Configuration Switches; Figure 7. Location Of Sw1 Configuration Switch Block; Table 2: Switch Setting Summary - VersaLogic BayCat VL-EPM-31ECP Hardware Reference Manual

Configuration Switches

Figure 7 shows the as-shipped switch configuration with all switches in the Off position. The Off
position is toward the center of the board.
SW1 Switch
Position
Position 1
Position 2
Position 3
Position 4
Position 5
Position 6
EPM-31 Hardware Reference Manual

Figure 7. Location of SW1 Configuration Switch Block

Table 2: Switch Setting Summary

Clears non-volatile RAM and clears resets real-time clock registers (see page 21)
Off – Normal operation (default)
On – Clears battery backed up non-volatile memory bytes 0xE-0x7F and clears battery
backed-up RTC registers
No Battery Switch (see Integrator's Note below)
Off – A battery is being used (default)
On – A battery is not being used
Reset BIOS to factory defaults (see page 21)
Off – Normal operation (default)
On – Resets BIOS to factory defaults when the board boots.
For factory use only. Always leave in the Off position.
SPI Flash Security – Not supported. Leave in the Off position.
BIOS select
Off – Primary BIOS (default)
On – Backup BIOS
Description
Configuration and Setup
20