Intel MB820 user manual CN4 Parallel Port Connector, CN6 VGA CRT Connector

INSTALLATIONS

CN4: Parallel Port Connector

CN4 is a DB-25 external connector situated on top of the VGA and serial ports. The following table describes the pin-out assignments of this connector.

				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

CN6: VGA CRT Connector

CN6 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
N.C.	9	10	GND
N.C.	11	12	N.C.
HSYNC	13	14	VSYNC
NC	15

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