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- Newsgroups: comp.os.os2.misc
- Path: sparky!uunet!timbuk.cray.com!walter.cray.com!sedist!alheid
- From: alheid@sedist.cray.com (Greg Alheid)
- Subject: Re: COM cards with IRQ > 7 for ISA ?
- Message-ID: <1992Aug25.203913.2513@walter.cray.com>
- Sender: alheid@sedist (Greg Alheid)
- Organization: Cray Research, Inc.
- References: <1992Aug12.160439.14650@kakwa.ucs.ualberta.ca>
- Date: 25 Aug 92 20:39:13 CDT
- Lines: 37
-
- kurtk@ee.ualberta.ca (Kurt Klingbeil) writes:
- |> Is there such a thing ? I'm not talking about the multi $100, 4-or-8 port
- |> proprietary jobs that require special drivers, and are usually used for
- |> multi-user systems. I mean a regular rinkeydink COM card with a '16-bit'
- |> card edge that allows jumpering the IRQ up into the 9-15 region...
- |>
- |> A related thing I'm curious about... does the 16550 UART have a buffer
- |> only on the receive side, or is there one on the Tx side as well ?
- |> It seems almost too obvious to ask, but that would be a way to get around
- |> the 1k interrupt/second limitation...
- |>
- |> Perhaps, before long, there will be a 'C' release of that chip?
- |>
- |> -- k(sup)2
-
- and jshelby@ccwf.cc.utexas.edu (Jerold A. Shelby) replies:
- |> You might try Sealevel Systems inc at (803)843-4343. They have a number
- |> of serial cards that might fill your needs.
- |>
- |> Sorry, I don't know about the UART's receive/transmit buffers.
- |>
- |> Jerry Shelby
- |> UT Austin
- |> jshelby@ccwf.cc.utexas.edu
-
- Besides Sealevel Systems, B&B Electronics has one as well. Both
- of their cards have two COM ports and allow for interrupts >7. If
- I remember correctly, SS's is about $179 and B&B's is about $159.
- Also STB makes a FOUR port card that has interrupts above 7 for
- about $100.
-
- --
- ____________________________________________________________________
- | Greg Alheid | Everything is going well so I am |
- | alheid@pittpa.cray.com | not sure what the problem is. 8^) |
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