14
1.2 IDE Disk Drive Connector
You can attach two IDE (Integrated Device Electronics) hard disk drives to the
WAFER-4821 internal controller. The board comes equipped with a 44-pin
flat-cable connector. The detailed pin assignment of the connector is specified as
following table:
•
CN1: IDE Interface Connector
PIN Description PIN
Description
1 RESET#
2 GROUND
3
DATA 7
4
DATA 8
5
DATA 6
6
DATA 9
7
DATA 5
8
DATA 10
9
DATA 4
10
DATA 11
11
DATA 3
12
DATA 12
13
DATA 2
14
DATA 13
15
DATA 1
16
DATA 14
17
DATA 0
18
DATA 15
19 GND
20 N/C
21 N/C
22 GROUND
23 IOW#
24 GROUND
25 IOR#
26 GROUND
27 IDE
CHRDY
28 BALE
29 N/C
30 GROUND
31 IRQ14
32 IOCS16
33 SA
1
34 N/C
35 SA
0
36 SA2
37
HDC CS0#
38
HDC CS1#
39 HDD
ACTIVE#
40 GROUND
41 VCC
42 VCC
43 GND
44 VCC
