The first thing you will need to do is setup a global configuration file for minicom. This will need to be done as root. The example message is seen below.
minicom: there is no global configuration file /etc/minirc.dfl
Ask your sysadm to create one (with minicom -s).
Create a Global Configuration
Start minicom as root to setup the global configuration.
You will see this information that will need to be completed.
x A - Download directory :
│ B - Upload directory :
│ C - Script directory :
│ D - Script program : runscript
│ E - Kermit program :
│ F - Logging
Change which setting?
Create the directories that are needed by typing the appropriate letter and entering the information. Here is an example:
│ A - Download directory : /home/mike/minicom/down │
│ B - Upload directory : /home/mike/minicom/up │
│ C - Script directory : /home/mike/minicom/script │
│ D - Script program : runscript │
│ E - Kermit program : │
│ F - Logging options │
│ Filenames and paths │
│ File transfer protocols │
│ Serial port setup │
│ Modem and dialing │
│ Screen and keyboard │
│ Save setup as dfl │
│ Save setup as.. │
│ Exit │
│ Exit from Minicom │
Save your setup. Now you are ready to configure com ports.
Start minicom As root start mnicom to setup a serial port.
Now select Serial port setup. Select A and change:
Serial Device /dev/ttyS0
Note that S0 is the first com port. Select E and change speed to 9600. Go back to main menu and Save Setup as
Access Com 1
Now that the com1 settings have been created, you may access com1 as root by using this command:
If the password has been enabled you will see:
Press RETURN to get started
User Acccess Verification
Enter the password that you created.
Change Serial Speed
In order to change serial speed, choose Serial Port Setup on the main menu and then select E.
Serial Port Setup
│ A - Serial Device : /dev/ttyS1 │
│ B - Lockfile Location : /var/lock │
│ C - Callin Program : │
│ D - Callout Program : │
│ E - Bps/Par/Bits : 38400 8N1 │
│ F - Hardware Flow Control : Yes │
│ G - Software Flow Control : No │
│ Change which setting?
Compiled on Jun 15 2 Current: 38400 8N1
Press CTRL-A Z for h Speed Parity Data
A: 300 L: None S: 5
B: 1200 M: Even T: 6
C: 2400 N: Odd U: 7
D: 4800 O: Mark V: 8
E: 9600 P: Space
F: 19200 Stopbits
G: 38400 W: 1
H: 57600 X: 2
I: 115200 Q: 8-N-1
J: 230400 R: 7-E-1
Choice, or <Enter> to exit?
Make your choices and then save.
Main Menu Options
Once minicom begins you can use CTRL+A Z to view the main menu. From that point you may choose a Function to modify minicom settings.
Welcome to minicom 2.00.0
OPTIONS: History Buffer, F-key Macros, Search History Buffer, I18n
Compiled on Jun 15 2004, 20:45:27.
Press CTRL-A Z for help on special keys
Minicom Command Summary
Commands can be called by CTRL-A <key>
Main Functions Other Functions
│ Dialing directory..D run script (Go)....G |Clear Screen.......C │
│ Send files.........S Receive files......R | cOnfigure Minicom..O │
│ comm Parameters....P Add linefeed.......A | Suspend minicom....J │
│ Capture on/off.....L Hangup.............H | eXit and reset.....X │
│ send break.........F initialize Modem...M | Quit with no reset.Q │
│ Terminal settings..T run Kermit.........K | Cursor key mode....I │
│ lineWrap on/off....W local Echo on/off..E | Help screen........Z │
│ | scroll Back........B │
Select function or press Enter for none.
│ Written by Miquel van Smoorenburg 1991-1995
│ Some additions by Jukka Lahtinen 1997-2000
│ i18n by Arnaldo Carvalho de Melo 1998