Sun Microsystems Enterprise 250 Owner's Manual page 70

The table below shows the mapping of the PCI slots to the two PCI buses, and the
type of PCI cards supported in each slot.
Rear Panel
Slot Number
3
2
1
0
The following figure shows the PCI slots on the main logic board.
66 MHz, 3.3 V, 32/64 bit PCI/66
33 MHz, 5 V, 32/64 bit PCI
33 MHz, 5 V, 32/64 bit PCI
33 MHz, 5 V, 32/64 bit PCI
Configuration Rules
All slots support PCI universal cards.
All slots support PCI long or short cards.
Each slot can supply up to 16 watts of power. The total power used for all four slots
must not exceed 64 watts.
52 Sun Enterprise 250 Server Owner's Guide • June 1998
Connector
Label PCI Bus
PCI66-0 1
PCI33-2 0
PCI33-1 0
PCI33-0 0
Slot Width (bits)/ Clock Rates
Card Type (bits) (MHz)
64 / 32 or 64 33 and 66
64 / 32 or 64 33
64 / 32 or 64 33
64 / 32 or 64 33
DC Voltage/
Card Type
3.3 V & Univ
5 V & Univ
5 V & Univ
5 V & Univ