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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

Signal ground

 

 

 

 

([WHUQDO￿6&6,￿&RQQHFWRU

The 68-pin external small computer system interface (SCSI) connector on the system back panel supports external Ultra SCSI devices such as scanners, ZIP drives, and optical drives.

If you reconfigure your hardware, you may need pin number and signal information for the external SCSI connector. Figure B-5 illustrates the pin numbers for the external SCSI connector, and Table B-5 lists and defines the pin assignments and interface sig- nals for the external SCSI connector.

B-10Dell Precision 610 Mini Tower Systems User’s Guide

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Dell 610 manual WHUQDO6&6,&RQQHFWRU
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