User Manual

Page 37
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 Postion 1 Postion 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 Postion 1 Postion 2 Comment
+5V ON OFF default
3.3V OFF ON