3 hard disk (ide) connector (ide1, ide2) – Acrosser AR-B1690 User Manual
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AR-B1690 User’s Guide
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2.2.3 Hard Disk (IDE) Connector (IDE1, IDE2)
(1) 40 Pin Hard Disk Connector (IDE1)
A 40-pin header type connector (IDE1) is provided to interface with up to two embedded hard disk drives
(IDE
PCI bus). This interface, through a 40-pin cable, allows the user to connect up to two drives in a “daisy
chain” fashion. To enable or disable the hard disk controller, please use the BIOS Setup program. The
following table illustrates the pin assignments of the hard disk drive’s 40-pin connector.
1 39
2 40
Pin
Signal
Pin
Signal
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 GROUND 20
NOT USED
21 DRQ
A 22
GROUND
23 -IOW
A 24
GROUND
25 -IOR
A 26
GROUND
27
-CHRDY A
28
NOT USED
29 DACK
A 30 GROUND
31
-IRQ A
32
NOT USED
33
SA 1
34
NOT USED
35
SA 0
36
SA 2
37
CS 0
38
CS 1
39
HD LED A
40
GROUND
(2) 44 Pin Hard Disk Connector (IDE2)
The on-board 44-pin mini-pitched IDE interface is used to let user support either a 2.5" HDD.
1 43
2 44