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6.01.2 IDE CONNECTOR PINOUT
TABLE 6-1: IDE Hard Disk Connector (J1) - Pinout
Pin
Signal
Number
Flow
1
I
3
I/O
5
I/O
7
I/O
9
I/O
11
I/O
13
I/O
15
I/O
17
I/O
19
-
21
-
23
I
25
I
27
O
29
-
31
O
33
I
35
I
37
I
39
O
* Active low signal
6.01.3 IDE HOOK-UP
For the hook-up, a 40-pin dual row header signal connector is required. This connector
handles all command, data and status I/O lines. Its recommended maximum cable length
is 18-24 inches. It connects directly with the onboard 40-pin male header connector at J1.
The drive itself can be mounted in any horizontal or vertical plane.
For a list of recommended devices and connectors, see Appendix E - RECOMMENDED
DEVICES & MATING CONNECTORS.
Installing IDE, Floppy & SCSI Devices
Signal
Pin
Number
RESET*
2
HD7
4
HD6
6
HD5
8
HD4
10
HD3
12
HD2
14
HD1
16
HD0
18
GND
20
Not Used
22
IOW*
24
IOR*
26
IOCHRDY
28
Not Used
30
IRQ14
32
SA1
34
SA0
36
CS0*
38
ACTIVE*
40
6-2
Signal
Signal
Flow
-
GND
I/O
HD8
I/O
HD9
I/O
HD10
I/O
HD11
I/O
HD12
I/O
HD13
I/O
HD14
I/O
HD15
-
Not Used
-
GND
-
GND
-
GND
I
BALE
-
GND
O
IOCS16*
-
Not Used
I
SA2
I
CS1*
-
GND
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