Instruction Manual

11
•
IDE 2: Second IDE Connector
AR-B1790 also provides IDE interface 44-pin connector to connect with the hard disk device.
43
44
1
2
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 N.C
21 SDDREQ 22 GROUND
23 -SOIOW 24 GROUND
25 -SOIOR 26 GROUND
27 SIORDY 28 GROUND
29 -SDDACK 30 GROUND
31 IRQ15 32 GROUND
33 SDA1 34 SD66/100
35 SDA0 36 SDA2
37 -SDCS1 38 -SDCS3
39 HLEDS 40 GROUND
41 VCC 42 VCC
43 GROUND 44 N.C
3.2 SERIAL PORTS (COM2, COM3, COM4)
1
10 2
9
PIN Signal PIN Signal
1 /DCD 2 /DSR
3 RXD 4 /RTS
5 TXD 6 /CTS
7 /DTR 8 /RI
9 GND 10 COM VOLTAGE