Fujitsu D1837 Technical Manual page 23

Pin assignment of internal ports
IDE/ATA interface
Pin
1 Reset drive (low asserted)
3
5
7
9
11
13
15
17
19
21
23
25
27 I/O ready (low asserted)
29
31
33
35
37
39 IDE-LED (low asserted)
Audio S/PDIF (optional)
Pin
1
2
3
14 - English
Signal
Data 7 (high asserted)
Data 6 (high asserted)
Data 5 (high asserted)
Data 4 (high asserted)
Data 3 (high asserted)
Data 2 (high asserted)
Data 1 (high asserted)
Data 0 (high asserted)
GND
DRQ (high asserted)
I/O write (low asserted)
I/O read (low asserted)
DAK (low asserted)
IRQ (high asserted)
ADR 1 (high asserted)
ADR 0 (high asserted)
CS 1 (low asserted)
2
1
Pin
2
4 Data 8 (high asserted)
6 Data 9 (high asserted)
8 Data 10 (high asserted)
10 Data 11 (high asserted)
12 Data 12 (high asserted)
14 Data 13 (high asserted)
16 Data 14 (high asserted)
18 Data 15 (high asserted)
20
22
24
26
28
30
32
34 ATA66 Detect (low asserted)
36 ADR 2 (high asserted)
38
40
Signal
VCC
SPDIF out
GND
A26361-D1837-Z120-1-7419, Edition 1
Signal
GND
Key
GND
GND
GND
Cable select
GND
not connected
CS 3 (low asserted)
GND
1