Specifications

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