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6TECHNICAL
INFORMATION
SCSI interface board
- Connector of SCSI interface.
Type
shielded 50 pin
(2
54
mm
pitch) amphenol
connector
:
female
type.
When
the
SCSI interface
board is
shipped
from the factory,
all
switches are
set
to
the
correct addresses or settings.
Pin assignment
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Name
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
OPEN
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
26
1/0
No.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
SCSI
Name
1/0
DB0-
1/0
DB1-
1/0
DB2-
1/0
DB3-
1
/0
DB4-
1
/0
DB5-
1
/0
DB6-
1
/0
DB7-
1
/0
DBP-
1
/0
GND
GND
GND
TER
MPWR
-
GND
GND
ATN-
0
GND
BSY-
1/0
ACK-
0
RST-
1/0
MSG-
I
SEL-
1/0
CJD-
I
REO-
I
1/0-
I
50
25
For
detailed technical
information
refer to the technical manual
for
the
COi
180/CDI
181/CDI
182.
System RAM extension board
When the
RAM
extension
boa
rd is
sh ipped from
the
factory,
all switches are set
to the
correct start addresses.
DIP SW 1
:
start address of RAM bank 1
DIP SW 2 :
st
art address
of RAM
bank 2
For
detailed
technical
information refer to the technical manual
for
the CDI
180/CDI
181/CDI
182.
12
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