ADLINK CT-61 - Manual (Page 36)

26 Board Interfaces
Table 4-8: Mode Switch Settings
PMC Bandwidth/Clock Switch (SW3)
Switch SW3 allows the user to force the PCI bus to lower band-
width and clock settings. All are set OFF by default to support
PCI-X mode up to 64bit/133MHz maximum with the bandwidth
and clock determined by the PCI device attached.
Table 4-9: PMC Bandwidth/Clock Switch Settings
3
OFF
The CT-61 cannot boot-up when installed in a peripheral slot if
there is no host board in the system slot.
ON
The CT-61 is able to boot-up when installed in a peripheral slot if
there is no host board in the system slot. The CT-61 behaves as a
system board in all slots. (Set this pin to "ON" if the CT-61 is
installed in a blade server backplane).
4
OFF
The CT-61 power on/off is state is controlled by the ejector handle
state.
ON Force the ejector handle state to "closed".
PIN ON OFF
1 Force the PCI bandwidth to 32bit
Auto Negotiation
2 Force the PCI clock to 66MHz
3
Force the PCI bus to PCI mode
(no PCI-X mode support)
4
Force the PCI clock to
PCI-X 100MHz
Pin# Status Description