CyberStormPPC has a single-ended scsi-connector. Almost all SCSI-devices for Amiga are single-ended. UltraWideSCSI68 - pinouts Pin Single Differential Pin Single Differential Ended Ended 1 GND +DB12 35 -DB12 -DB12 2 GND +DB13 36 -DB13 -DB13 3 GND +DB14 37 -DB14 -DB14 4 GND +DB15 38 -DB15 -DB15 5 GND +PARITY1 39 -PARITY1 -PARITY1 6 GND GND 40 -DB0 GND 7 GND +DB0 41 -DB1 -DB0 8 GND +DB1 42 -DB2 -DB1 9 GND +DB2 43 -DB3 -DB2 10 GND +DB3 44 -DB4 -DB3 11 GND +DB4 45 -DB5 -DB4 12 GND +DB5 46 -DB6 -DB5 13 GND +DB6 47 -DB7 -DB6 14 GND +DB7 48 -PARITY -DB7 15 GND +PARITY 49 GND -PARITY 16 GND DIFFSENSE 50 GND GND 17 TERMPWR TERMPWR 51 TERMPWR TERMPWR 18 TERMPWR TERMPWR 52 TERMPWR TERMPWR 19 RESERVED RESERVED 53 RESERVED RESERVED 20 GND +ATN 54 GND -ATN 21 GND GND 55 -ATN GND 22 GND +BSY 56 GND -BSY 23 GND +ACK 57 -BSY -ACK 24 GND +RST 58 -ACK -RST 25 GND +MSG 59 -RST -MSG 26 GND +SEL 60 -MSG -SEL 27 GND +C/D 61 -SEL -C/D 28 GND +REQ 62 -C/D -REQ 29 GND +I/O 63 -REQ -I/O 30 GND GND 64 -I/O GND 31 GND +DB8 65 -DB8 -DB8 32 GND +DB9 66 -DB9 -DB9 33 GND +DB10 67 -DB10 -DB10 34 GND +DB11 68 -DB11 -DB11 SCSI50 - pinouts Pin Single Differential Pin Single Differential Ended Ended 1 GND GND 2 DB0 GND 3 GND +DB0 4 DB1 -DB0 5 GND +DB1 6 DB2 -DB1 7 GND +DB2 8 DB3 -DB2 9 GND +DB3 10 DB4 -DB3 11 GND +DB4 12 DB5 -DB4 13 GND +DB5 14 DB6 -DB5 15 GND +DB6 16 DB7 -DB6 17 GND +DB7 18 PARITY -DB7 19 GND +PARITY 20 GND -PARITY 21 GND DIFFSENSE 22 GND GND 23 GND RESERVED 24 GND RESERVED 25 NC TERMPWR 26 TERMPWR TERMPWR 27 GND RESERVED 28 GND RESERVED 29 GND +ATN 30 GND -ATN 31 GND GND 32 -ATN GND 33 GND +BSY 34 GND -BSY 35 GND +ACK 36 -BSY -ACK 37 GND +RST 38 -ACK -RST 39 GND +MSG 40 -RST -MSG 41 GND +SEL 42 -MSG -SEL 43 GND +C/D 44 -SEL -C/D 45 GND +REQ 46 -C/D -REQ 47 GND +I/O 48 -REQ -I/O 49 GND GND 50 -I/O GND