User`s guide

70
Mainboard Specifications
SCSI Port Pin Assignment
J8 Header Pin
Number
SCSI Port
Connector Pin
Number
Signal
2 2 SCD0, Data Bit 0
4 4 SCD1, Data Bit 1
6 6 SCD2, Data Bit 2
8 8 SCD3, Data Bit 3
10 10 SCD4, Data Bit 4
12 12 SCD5, Data Bit 5
14 14 SCD6, Data Bit 6
16 16 SCD7, Data Bit 7
18 18 SCDP, Parity
25 25 –, Open (not used)
26 26 TER_PWR, Termination
Power
1,3,5,7,9,11,13, (Same pin number GND, Ground
15,17,19-24,27-31, as mainboard header)
33-35,37,39,41,43,
45,47,49
32 32 ATN, Attention
36 36 BSY, Busy
38 38 ACK, Acknowledge
40 40 RST, Reset
42 42 MSG, Message
44 44 SEL, Select
46 46 CD, Control/Data
48 48 REQ, Request
50 50 IO, Input/Output