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4.1.5.7. IDE1/IDE2: Primary/Secondary HDD
The PC620 provides 2 sets of 40-pin IDE connectors. The
built-in high speed PCI IDE controller supports both PIO and
ATA 100 mode. Up to four IDE devices can be connected,
including large hard disks, CD-ROM drives and other IDE
devices. Their corresponding pin assignments are listed
below:
Pin # Signal
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
IDEREQ
23
IOW#
25
IOR#
27
ICHRDY#
29
DACK
31
IDEIRQ
33
A1
35
A0
37
IDECS0
39
HDD LED
LIBRA 120 III (PC620 Intel 815E)
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User Manual version 2503
Pin # Signal
2
GND
4
DATA 8
6
DATA 9
8
DATA10
10
DATA11
12
DATA12
14
DATA13
16
DATA14
18
DATA15
20
NC
22
GND
24
GND
26
GND
28
GND
30
GND
32
NC
34
LID
36
A2
38
IDECS1
40
GND
4-57
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