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
Summary of Contents for 3250
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