Brainboxes PX-420 interface cards/adapter

PCI Express card provides 4 industry standard 9 pin RS232 serial COM ports, fits in any PCI Express slot e.g., x1, x4, x8 or x16 lanes.
- Fits in x1, x4, x8 or x16 PCI Express expansion slot
- 256 Byte FIFOs with user definable trigger level
- 921,600 baud, true megabaud line drivers
- Drivers for all popular operating systems
- Sample Programs, Test & Terminal software - all with source code.