN4	GND	7	8	GND
	N.C.	9	10	GND
	N.C.	11	12	N.C.
	HSYNC	13	14	VSYNC
	NC	15

18 MB865 User’s Manual