The NorthBridge Semiconductor A63233T:
High performance 32bit, 33Mhz  target only PCI interface chip which is fully compatible with the PCI 2.2 specification.

The NorthBridge Semiconductor A6PCUxx family:
Single chip multi-channel UARTs with an integrated PCI interface. The family includes 3 devices; the 8 channel A6PCU08, the 16 channel A6PCU16 and the 32 channel A6PCU32.

The NorthBridge Semiconductor A6MUxx Family:
Single chip multi-channel UARTs with an integrated Motorola/Intel CPU bus interface. The family includes 3 devices; the 8 channel A6MU08, the 16 channel A6MU16 and the 32 channel A6MU32.

NorthBridge Technology Semiconductor