Supported serial hardware

# 2 Supported serial hardware

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Linux supports, (ie is known to work with):

- standard PC serial boards
- standard PC internal modems

Multiport serial boards:

- Usenet Serial Board II
- Boca 4-port (BB-1004)
- Boca 8-port (BB-1008)
- Boca 16-port (BB-2016)
- AST FourPort boards and clones
- Accent Async boards
- Bell Technologies HUB6
- STB-4COM

In general, Linux will support any serial board which uses a 8250, 16450, 16550, or 16550A (or compatible) UART, or an internal modem which emulates one of the above UARTs.

Linux does not currently support any intelligent serial boards, but will likely do so sometime in the future.

Special note on the BB-1004 and BB-1008, they do not support DCD and RI lines, and thus are not usable for dialin modems. They will work fine for all other purposes.

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