Specifications

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2-15. HARD DISK DRIVE CONNECTOR (IDE1, IDE2)
IDE1: Hard Disk Drive Connector (IDE1, IDE2)
The AR-B1684 possesses two HDD connectors, IDE1 and IDE2. The pin assignments are as
follows:
1
2
40
39
2-16. SPEAKER/BUZZER (SPK)
1. VCC
2. NC
3. BUZZER
4. SPKR
3-4 on (Factory Default Setting)
Enable Internal Buzzer
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 IDEDRQA 22 GROUND
23 -LOW A 24 GROUND
25 -LOR A 26 GROUND
27 -CHRDY A 28 GROUND
29 DACKA 30 GROUND
31 -IRQ 14 32 NOT USED
33 SA 1 34 NOT USED
35 SA 0 36 SA2
37 CS 0 38 SA1
39 HD LED A 40 NOT USED