36
6.10 SW4: PCI Interrupt Routing Select
Standard PCI routing is compliant with ETX specification rev 3.02, as below
In some cases (e.g. real time OS) PCI routing needs to be modified. This can be
done with
the SW4 switch. Note that ABCD is the default, standard ETX compliant setting
Switch Settings
PCI IRQ
Position 1
Position 2
Comment
ABCD ON
OFF default
DABC ON
ON
CDAB OFF
OFF
BCDA OFF
ON
6.11 SW3: PCI Voltage Level Selection
Switch Settings
PCIR
Position 1
Position 2
Comment
+5V ON OFF
3.3V OFF
ON default
