ALIX system board
13
5/5/2010
ALIX block diagram
Schematics are available online !
ALIX connector pinouts
References refer to ALIX.2 / ALIX.3 / ALIX.6.
J5/J3/ J5
COM1 serial port
The standard PC pinout is used. To connect to a PC, use a null modem or “Laplink” cable. Due to
limitations of the AMD CS5536 companion chip, only RXD / TXD are available for your software;
handshake signals cannot be observed or controlled !
1
DCD
data carrier detect (input)
- not available on CS5536
2
RXD#
receive data (input)
3
TXD#
transmit data (output)
4
DTR
data terminal ready (output)
- always driven active
5
GND
ground
6
DSR
data set ready (input)
- not available on CS5536
7
RTS
ready to send (output)
- always driven active
8
CTS
clear to send (input)
- not available on CS5536
9
RI
ring indicator (input)
- not available on CS5536
J14 / J17 / J19
COM1 serial port (3.3V levels, build option)
This header is available on alix.2d / alix.3d / alix.6b and later. This port is connected in parallel with
the MAX3243 RS-232 driver, remove this part if CMOS level serial port is desired as an alternative.
