Annex
Pin Out of the 26 pos. ACSI/SCSI Connector
Pin No. Function
1 Data Bus Bit D7
2 GND
3 Data Bus Bit D6
4 SCSI_ATNn
5 Data Bus Bit D5
6 GND
7 Data Bus Bit D4
8 GND
9 Data Bus Bit D3
10 SCSI_DPn
11 Data Bus Bit D2
12 GND
13 Data Bus Bit D1
14 GND
15 Data Bus Bit D0
16 GND
17 ACSI_SCSIn
18 SCSI_IOn
19 VCC
20 ACKn
21 REQn
22 CSn_DCn
23 RSTn
24 CA1_MSGn
25 INTn_BUSYn
26 CRWn_SELn
Table 3: Pin Out of the 26 pos. HD-D-SUB
Remark: The pin numbers are normally marked on the D-SUB connectors. If not, take care of the
fact that the numbering is ascending in comparison to other headers, and not alternating, but row-
wise.
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