Service manual

B-6 Sun Ultra 2 Series Service Manual • July 1996

B.3 Fast/Wide SCSI Connector

The fast/wide small computer system interface (SCSI) connector is located on the

motherboard back panel. The following figure illustrates the fast/wide SCSI

connector configuration and the following table lists the fast/wide SCSI connector

pin assignments.

FIGURE B-4 Fast/Wide SCSI Connector Pin Configuration

TABLE B-4 Fast/Wide SCSI Connector Pin Assignments

Pin Signal Name Description

1 - 16 Gnd Ground

17 Termpower Termpower

18 Termpower Termpower

19 Not used Undefined

20 - 34 Gnd Ground

35 Dat<12>_ Data 12

36 Dat<13>_ Data 13

37 Dat<14>_ Data 14

38 Dat<15>_ Data 15

39 Par1 l_ Parity 1

40 Dat<0>_ Data 0

41 Dat<1>_ Data 1

42 Dat<2>_ Data 2

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