2 serial ports (com2, com3, com4) – Acrosser AR-B1790 User Manual
Page 12
Advertising
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
Advertising