PCI SyncClock32 UNIV and PCI SyncClock32 cards can be installed in PCI-X 1.0 slots. The speed of the PCI-X bus segment will be limited to 33MHZ (-UNIV) or 66MHZ (-TURBO).
PCI-X 2.0 slots (266MHZ) use 2.5V signalling and will not accept the PCI SyncClock32 UNIV or PCI SyncClock32.