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NEX 6620A User's Guide
CN10, CN11 : IDE Connector
Pin No.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
Switches and Connectors
Description
Reset #
Data 7
Data 6
Data 5
Data 4
Data 3
Data 2
Data 1
Data 0
Ground
DMA REQ
IOW
IOR
IOCHRDY
DMA ACK
Interrupt 14
Disk Address 1
Disk Address 0
HDC CS100
HDD Active Led
Pin No.
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
Rev. B0
0301
Description
Ground
Data 8
Data 9
Data 10
Data 11
Data 12
Data 13
Data 14
Data 15
NC
Ground
Ground
Ground
Pull Down
Ground
NC
DMA66 Detect
Disk Address 2
HDC CS300
Ground
2-7
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