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- Xref: sparky comp.os.coherent:6460 comp.os.linux:21818 comp.sys.ibm.pc.hardware:34238
- Path: sparky!uunet!utcsri!torn!spool.mu.edu!uwm.edu!src.honeywell.com!tcscs!zeta
- From: tcscs!zeta@src.honeywell.com (Gregory Youngblood)
- Newsgroups: comp.os.coherent,comp.os.linux,comp.sys.ibm.pc.hardware
- Subject: Re: Anyone interested in an intelligent serial board?
- Keywords: RS-232 serial interface
- Message-ID: <7mZFwB1w165w@tcscs.UUCP>
- Date: Sun, 27 Dec 92 08:07:29 CST
- References: <1992Dec27.055652.412@yarc.uucp>
- Reply-To: zeta%tcscs@src.honeywell.com
- Organization: TCS Consulting Services
- Lines: 34
-
- dave@yarc.uucp (Dave Rifkind) writes:
-
- > In article <92121815484@amscons.amscons.com> bob@amscons.amscons.com (Bob Ams
- > >After fussing with Coherent for far too long, I have decide
- > >to build my intelligent serial interface board. I intend to
- > >design in enough memory so that each port can have a really
- > >deep FIFO, and thus Coherent will never have to miss characters
- > >again. I was planning to create a wire-wrap board, a printed
- > >circuit board would be much better. Unfortunately, creating
- > >a single printed circuit board is expensive.
- > >So once I decided to do this, I thought that others might
- > >be interested in such a beast. So, if you'd be interested
- > >in an intelligent multi-port serial board for the ISA bus,
- > >send me mail indicating your desired specifications for the
- > >board. This should include number of ports, FIFO depth,
- > >and cost. If I have enough interest, I'll go ahead and
- > >do the PC board.
- >
- > You'd better make that FIFO *really* big.
- >
- > I have an Intel SatisFAXtion/400. When working as a modem, it acts like
- > a 16450 except that it has an approx. 64K byte input buffer. I still
- > can't uucp without lost data. There's something much more seriously
- > wrong than just long interrupt latencies; you're not going to overflow a
- > 64K buffer without working at it pretty hard.
-
- I'd like to see some initial cost estimates for something like this.
-
- Greg
-
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