3.4 PCI E-IDE Drive Connector
Two standard 40pin header daisy chain drive connectors provide as
CN8 and CN9 with following pin assignment. A total four IDE disk
(Integrated Device Electronics) drivers may be connected.
CN8: Primary IDE Connector
PIN NO.
Description
1
Reset
3
DATA 7
5
DATA 6
7
DATA 5
9
DATA 4
11
DATA 3
13
DATA 2
15
DATA 1
17
DATA 0
19
GND
21
NC
23
IOW#
25
IOR#
27
NC
29
NC
31
Interrupt
33
SA 1
35
SA 0
37
HDC CS0
39
HDD ACTIVE
22
PIN NO.
Description
2
GND
4
DATA 8
6
DATA 9
8
DATA 10
10
DATA 11
12
DATA 12
14
DATA 13
16
DATA 14
18
DATA 15
20
22
GND
24
GND
26
GND
28
BALE - DEFAULT
30
GND# -DEFAULT
32
IOCS16#-DEFAULT
34
36
SA 2
38
HDC CS1#
40
GND
NC
NC