AT3550 User Guide V1.00
February 11, 2005
page 10 of 16
3.3.1 IDE CONNECTOR PHYSICAL ORIENTATION
The diagram below depicts connector orientation and location.
3.3.2 IDE CONNECTOR PINOUT
The following table depicts the 40-pin, 0.1 inch signal cable interface pin out.
PIN SIGNAL PIN SIGNAL
1 RESET-
2 GND
3 DATA7
4 DATA8
5 DATA6
6 DATA9
7 DATA5
8 DATA10
9 DATA4
10
DATA11
11 DATA3
12 DATA12
13 DATA2
14 DATA13
15 DATA1
16 DATA14
17 DATA0
18 DATA15
19
GND
20 KEY (NO PIN)
21 DRQ
22 GND
23 IOW-
24 GND
25 IOR-
26 GND
27 IOCHRDY
28 CSEL
29 DACK-
30 GND
31 IRQ
32 IOCS16-
33 ADDR1
34 PDIAG-
35 ADDR0
36 ADDR2
37 CS0-
38 CS1-
39 DASP-
40 GND
