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Pin
Signal
8
DD10
9
DD4
10
DD11
11
DD3
12
DD12
13
DD2
14
DD13
15
DD1
16
DD14
17
DD0
18
DD15
19
GND
20
KEY
21
DMARQ
22
GND
23
/DIOW
24
GND
25
/DIOR
26
GND
27
IORDY
28
GND
29
/DMACK
30
GND
31
INTRQ
32
/IOCS 16
33
DA1
34
NC
35
DA0
36
DA2
37
/IDE_CS0
38
/IDE_CS1
39
/ACTIVE
40
GND
41
+5VL
Pinouts of internal connectors
I/O
Description
I/O
Data 10.
I/O
Data 4.
I/O
Data 11.
I/O
Data 3.
I/O
Data 12.
I/O
Data 2.
I/O
Data 13.
I/O
Data 1.
I/O
Data 14.
I/O
Data 0.
I/O
Data 15.
-
Ground.
-
Key.
O
DMA request.
-
Ground.
O
Write strobe.
-
Ground.
O
Read strobe.
-
Ground.
I
I/O ready.
-
Ground.
I
DMA acknowledge.
-
Ground.
I
Interrupt request.
-
IO ChipSelect 16.
O
Address 1.
-
Not connected.
O
Address 0.
O
Address 2.
O
(1F0-1F7).
O
(3F6-3F7).
O
Led driver.
-
Ground.
O
+5 V
(Logic).
dc
181
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