AR-B1652 User’s Guide
9
2.2.3 Hard Disk (IDE) Connector (IDE1)
44 Pin Hard Disk Connector (IDE1)
The on-board 44-pin mini-pitched IDE interface is used to let user support either a 3.5" HDD with 44 to 40pin
adapter cable.
1 43
2 44
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 IDEDREQ 22 GROUND
23 -IOW
A
24 GROUND
25 -IOR
A
26 GROUND
27 IDEIORDYA
28 GROUND
29 -DACKA
30 GROUND
31 AINT
32 Not
Used
33 SA
1
34 Data33_66
35
SA 0
36
SA 2
37
CS 0
38
CS 1
39
HD LED A
40
GROUND
41 VCC
42 VCC
43 GROUND 44 Not
Used
2.2.4 FDD Port Connector (FDD1)
The AR-B1652 provides a 34-pin header type connector for supporting up to two floppy disk drives. To enable
or disable the floppy disk controller, please use the BIOS Setup program.
1 33
2 34
Pin
Signal
Pin
Signal
1-33(odd) GROUND 18 -DIRECTION
2
DRVEN 0
20
-STEP OUTPUT PULSE
4
NOT USED
22
-WRITE DATA
6
DRVEN 1
24
-WRITE ENABLE
8 -INDEX
26
-TRACK
0
10
-MOTOR ENABLE 0
28
-WRITE PROTECT
12
-DRIVE SELECT 1
30
-READ DATA
14
-DRIVE SELECT 0
32
-SIDE 1 SELECT
16
-MOTOR ENABLE 1
34
DISK CHANGE
