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BIOS Setup Screen
The EPC-23 BIOS contains a setup function to display and alter the system
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configuration. This configuration information is maintained in the EPC's battery-
backed CMOS RAM and is used by the BIOS to initialize the system hardware.
The setup function can be invoked any time after the POST completes and first clears
the screen. Simultaneously press the CTRL+ALT+ESC keys. This may be done
during system operation in most, but not all circumstances. Some programs that take
control of the keyboard at a low level, such as Microsoft Windows, cause this key
sequence to be interpreted differently, or not at all. It should always work, however,
when the DOS operating system prompt is shown on the screen. The main setup
screen displays similar to the following:
RadiSys EPC-23 CMOS Setup, BIOS V3.06
486SL, 4 MBytes memory
Date (mm/dd/yy) ............. 01/12/90
Time (hh:mm:ss) ............. 09:34:56
Configuration Errors ........ Halt on all errors
Diskette Drive A ............ 1.4M 3.5 inch
Diskette Drive B ............ None
Fixed Disk Drive C .... AT
Fixed Disk Drive D .... None
Com1: ........................ Enabled
Com2: ........................ Enabled
Cache ........................ Enabled
Quick Boot .................. Disabled
Available EXM Slots ......... 8 slots
Use the up and down cursor (arrow) keys to move from field to field. For most
fields, once the cursor is positioned at the field, pressing the left and right cursor
(arrow) keys will scroll through the available choices. Once the screen has been
changed to appear as you desire, press the F10 function key to save the changes in
battery-backed CMOS RAM. Then press the F5 function key to confirm the changes
and reboot, F1 to confirm changes but not reboot or ESC to ignore any changes and
exit. Each field is explained below.
Date and Time
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EPC-23 Hardware Reference
F2
= EXM Menu
F3
= Fixed Disk Menu
F10
= Save CMOS and EXM data
ESC
= Exit without saving
↵
↑ ↓
move between items
← →
select values
Figure 3. EXM Main Setup Screen.
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