Seagate ST318436LW - Page 85

Barracuda 18XL Product Manual, Rev. A 75
Table 13d: “LC” differential models, 80 pin I/O connector pin assignments (nonshielded connector)
[11]
Notes [ ]
: See page following Table 13f.
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
–DB81050+DB8
–I/O1151+I/O
–REQ1252+REQ
–C/D1353+C/D
–SEL1454+SEL
–MSG1555+MSG
–RST1656+RST
–ACK1757+ACK
–BSY1858+BSY
–ATN1959+ATN
–DBP2060+DBP
–DB72161+DB7
–DB62262+DB6
–DB52363+DB5
–DB42464+DB4
–DB32565+DB3
–DB22666+DB2
–DB12767+DB1
–DB02868+DB0
–DP12969+DP1
–DB15 30 70 +DB15
–DB14 31 71 +DB14
–DB13 32 72 +DB13
–DB12 33 73 +DB12
+5 V3474MATED 2
+5 V35755 V GND
+5 V36765 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]