On Thu, 16 Apr 1998, Stephen Schaefer-NCS Sr SE wrote:
> The Boca 8 port card is OK for terminals and printers: it comes with 8
> six-wire RJ-11 cables, and RJ-11 to DB-25 ends for each cable. The ends
> are wired in a somewhat odd arrangement such that RTS/CTS works fine for
> terminals and printers, but if you add a null modem adapter, the hardware
> flow control doesn't make it through that second inversion, and you have
> to use Xon/Xoff flow control. Four of the ports go to one 16550A chip,
> the other four go to the second 16550A. Red Hat kernels work with it
> without any extra configuration, although you'll need to use the setserial
> command to enable them (and notify the kernel of the IRQ you selected?).
> I paid $130 for mine 5 years ago; the price should be lower now :-).
>
Boca also makes the ATIO66 which is a six port
card *with* all signals required for a modem. You
can jumper it to use a single IRQ for each port or
share a single IRQ for all six ports. It can be
had for about $89.
--
John Darrah (u05192) | Dept: N/C Programming
Giddens Industries |
PO box 3190 | Ph: (206) 767-4212 #229
Everett WA 98203 | Fx: (206) 764-9639
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