Barracuda 18XL Product Manual, Rev. A 73
Table 13b: “LW” models differential cable 68 conductor signal/pin assignments (Nonshielded connector) [11]
Note.
The minus sign next to the signal indicates asserted state is the low voltage of the two levels used for
logic signals.
Notes [ ]:
See page following Table 13f.
Signal
name [1]
Connector
contact
number [3]
Cable
conductor
number [2]
Connector
contact
number [3]
Signal
name [1]
+DB12 1 1 2 35 –DB12
+DB13 2 3 4 36 –DB13
+DB14 3 5 6 37 –DB14
+DB15 4 7 8 38 –DB15
+DBP1 5 9 10 39 –DBP1
+DB0 6 11 12 40 –DB0
+DB1 7 13 14 41 –DB1
+DB2 8 15 16 42 –DB2
+DB3 9 17 18 43 –DB3
+DB4 10 19 20 44 –DB4
+DB5 11 21 22 45 –DB5
+DB6 12 23 24 46 –DB6
+DB7 13 25 26 47 –DB7
+DBP 14 27 28 48 –DBP
GND15293049GND
DIFFSNS [8] 16 31 32 50 GND
TermPwr17333451TermPwr
TermPwr18353652TermPwr
Reserved 19 37 38 53 Reserved
GND20394054GND
+ATN 21 41 42 55 –AT N
GND22434456GND
+BSY 23 45 46 57 –BSY
+ACK 24 47 48 58 –ACK
+RST 25 49 50 59 –RST
+MSG 26 51 52 60 –MSG
+SEL 27 53 54 61 –SEL
+C/D 28 55 56 62 –C/D
+REQ 29 57 58 63 –REQ
+I/O 30 59 60 64 –I/O
+DB8 31 61 62 65 –DB8
+DB9 32 63 64 66 –DB9
+DB10 33 65 66 67 –DB10
+DB11 34 67 68 68 –DB11
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