76 Cheetah 10K.7 SCSI Product Manual, Rev. D
Table 16: 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.
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 3070GND
–DB14 3171GND
–DB13 3272GND
–DB12 3373GND
+5 V 3474MATED 2
+5 V 35755 V GND
+5 V 36765 V GND