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184
Appendix D: Technical reference
7
DD5
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
Data 5
I/O
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
Data 15
I/O
-
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
Address 1
O
-
Not connected
Address 0
O
O
Address 2
O
(1F0-1F7)
O
(3F6-3F7)
O
Led driver
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