User's Manual

PMAC2A PC104 Hardware Reference Manual
E-Point Jumper Descriptions 31
E13: Power-Up/Reset Load Source
E Point and
Physical Layout
Location Description Default
E13
E5 Jump pin 1 to 2 to reload firmware through
serial or bus port.
Remove jumper for normal operation.
No jumper
E14: Watchdog Disable Jumper
E Point and
Physical Layout
Location Description Default
E14
B3 Jump pin 1 to 2 to disable Watchdog timer
(for test purposes only).
Remove jumper to enable Watchdog timer.
No jumper
E15A, B, C: Flash Memory Bank Select
E Point and
Physical Layout
Location Description Default
E15A
E15C
E4 Remove all 3 jumpers to select flash memory
bank with factory-installed firmware.
Use other configuration to select one of the 7
other flash memory banks.
No jumpers installed
E16: ADC Inputs Enable
E Point and
Physical Layout
Location Description Default
E16
D1 Jump pin 1 to 2 to enable the Option-12
ADC inputs.
Remove jumper to disable the ADC inputs,
which might be necessary for reading
current feedback signals from digital
amplifiers.
No jumper