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SCSI BUS
7-8 C156-E228-02EN
01 G –DB0 02
03 G –DB1 04
05 G –DB2 06
07 G –DB3 08
09 G –DB4 10
11 G –DB5 12
13 G –DB6 14
15 G –DB7 16
17 G –DBP 18
19 G G 20
21 G G 22
23 G G 24
25 Open TERMPWR* 26
27 G G 28
29 G G 30
31 G –ATN 32
33 G G 34
35 G –BSY 36
37 G –ACK 38
39 G –RST 40
41 G –MSG 42
43 G –SEL 44
45 G –C/D 46
47 G –REQ 48
49 G –I/O 50
* Terminating resistor power supply (jumper selectable: input only, both input
and output, or open)
Figure 7.6 SCSI interface connector pin assignments (single-ended type)
Note that shielded end processing is not performed with the
connector on the main unit's optical disk unit for cables that use pin
No.9 as the shielded ground.