[comp.unix.sysv386] multiport serial board info needed

spyen@cup.portal.com (Shyh Pei Yen) (10/14/90)

[]
 
I am going to set up a 386 PC based UNIX with dumb terminals connected. I
really appreciate any information on the multiport board. My questions are
 
1. How many different types of board are available in the market right now?
 
2. Which company is in the leading position right now?
 
3. How hard it is to set these up?
 
4. Pricing?
 
5. Do you encounter any problem with your current board?
 
6. Whatever question you have in mind that I haven't thought about.   :-)

Any info will help. Thanks.

Shyh-Pei Yen

USENET:  spyen@cup.portal.com

cpcahil@virtech.uucp (Conor P. Cahill) (10/14/90)

In article <34823@cup.portal.com> spyen@cup.portal.com (Shyh Pei Yen) writes:
>I am going to set up a 386 PC based UNIX with dumb terminals connected. I
>really appreciate any information on the multiport board. My questions are

First off, RTFFAQ which is posted monthly.  If you don't got it, let me
know & I will send you a copy.

>1. How many different types of board are available in the market right now?

Zillions

>2. Which company is in the leading position right now?

Depends upon whose test you run.

>3. How hard it is to set these up?

Most set up pretty easily.  I *think* the easiest is the megaport since
it is totally software configured and uses no interrupts.  However, 
this difference is not major.

>4. Pricing?

For 8 to 12 ports you can expect to pay anywhere from $600 (maxspeed-8)
to $1,100 (megaport 12). 

-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170 

bruce@bmhalh.UUCP (Bruce M. Himebaugh) (10/20/90)

In article <1990Oct14.003841.24000@virtech.uucp> cpcahil@virtech.UUCP (Conor P. Cahill) writes:
>In article <34823@cup.portal.com> spyen@cup.portal.com (Shyh Pei Yen) writes:
>>I am going to set up a 386 PC based UNIX with dumb terminals connected. I
>>really appreciate any information on the multiport board. My questions are
>
>>4. Pricing?
>
>For 8 to 12 ports you can expect to pay anywhere from $600 (maxspeed-8)
>to $1,100 (megaport 12). 

BEWARE OF MAXPEED!!!  The company I work for recently bought a 386 to be used
as an Accounting Computer.  We purchased SCO Unix as the operating system.  We
also had purchased an 8 port Maxpeed i/o card to hang terminals off of.  The
original recommendation was that we should buy a Digiboard (i.e. stick with
something almost guaranteed to work), but in an effort to try and save money
the Maxpeed was purchased.  Well, guess what...by now it has cost us at least 5
times as much as if we had just bought a Digicard up front.  After installing
the Maxpeed card we had nothing but problems.  The computer would crash any
where from 1 to 5 times per day.  Myself and our resident "hardware guru" spent
many many hours switching cards in and out and changing the system
configuration and even switching the entire machine, in an effort to find the
offending piece of hardware.  Well, after the process of elimination (logic
seemed to quit working after X number of hours :-)) we found it to be the
Maxpeed card.  We called Maxpeed and they sent us more current drivers, which
reduced the number of crashes per day from 1-5, to 1-2.  But the machine was
still very unreliable!!!  So, we bought an 8 port Digiboard and installed it
and have not had one single problem with the system crashing.

As long as I'm dumping on Maxpeed, I'll mention one more thing...
When we originally received the i/o card from them the documentation was very
unprofessional.  It gave a "fly by night" appearance.  The documentation that
showed the pinouts of the serial connector had been corrected in pen or pencil
and then copied on a copying machine!

Moral #1:  Don't use Maxpeed 8 port i/o cards with SCO Unix.

Moral #2:  Don't always pick the cheapest route, you may find it's not so
           cheap.

Bruce
-- 
Bruce M. Himebaugh                                          Voice: 216-484-3528
   PATHS: uunet!{ncoast,aablue}!fmsystm!mrsmouse!bmhalh!bruce
          (NOTE: the system name "fmsystm" is with no "e", NOT "fmsystem")
  *NOTE*: Please do not use bruce@bmhalh.UUCP -- I'm not registered yet.

larry@nstar.uucp (Larry Snyder) (10/22/90)

bruce@bmhalh.UUCP (Bruce M. Himebaugh) writes:

>BEWARE OF MAXPEED!!!  The company I work for recently bought a 386 to be used
>as an Accounting Computer.  We purchased SCO Unix as the operating system.  We

I looked at maxspeed a couple of months ago - and at the time they
didn't even support hardware flow control..

-- 
       Larry Snyder, Northern Star Communications, Notre Dame, IN USA 
 {larry@nstar, uunet!sco!romed!nstar!larry, nstar!larry@ndmath.math.nd.edu}
                     backbone usenet newsfeeds available
         Public Access Unix Site (219) 289-0282 (5 high speed lines)

gary@mic.UUCP (Gary Lewin) (10/22/90)

In article <1990Oct21.225209.583@nstar.uucp> larry@nstar.uucp (Larry Snyder) writes:
>bruce@bmhalh.UUCP (Bruce M. Himebaugh) writes:
>
>>BEWARE OF MAXPEED!!!  The company I work for recently bought a 386 to be used
>>as an Accounting Computer.  We purchased SCO Unix as the operating system.  We
>
>I looked at maxspeed a couple of months ago - and at the time they
>didn't even support hardware flow control..

I have followed this conversation with some interest recently and finally
MUST respond.  

First, Maxpeed has a number of different cards with a series of available
drivers.  I have been installing these in systems running ISC 2.02 and 2.2
for a little over a year.  Both the series 1 and 2 work very well under
most, if not all applications.  Specifically, multiple cards work as 
described (4 cards with 24 ports are running in one system with some
terminals placed up to 400 feet away).  Transparent printing works
correctly (using Wyse 150's).  Multiple trailblazers on one card work well.
And, even though I have seen postings to the contrary, VP/ix works great
on the Maxpeed cards.  

The RTS/CTS problem is one that tends to plague many serial board
manufacturers.  Depending on which drivers are installed, Maxpeed does
support RTS/CTS but on a shared port basis.  In this configuration, ttyaa
and ab become one modem port and one 3 wire terminal port (in other words,
you do completely lose ttyab, just DCD and DTR, which become RTS/CTS for
ttyaa).

Most importantly, these cards install (series 2) in systems with 16 megs
of memory (many do not allow the drivers to be placed in high memory).

Lastly, I have found the people at Maxpeed to be wonderful to work with,
from technical support to sales.  They have always done what they said they
would do and have bent over backwards to accomodate the customer.  This is
VERY important and cannot be stressed enough.  

To top it off, the price is good and they rapidly honor warranty repair
even if it is not their fault (there are some lightning strike stories...).

SO, what really bothers me the most about these several Maxpeed postings
(including Conner's FAQ), is that after evaluating 4 other serial card
manufacturers, the Maxpeed is SUBSTANTIALLY better.  This is a separate
subject area, though.  Someday I will try to put together these various
tests into something coherent and post a "Serial Board- Watch Out" posting.

[ I have no affiliation with Maxpeed except to be a very satisfied customer.
The systems tested with this card include Compaq as well as others with a
variety of configurations:  4-16 Megs of memory, cacheing and non-cacheing,
transparent printing used daily in several different business environments,
up to 24 ports, all with VP/ix tested, up to 6 modems running on one card
simultaneously, etc. ]  

Gary Lewin
gary@mic.lonestar.org

larry@nstar.uucp (Larry Snyder) (10/23/90)

gary@mic.UUCP (Gary Lewin) writes:

>The RTS/CTS problem is one that tends to plague many serial board
>manufacturers.  Depending on which drivers are installed, Maxpeed does
>support RTS/CTS but on a shared port basis.  In this configuration, ttyaa
>and ab become one modem port and one 3 wire terminal port (in other words,
>you do completely lose ttyab, just DCD and DTR, which become RTS/CTS for
>ttyaa).

So one port will have the hardware flow control using additional lines
from another port - while the other port (the one who gave up the 
additional lines) becomes a 3 wire terminal port - so if I want to 
support 8 modems, I need 16 ports (if I go with maxspeed) and I am
stuck with 8 terminal ports - even if I don't need them.  

Hmmm..  With my Computone (and from what I hear with the Comtrol
Ultra and latest Digiboard) if I need to support 8 modems, I get
8 ports - not 16.  The Computone works great with hardware flow
control on multiple modems.      

I must be missing something here - I don't see why to buy twice
as many ports as one needs to run hardware flow control..

-- 
       Larry Snyder, Northern Star Communications, Notre Dame, IN USA 
 {larry@nstar, uunet!sco!romed!nstar!larry, nstar%larry@iuvax.cs.indiana.edu}
                     backbone usenet newsfeeds available
         Public Access Unix Site (219) 289-0282 (5 high speed lines)

johncore@compnect.UUCP (John Core ) (10/24/90)

In article <51@bmhalh.UUCP>, bruce@bmhalh.UUCP (Bruce M. Himebaugh) writes:
> In article <1990Oct14.003841.24000@virtech.uucp> cpcahil@virtech.UUCP (Conor P. Cahill) writes:
> >In article <34823@cup.portal.com> spyen@cup.portal.com (Shyh Pei Yen) writes:
> >>I am going to set up a 386 PC based UNIX with dumb terminals connected. I
> >>really appreciate any information on the multiport board. My questions are
> >
> >>4. Pricing?
> >
> >For 8 to 12 ports you can expect to pay anywhere from $600 (maxspeed-8)
> >to $1,100 (megaport 12). 
> 


Pricing is not the best but from my experience Digiboard is the best.
Good product
Good manuals
Great support
24 hour bbs for software upgrades or they will mail you the upgrade for
FREE



Wizard Systems              |    UUCP:   uunet!wa3wbu!compnect!johncore
P.O. Box 6269               |INTERNET:   johncore@compnect.wa3wbu
Harrisburg, Pa. 17112-6269  |a public bbs since 1978. Data(717)657-4992 & 4997
John Core, SYSOP            |-------------------------------------------------
----------------------------| No matter where you go, there you are!
a woman is just a woman, but a good cigar is a smoke.   -R. Kipling

bill@unixland.uucp (Bill Heiser) (10/26/90)

Would someone be so kind as to post a source for that "generic" (MMU-xxx?)
4-port serial card that was discussed recently?  I know a source was posted,
but that article has been expired, so I am out of luck.  I believe it sells
for around $115.

Thanks!

bill

-- 
home:	...!{uunet,bloom-beacon,esegue}!world!unixland!bill
	bill@unixland.uucp,  bill%unixland.uucp@world.std.com
	Public Access Unix  - Esix SYSVR3 - (508) 655-3848
other:	heiser@world.std.com   Public Access Unix (617) 739-9753

jeff@marichal.austin.ibm.com (Jeffrey K. Johnson/65536) (10/26/90)

In <1990Oct25.220311.12196@unixland.uucp> bill@unixland.uucp (Bill Heiser) writes:

> Would someone be so kind as to post a source for that "generic" (MMU-xxx?)
> 4-port serial card that was discussed recently?  I know a source was posted,
> but that article has been expired, so I am out of luck.  I believe it sells
> for around $115.

I bought my AST-Four Port/DOS from ACP (Advanced Computer Products) for
$99 + $7.50 S/H.  

ACP
1310 E. Edinger
Santa Ana, CA 92705
800 FONE-ACP
800 366-3227
714 558-8813
714 558-1603 24 Hr Fax

It works great and is the real thing, not a clone.

Jeff
--
Jeff Johnson			10926 Jollyville Rd #1420
Computer Consultant		Austin, TX  78759  (512) 343 0675
Email -> uunet!cs.utexas.edu!ibmchs!auschs!marichal.austin.ibm.com!jeff
Disclaimer: "My views and opinions do not reflect those of IBM"

sleepy@wybbs.mi.org (Mike Faber) (10/27/90)

In article <51@bmhalh.UUCP> bruce@bmhalh.UUCP (Bruce M. Himebaugh) writes:
>In article <1990Oct14.003841.24000@virtech.uucp> cpcahil@virtech.UUCP (Conor P. Cahill) writes:
>>In article <34823@cup.portal.com> spyen@cup.portal.com (Shyh Pei Yen) writes:
>>>I am going to set up a 386 PC based UNIX with dumb terminals connected. I
>>>really appreciate any information on the multiport board. My questions are
>>
>>>4. Pricing?


Try Arnet smartports.  I've used those, without any problems.  I don't know
the current price, but you usually get what you pay for.

--
Michael Faber
sleepy@wybbs.UUCP

richard@pegasus.com (Richard Foulk) (10/31/90)

>Pricing is not the best but from my experience Digiboard is the best.
>Good product
>Good manuals
>Great support
>24 hour bbs for software upgrades or they will mail you the upgrade for
>FREE

When you say "best" does this mean you've put two or three others to
the test?  Which boards didn't measure up?



-- 
Richard Foulk		richard@pegasus.com

larry@nstar.uucp (Larry Snyder) (11/02/90)

richard@pegasus.com (Richard Foulk) writes:

>>Pricing is not the best but from my experience Digiboard is the best.
>>Good product
>>Good manuals
>>Great support
>>24 hour bbs for software upgrades or they will mail you the upgrade for
>>FREE

>When you say "best" does this mean you've put two or three others to
>the test?  Which boards didn't measure up?

BTW - Computone has started charging for drivers (if you want
them on floppy) - but you can call
into their new support BBS and download them for FREE!  

-- 
       Larry Snyder, Northern Star Communications, Notre Dame, IN USA 
 {larry@nstar, uunet!sco!romed!nstar!larry, nstar%larry@iuvax.cs.indiana.edu}
                     backbone usenet newsfeeds available
         Public Access Unix Site (219) 289-0282 (5 high speed lines)

richard@pegasus.com (Richard Foulk) (11/07/90)

>
>BTW - Computone has started charging for drivers (if you want
>them on floppy) - but you can call
>into their new support BBS and download them for FREE!  
>

Source code?


-- 
Richard Foulk		richard@pegasus.com

jdeitch@jadpc.cts.com (Jim Deitch) (11/09/90)

In article <1990Nov7.145613.20479@pegasus.com> richard@pegasus.com (Richard Foulk) writes:
>>
>>BTW - Computone has started charging for drivers (if you want
>>them on floppy) - but you can call
>>into their new support BBS and download them for FREE!  
>>
>
>Source code?
>
HAHAHAHAHAHAHAHAHAHAHAAHAHAHAHA!

Joke right?   :-)


-- 

UUCP: nosc!jadpc!jdeitch
ARPA: jadpc!jdeitch@nosc.mil
INET: jdeitch@jadpc.cts.com