Dell 3250 - External Ultra320 SCSI Connector; Table 39. External Ultra320 SCSI Connector Pinout

207
80-pin Connector Contact
and Signal Name
SCA-2 Connector 80-pin Connector Contact
and Signal Name
34 5-V Charge Mated 2 74
35 5-V Charge 5-V Ground 75
36 5-V Charge 5-V Ground 76
37 Spindle Sync Active LED Out 77
38 MTRON DLYD_START 78
39 SCSI ID (0) SCSI ID (1) 79
40 SCSI ID (2) SCSI ID (3) 80
External Ultra320 SCSI Connector
As an option, the server system can support a shielded external (68-pin) SCSI connection. See
Table 39. This SCSI port is controlled by SCSI port 2 of the LSI53C1030 LVDS controller
component located on the main board.
Table 39. External Ultra320 SCSI Connector Pinout
Signal Name Pin Ultra320 SCSI Connector Pin Signal Name
+DB(12) 1 35 -DB(12)
+DB(13) 2 36 -DB(13)
+DB(14) 3 37 -DB(14)
+DB(15) 4 38 -DB(15)
+DB(P1) 5 39 -DB(P1)
+DB(0) 6 40 -DB(0)
+DB(1) 7 41 -DB(1)
+DB(2) 8 42 -DB(2)
+DB(3) 9 43 -DB(3)
+DB(4) 10 44 -DB(4)
+DB(5) 11 45 -DB(5)
+DB(6) 12 46 -DB(6)
+DB(7) 13 47 -DB(7)
+P_CRCA 14 48 +P_CRCA
GND 15 49 GND
DIFFSENS 16 50 GND
TERMPWR 17 51 TERMPWR
TERMPWR 18 52 TERMPWR
NC 19 53 NC
GND 20 54 GND
+ATN 21 55 -ATN
GND 22 56 GND
+BSY 23 57 -BSY
+ACK 24
58 -ACK