EKF PC7-FESTIVAL, User Manual

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User Guide • PC7-FESTIVAL • CompactPCI® PlusIO CPU Board
Configuration Jumpers
Loading UEFI/BIOS Setup Defaults/IEEE 1588 Pulse per Second (J-GP)
The jumper J-GP may be used to reset the UEFI/BIOS configuration settings to a default state. The
UEFI/BIOS on PC7-FESTIVAL stores most of its settings in an area within the UEFI/BIOS flash, e.g.
the actual boot devices. Using the jumper J-GP is only necessary, if it is not possible to enter the
setup of the UEFI/BIOS. To reset the settings mount a jumper on J-GP and perform a system reset.
As long as the jumper is stuffed the UEFI/BIOS will use the default configuration values after any
system reset. To get normal operation again, the jumper has to be removed.
There is also an alternate function available on J-GP. Pin 1 of this jumper carries a Pulse per Second
(PPS) signal according the IEEE 1588 specification when enabled by UEFI/BIOS settings. A wire
may be connected to trigger events on external devices.
Note: The PPS signal can be gripped at the CompactPCI® PlusIO connector J2 pin D14.
J-GP Function
Jumper removed
1)
Normal operation
Jumper installed UEFI/BIOS configuration reset performed
1) This setting is the factory default
J-GP
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