Seagate Barracuda 18LP ST318275LC, Product Manual

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Barracuda 18LP Product Manual, Rev. E 63
Table 13d: “LC” differential models, 80 pin I/O connector pin assignments (nonshielded connector)
[11]
Notes [ ]: See page following this Table.
Signal
name [1]
Connector
contact
number [3]
Signal
number [3] Contact
name[1]
12 V CHARGE 1 41 12 V GND
12 V 2 42 12 V GND
12 V 3 43 12 V GND
12 V 4 44 MATED 1
NC [10] 5 45 NC [10]
NC [10] 6 46 DIFFSNS [8]
–DB11 7 47 +DB11
–DB10 8 48 +DB10
–DB9 9 49 +DB9
–DB8 10 50 +DB8
–I/O 11 51 +I/O
–REQ 12 52 +REQ
–C/D 13 53 +C/D
–SEL 14 54 +SEL
–MSG 15 55 +MSG
–RST 16 56 +RST
–ACK 17 57 +ACK
–BSY 18 58 +BSY
–ATN 19 59 +ATN
–DBP 20 60 +DBP
–DB7 21 61 +DB7
–DB6 22 62 +DB6
–DB5 23 63 +DB5
–DB4 24 64 +DB4
–DB3 25 65 +DB3
–DB2 26 66 +DB2
–DB1 27 67 +DB1
–DB0 28 68 +DB0
–DP1 29 69 +DP1
–DB15 30 70 +DB15
–DB14 31 71 +DB14
–DB13 32 72 +DB13
–DB12 33 73 +DB12
+5 V 34 74 MATED 2
+5 V 35 75 5 V GND
+5 V 36 76 5 V GND
NC [10] 37 77 ACTIVE LED OUT [4] [9]
RMT-START [5] [9] 38 78 DLYD-START [6] [9]
SCSI ID (0) [7] [9] 39 79 SCSI ID (1) [7] [9]
SCSI ID (2) [7] [9] 40 80 SCSI ID (3) [7] [9]