Table B-3. Parallel Connector Pin Assignments

Pin

Signal

I/O

Definition

 

 

 

 

 

 

1

STB#

I/O

Strobe

 

 

 

 

 

 

2

PD0

I/O

Printer data bit 0

 

 

 

 

 

 

3

PD1

I/O

Printer data bit 1

 

 

 

 

 

 

4

PD2

I/O

Printer data bit 2

 

 

 

 

 

 

5

PD3

I/O

Printer data bit 3

 

6

PD4

I/O

Printer data bit 4

 

 

 

 

 

 

7

PD5

I/O

Printer data bit 5

 

 

 

 

 

 

8

PD6

I/O

Printer data bit 6

 

 

 

 

 

 

9

PD7

I/O

Printer data bit 7

 

 

 

 

 

 

10

ACK#

I

Acknowledge

 

 

 

 

 

 

11

BUSY

I

Busy

 

 

 

 

 

 

12

PE

I

Paper end

 

 

 

 

 

 

13

SLCT

I

Select

 

14

AFD#

O

Automatic feed

 

 

 

 

 

 

15

ERR#

I

Error

 

 

 

 

 

 

16

INIT#

O

Initialize printer

 

 

 

 

 

 

17

SLIN#

O

Select in

 

 

 

 

 

 

18–25

GND

N/A

Ground

 

 

 

 

 

 

 

 

 

 

 

PS/2-Compatible Keyboard and Mouse Connectors

The PS/2-compatible keyboard and mouse cables attach to 6-pin, miniature DIN connectors. Figure B-4 illustrates the pin numbers for these connectors and Table B-4 defines the pin assignments for these connectors.

Figure B-4. Keyboard and Mouse Connector Pin Numbers

Table B-4. Keyboard and Mouse Connector Pin Assignments

Pin

Signal

I/O

Definition

 

 

 

 

 

 

1

KBDATA or MFDATA

I/O

Keyboard data or mouse data

 

 

 

 

 

 

2

NC

N/A

No connection

 

 

 

 

 

 

3

GND

N/A

Signal ground

 

 

 

 

 

 

4

FVcc

N/A

Fused supply voltage

 

 

 

 

 

 

5

KBCLK or MFCLK

I/O

Keyboard clock or mouse clock

 

 

 

 

 

 

6

NC

N/A

No connection

 

Shell

N/A

N/A

Chassis ground

 

 

 

 

 

 

 

 

 

 

 

Page 8
Image 8
Dell 1600SC manual PS/2-Compatible Keyboard and Mouse Connectors, Table B-3. Parallel Connector Pin Assignments, 18-25