Ampro Corporation 486E User Manual
Page 46
Little Board™/486e Technical Manual
2–30
Table 2–25. IDE Drive Interface Connector (J12)
Pin
Signal Name
Function
In/Out
1
-HOST RESET
Reset signal from host
OUT
2
GND
Ground
OUT
3
HOST D7
Data bit 7
I/O
4
HOST D8
Data bit 8
I/O
5
HOST D6
Data bit 6
I/O
6
HOST D9
Data bit 9
I/O
7
HOST D5
Data bit 5
I/O
8
HOST D10
Data bit 10
I/O
9
HOST D4
Data bit 4
I/O
10
HOST D11
Data bit 11
I/O
11
HOST D3
Data bit 3
I/O
12
HOST D12
Data bit 12
I/O
13
HOST D2
Data bit 2
I/O
14
HOST D13
Data bit 13
I/O
15
HOST D1
Data bit 1
I/O
16
HOST D14
Data bit 14
I/O
17
HOST D0
Data bit 0
I/O
18
HOST D15
Data bit 15
I/O
19
GND
Ground
OUT
20
KEY
Keyed pin
N/C
21
RSVD
Reserved
N/C
22
GND
Ground
OUT
23
-HOST IOW
Write strobe
OUT
24
GND
Ground
OUT
25
-HOST IOR
Read strobe
OUT
26
GND
Ground
OUT
27
RSVD
Reserved
N/C
28
RSV
Reserved
N/C
29
RSVD
Reserved
N/C
30
GND
Ground
OUT
31
HOST IRQ14
Drive interrupt request
IN
32
RSVD
Reserved
N/C