Seagate CHEETAH 15K.5 SCSI ST3146855LC - Manual (Page 72)

66 Cheetah 15K.5 SCSI Product Manual, Rev. J
Table 19: LC 80-pin single-ended (SE) I/O connector pin assignments [11]
Note. A minus sign preceding a signal name indicates that signal is active low.
Notes [ ]: See page following Table 20.
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 [12]
NC [10] 5 45 NC [10]
NC [10] 6 46 DIFFSNS [8]
–DB11 7 47 GND
–DB10 8 48 GND
–DB9 9 49 GND
–DB8 10 50 GND
–I/O 11 51 GND
–REQ 12 52 GND
–C/D 13 53 GND
–SEL 14 54 GND
–MSG 15 55 GND
–RST 16 56 GND
–ACK 17 57 GND
–BSY 18 58 GND
–ATN 19 59 GND
–DBP 20 60 GND
–DB7 21 61 GND
–DB6 22 62 GND
–DB5 23 63 GND
–DB4 24 64 GND
–DB3 25 65 GND
–DB2 26 66 GND
–DB1 27 67 GND
–DB0 28 68 GND
–DP1 29 69 GND
–DB15 30 70 GND
–DB14 31 71 GND
–DB13 32 72 GND
–DB12 33 73 GND
+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] [12] 38 78 DLYD-START [6] [9] [12]
SCSI ID (0) [7] [9] [12] 39 79 SCSI ID (1) [7] [9] [12]
SCSI ID (2) [7] [9] [12] 40 80 SCSI ID (3) [7] [9] [12]