A-4 Connector Pin Assignments
SCSI Low Voltage Differential/Single Ended (LVD/SE)
Connector and Icon
Pin Signal Pin Signal Pin Signal
1-16 Ground 43 -D3 57 -BSY
17-18 TERMPWR 44 -D4 58 -ACK
19 Reserved 45 -D5 59 -RST
20-34 Ground 46 -D6 60 -MSG
35 -D12 47 -D7 61 -SEL
36 -D13 48 -DP0 62 -C/D
37 -D14 49-50 Ground 63 -REQ
38 -D15 51-52 TERMPW 64 -I/O
39 -DP1 53 Reserved 65 -D8
40 -D0 54 Ground 66 -D9
41 -D1 55 -ATN 67 -D10
42 -D2 56 Ground 68 -D11
Ultra SCSI
Connector and Icon
Pin Signal Pin Signal Pin Signal
1-11 Ground 31 DB5 41 ATN #
12 Reserved 32 DB6 42 Ground
13 Open 33 DB7 43 BSY #
14 Reserved 34 DBP 44 ACK #
15-25 Ground 35 Ground 45 RST #
26 DB0 36 Ground 46 MSG #
27 DB1 37 Reserved 47 SEL #
28 DB2 38 TERMPWR 48 C/D
29 DB3 39 Reserved 49 REQ #
30 DB5 40 Ground 50 Input/Output
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