SECOnITX-ION
User Manual
- Rev. First Edition: 0.1 - Last Edition: 1.2 - Author: S.B. - Reviewed by G.M.
Copyright © 2011 SECO s.r.l.
SECOnITX-ION
pag. 22
3.3.2 S-ATA connectors
For the connection of external Mass Storage Devices, there are two standard S-ATA connectors.
S-ATA Channel 0 is carried on connector CN3 and S-ATA Channel 1 is present on connector CN4.
S-ATA connectors
– CN3 & CN4
Pin
Signal
1
GND
2
S
3
SATAx_Tx-
4
GND
5
SATAx_Rx-
6
S
7
GND
3.3.3 Serial Port COM1
Managed directly by NVIDIA
®
MMP9 Embedded ION chipset, onboard there is an RS-232
compliant serial port
Signals for this serial port (COM1) are reported on a 10 pin Dual Row, male connector, p2.54mm,
type AMTEK BH2S-10GB-U or equivalent, with pinout reported in the following table.
COM1 Connector - CN11
Pin
Signal
Pin
Signal
1
DCD_1
2
DSR_1
3
RX_1
4
RTS_1
5
TX_1
6
CTS_1
7
DTR_1
8
N.C.
9
GND
10
GND
Serial port COM1 can also be configured, via SW, to work in RS-485mode.
In this case, signals for RS-485 port are carried out on a 3 pin p2mm connector type MOLEX
89400-0320 or equivalent, with the following pin-out.
COM1 RS-485 connector - CN34
Pin
Signal
1
RS_485-
2
3
GND
