Technical Reference Guide

G.5.2 INTERNAL 50-PIN ULTRA SCSI CONNECTOR

The card provides one internal 50-pin header-type Ultra SCSI connector. Internal cabling to this connector should consists of an unshielded connector with a 50-conductor flat cable as specified in ANSI standard X3T9.2/375R.

Pin 49

 

 

 

 

Pin 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin 50Pin 2

Figure G–4.Internal 50-Pin Ultra SCSI Connector

Table G–4.Internal 50-Pin Ultra SCSI Connector Pinout

Table G-4.

Internal 50-Pin Ultra SCSI Connector Pinout

 

Pin

Signal

Function

Pin

Signal

Function

 

 

1

GND

Ground

2

DB0-

Data Bit 0

 

 

3

GND

Ground

4

DB1-

Data Bit 1

 

 

5

GND

Ground

6

DB2-

Data Bit 2

 

 

7

GND

Ground

8

DB3-

Data Bit 3

 

 

9

GND

Ground

10

DB4-

Data Bit 4

 

 

11

GND

Ground

12

DB5-

Data Bit 5

 

 

13

GND

Ground

14

DB6-

Data Bit 6

 

 

15

GND

Ground

16

DB7-

Data Bit 7

 

 

17

GND

Ground

18

DBP

Data Bus Pulse

 

 

19

GND

Ground

20

GND

Ground

 

 

21

GND

Ground

22

CS

Cable Sense

 

 

23

Open

Open

24

Open

Open

 

 

25

Open

Open

26

TERMPWR

Termination Power

 

 

27

Open

Open

28

Open

Open

 

 

29

GND

Ground

30

GND

Ground

 

 

31

GND

Ground

32

ATN-

Attention

 

 

33

GND

Ground

34

GND

Ground

 

 

35

GND

Ground

36

BSY-

Busy

 

 

37

GND

Ground

38

ACK-

Acknowledge

 

 

39

GND

Ground

40

SBRST-

Reset

 

 

41

GND

Ground

42

MSG-

Message Activity

 

 

43

GND

Ground

44

SEL-

Select

 

 

45

GND

Ground

46

C-/D

Control/Data Transfer Indicator

 

 

47

GND

Ground

48

REQ-

Request

 

 

49

GND

Ground

50

I-/O

Input/Output Indicator

 

Compaq Personal Computers

G-5

Original - December 2000

Page 214
Image 214
Compaq W4000 manual Internal 50-PIN Ultra Scsi Connector, Table G-4, Internal 50-Pin Ultra Scsi Connector Pinout