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Hardware Configuration
ROBO-8773VG User’s Manual
2-7
J18/J24: Primary/Secondary SATA Connector
PIN No.
Signal Description
1 Ground
2
(SATATXP)
3 SATATX-
(SATATXN)
4 Ground
5 SATARX-
(SATARXN)
6
(SATARXP)
7 Ground
J19: General Purpose I/O Connector
PIN No.
Signal Description
1
General Purpose I/O Port 0 (GPIO0)
2
General Purpose I/O Port 1 (GPIO1)
3
General Purpose I/O Port 2 (GPIO2)
4
General Purpose I/O Port 3 (GPIO3)
5 Ground
6
General Purpose I/O Port 4 (GPIO4)
7
General Purpose I/O Port 5 (GPIO5)
8
General Purpose I/O Port 6 (GPIO6)
9
General Purpose I/O Port 7 (GPIO7)
10 +5V
Note:
All General Purpose I/O ports can only apply to standard TTL ± 5% signal level
(0V/5V), and each source sink capacity up to 12mA.
J20: COM2 Serial Port 2 Connector
PIN No.
Signal Description
RS-232
1
DCD (Data Carrier Detect)
2
RXD (Receive Data)
3
TXD (Transmit Data)
4
DTR (Data Terminal Ready)
5 GND
(Ground)
6
DSR (Data Set Ready)
7
RTS (Request to Send)
8
CTS (Clear to Send)
9
RI (Ring Indicator)
10
N/C