identify Sealevel chipsets

Sealevel Systems Inc [PCI vendor ID 135E]

[7101] Single Port RS-232/422/485/530
[7201] Dual Port RS-232/422/485 Interface
[7202] Dual Port RS-232 Interface
[7401] Four Port RS-232 Interface
[7402] Four Port RS-422/485 Interface
[7801] Eight Port RS-232 Interface
[8001] 8001 Digital I/O Adapter