RadiSys EPC-2102 P5000HX2 Series, Service Manual

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EPC-2102 Single-Board Computer
10 Service Manual
Step 2: Check Switch Settings
Overview
After you check the jumper settings, check the switch block on the EPC-2102 for proper
settings (
Figure 4 ).
Switch Block
The switch block contains four DIP switches that you can configure to affect the following
items:
•
Default monitor type
•
On-board ROM access
•
CMOS RAM
•
Configuration ports
Settings
Table 3. Switch Settings
SW1-1
Default Monitor Type
Open Monochrome monitor
Closed (default) Color monitor
SW1-2
On-Board ROM Access
Open (default) Flash memory enabled;
auxiliary ROM mode disabled
Closed Flash memory disabled;
auxiliary ROM mode enabled
SW1-3
CMOS RAM
Open (default) Normal operation of CMOS RAM
Closed Factory default values for the
Setup Utility are loaded into
CMOS RAM
SW1-4
Configuration Ports
Open (default) Configuration ports are mapped to
I/O address 270/271
Closed Configuration ports are mapped to
I/O address 370/371
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