SBC-776 Chapter 2 35
SCSI-2 68-PinConnector (CN 21)
SBC-776 has a 68 pin connector for the Ultra 2 SCSI connection.
Please pay attention when connecting the SCSI device, because
you must determine the last device on the SCSI chain.
PIN FUNCTION PIN FUNCTION
1 SD+12 35 SD-12
2 SD+13 36 SD-13
3 SD+14 37 SD-14
4 SD+15 38 SD-15
5 SDP+1 39 SDP-1
6 SD+0 40 SD-0
7 SD+1 41 SD-1
8 SD+2 42 SD-2
9 SD+3 43 SD-3
10 SD+4 44 SD-4
11 SD+5 45 SD-5
12 SD+6 46 SD-6
13 SD+7 47 SD-7
14 SDP + 0 48 SDP - 0
15 GND 49 GND
16 DIFS 50 SENIN
17 TPWEX 51 TPWEX
18 TPWEX 52 TPWEX
19 NC 53 NC
20 GND 54 GND
21 SATN+ 55 SATN-
22 GND 56 GND
23 SBSY+ 57 SBSY-
24 SACK+ 58 SACK-
25 SRST+ 59 SRST-
26 SMSG+ 60 SMSG-
27 SSEL+ 61 SSEL-
28 SCD + 62 SCD-
29 SREQ+ 63 SREQ-
30 SIO+ 64 SIO-
31 SD+8 65 SD-8
32 SD+9 66 SD-9
33 SD+10 67 SD-10
34 SD+11 68 SD-11