Bios Console Redirection; Dos Console Redirection; Post (Power-On Self-Test); Tab. 1 Bios Console Redirection - syslogic IPC/NETIPCFW-1A User Documentation

IPC/NETIPCFW-1A: User Documentation
DOC/NETIPCFW-E; V3.0
4.1.3.

BIOS Console Redirection

In the Embedded BIOS the console function is separated into a „console I/O" and a „set up
I/O". The I/O's can be redirected independently and also depend from the start up mode of the
NETIPC board. The relationsship is as follows:
Start-Up Mode Console I/O to:
RUN 0: Video (factory set)
1: COM1
2: COM2
3: COM3
4: COM4
Boot Loader -
Boot Loader -
Diagnostics
BIOS Diagnostics 0: Video (factory set)
1: COM1
2: COM2
3: COM3
4: COM4
Tab. 1 BIOS Console Redirection
4.1.4.

DOS Console Redirection

In the operating system (e.g. DOS) the console can additionally be redirected (e.g. to a „remote
console" service via serial link or via Ethernet-TCP/IP). Warning: whenever a DOS-console
redirection is enabled, the Embedded BIOS redirection should be 0.
4.2.

POST (Power-On Self-Test)

The POST (= Power-On Self-Test) is a resident firmware (part of the BIOS) which is executed
each time the NETIPC board is powered on or is RESET. The POST executes a number of
hardware tests (memory check, interrupt structure, etc.). If the POST does not find any errors or
malfunctions, the operating system and applications programs are started. If, however, the
POST finds errors or malfunctions, it communicates via two mechanisms with the user:
Fatal Errors: the RED LED on the front flashes ON-OFF
Notes:
a) the number of OFF-pulses after the pause indicates the POST error-code (see Tab. 2);
b) the target will not continue. i.e. it will not boot the BIOS and/or the operating system !
Soft Errors: If a soft error is found, it will be displayed at the end of the POST on the standard
system console.
Note: during its execution, the POST writes its progress to the output port 0x80. The sequence
of result codes written into this port is listed in the Tab. 3. By using a special hardware
listening and logging the arriving progress codes on the port 0x80, the progress can be
monitored.
© Syslogic Datentechnik AG, CH-5400 Baden, Switzerland, http://www.syslogic.ch
Set-Up I/O to:
0: Video (factory set)
1: COM1
2: COM2
3: COM3
4: COM4
COM1 (factory set)
COM1 (factory set)
0: Video (factory set)
1: COM1
2: COM2
3: COM3
4: COM4
Remarks
0 (= Video) requires
connection of
video/keyboard
devices or a redirection
in DOS
cannot be redirected
cannot be redirected
0 (= Video) requires
connection of
video/keyboard
devices or a redirection
in DOS
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