IBM 6580 Product Support Manual page 76

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CABLES, CONNECTORS, AND TEST POINTS - Figure 21
System Card Connector 81.
Electronics Module
~Panel1
-
I
Note: All Panel 1 Connectors are shown from the outside
0
IT
I
rear view of the Electronics Module. All other connectors
I
are shown from the wiring side.
1
S1
Diskette Unit
2
I
I~~
rm~1
I
Diskette Unit
Signal Cable
.,
I
3 '"
B1
~
0
~
I ~Eml
I I
4
Internal Diskette
[tl
"
C
0-
0
5
Signal Cable
e
~ I
'~~~~;~
.
.,
·c
"
1 5 19
6A
,e ~
I
~
.,
~ooooooooooooooooo~
6B
0 W I
00000000000000000
--"..
,
7 I
20 Male 37
13 24
S2
19 :
S1 Conn/Pin Conn/Pin Identification
S1 Conn/Pin
Conn/Pin Identification
'--..... 0 I
I
1
- -
-
23
-
-
I
2
- -
24
-
-
-
3
-
-
-
25
4
- -
-
26
- -
6
5-5
-
Address 6 it 8
27 5-34
B1-9
Data Bus Bit 6
6 5-20
-
DMA ReqYl!St Receive
28 5-1
-
DMA Acknowledge Receive
7
- -
-
29 5-4 5-13
-
Twisted Pair Ground
8 5-22
-
DMA Request Transmit
30 5-19
B1-24
Data Bus Bit 1
9
5-36 B1-11
Data Bus Bit 2
31 5-35
81-10 Data Bus Bit 4
10 5-37 81-12 Data Bus Bit 0
32
5-18 B1-23
Data Bus Bit 3
11 5-27 B1-2 Interrupt 4
33
5-7
-
Interrupt 7
12 5-26 Interrupt 1
34 5-10
B1-15
Diskette Ready
13 5-29 B1-4 DMA Request
35
5-11 B1-16
DMA Acknowledge
14 5-30
-
Reset
36
5-12
B1-17 Diskette Select
15 5-31 B1-6 I/O Read
37 5-9
B1-14 I/O Write
16 5-32 B1-7 Address Bit 4
38
5-14
B1-18 Address Bit 3
17
- - -
39 5-15
B1-2O
Address Bit 1
18
- - -
40
5-16 B1-21
Data Bus Bit 7
19
- - -
41 5-17
B1-22
Data Bus Bit 5
20 5-8
-
Select
42 5-28
B1-3
Terminal Count
21 5-33 B1-8 Address Bit 2
43 5-21
-
DMA Acknowledge Transmit
22
-
- -
44
-