Installation
Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 3−19Table 3-6 80-Pin SCA-2 SCSI Connector Pin Assignments
Signal Name Pin Number Pin Number Signal Name
+12 V 1 41 12V GROUND
+12 V 2 42 12V GROUND
+12 V 3 43 12V GROUND
+12 V 4 44 MATED 1
NO CONNECT 5 45 NO CONNECT
NO CONNECT 6 46 SCSI_DIFFSENS
-DATA_M(11) 7 47 DATA_P(11)
-DATA_M (10) 8 48 DATA_P(10)
-DATA_M B(9) 9 49 DATA_P(9)
-DATA_M(8) 10 50 DATA_P(8)
-SCSI_I/O 11 51 SCSI_I/O_P
-SCSI_REQ 12 52 SCSI_REQ_P
-SCSI_C/D 13 53 SCSI_C/D_P
-SCSI_SEL 14 54 SCSI_SEL_P
-SCSI_MSG 15 55 SCSI_MSG_P
-SCSI_RST 16 56 SCSI_RST_P
-SCSI_ACK 17 57 SCSI_ACK_P
-SCSI_BSY 18 58 SCSI_BSY_P
-SCSI_ATN 19 59 SCSI_ATN_P
-SCSI_PARITY_M(0) 20 60 SCSI_PARITY_P(0)
-DATA_M(7) 21 61 DATA_P(7)
-DATA_M(6) 22 62 DATA_P(6)
-DATA_M(5) 23 63 DATA_P(5)
-DATA_M(4) 24 64 DATA_P(4)
-DATA_M(3) 25 65 DATA_P(3)
-DATA_M(2) 26 66 DATA_P(2)
-DATA_M(1) 27 67 DATA_P(1)
-DATA_M(0) 28 68 DATA_P(0)
-SCSI_PARITY_M(1) 29 69 SCSI_PARITY_P(1)
-DATA_M(15) 30 70 DATA_P(15)
-DATA_M(14) 31 71 DATA_P(14)
-DATA_M(13) 32 72 DATA_P(13)
-DATA_M(12) 33 73 DATA_P(12)
+5V 34 74 GROUND (MATED 2)
+5V 35 75 5V GROUND
+5V 36 76 5V GROUND
RESERVED 37 77 ACTIVE LED OUT
-DELAY_SPIN 38 78 -STAGGER_SPIN
-SCSI ID (0) 39 79 -SCSI ID (1)
-SCSI ID (2) 40 80 -SCSI ID (3)
NOTE
A negative sign (-) before a signal indicates an active-low signal.