Intel MB886 user manual CN3 Parallel Port Connector, CN4: VGA CRT Connector

INSTALLATIONS

CN3: Parallel Port Connector

CN3 is a DB-25 external connector situated on top of the VGA and serial ports.

			CN4 Parallel Port
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

CN4 is a DB-15 VGA connector located beside the COM1 port. The following table shows the pin-out assignments of this connector.

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

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