ern@imsvax.UUCP (Ernie Koehler) (01/08/87)
I have a friend who is trying to use Xenix on an IBM AT as a system for a small business. She is having trouble adding additional terminals to her system. Does anyone know what is the specific hardware, software and commands required for adding an additional terminals. In addition to the system console, she already has a terminal attached and working. This was added by the former system administrator. The Xenix was purchased from Microsoft. Is there anyone who supports Microsoft Xenix besides Microsoft? Any help on these questions would be appreciated. Thanks. imsvax!ern
mitchell@cadovax.UUCP (Mitchell Lerner) (01/13/87)
A company called AST has a product that they call the AST 4-Port
board for the AT (also comes in an 8 port version). With it you
get a floppy (in tar format) that has a driver written for Xenix
systems. One installs the card and plops in the driver (two ways one
can do this. One way makes the configuration more ms-dos compatable).
I've installed the hardware but never went any farther than that with it.
I think WYSE has a simular product out now (or soon) too.
--
Mitchell Lerner
# {ucbvax,ihnp4,decvax}!trwrb!cadovax!mitchell
# cadovax!mitchell@ucla-locus.arpadave@micropen (David F. Carlson) (01/14/87)
A company called Digicomm puts out a good (we have two of them) 4
and 8 port board. Xenix drivers supplied. (Runs with microport
SV/AT too) THe good news is that 8 ports are only...$350.
Such a bargain.
--
David F. Carlson, Micropen, Inc.
...!{seismo}!rochester!ur-valhalla!micropen!dave
"The faster I go, the behinder I get." --Lewis Carrollbarber@rabbit1.UUCP (Steve Barber) (01/23/87)
The original poster didn't give much detail about the hardware configuration.
We have played around with multiple terminals on PC/AT Xenix for a while
now. We eventually settled on using the 4-port expanders from AST.
We tried the Computone 8 port board, but they hang occasionally and we
never could quite get it working with uucp *reliably* The serial port
on the IBM serial board works OK, but hangs once in a while.
Installing the AST board is not to tough: make sure you back up your
old kernel first before relinking with the AST drivers. To enable
logins (getty) on the AST port, modify the /etc/ttys file as documented,
or use the enable command.
I run uucp connections into PC/ATs at 4800 baud, since the darn things
fail at higher speeds due to many dropped characters. Does anyone know
of a driver or driver/hardware pair that will sustain input to XENIX
without dropping characters into the bit bucket at speeds greater than
1200 baud?
--
Steve Barber Rabbit Software Corp.
...!ihnp4!{cbmvax,cuuxb}!hutch!barber ...!psuvax1!burdvax!hutch!barber
(215) 647-0440 7 Great Valley Parkway East Malvern PA 19355davidsen@steinmetz.UUCP (01/28/87)
In article <267@rabbit1.UUCP> barber@rabbit1.UUCP (Steve Barber) writes: >I run uucp connections into PC/ATs at 4800 baud, since the darn things >fail at higher speeds due to many dropped characters. Does anyone know >of a driver or driver/hardware pair that will sustain input to XENIX >without dropping characters into the bit bucket at speeds greater than >1200 baud? I'm not sure what problems you're having with dropped characters. I get my uucp feed from a VAX at 9600, and have run 9600 modems for testing. Not only do I not get dropped characters, but I have done 9600 modem connections while the uucp was running. I gave up on 9600 modems for other reasons, but I haven't seen any dropped characters. I'm running one AST ATvantage (sp?) board and one old IBM serial I snarfed from an XT. I just wish wish Xenix supported 19.2kb... -- bill davidsen sixhub \ ihnp4!seismo!rochester!steinmetz -> crdos1!davidsen chinet / ARPA: davidsen%crdos1.uucp@crd.ge.com (or davidsen@crd.ge.com)
ben@catnip.UUCP (01/30/87)
In article <1157@steinmetz.steinmetz.UUCP> davidsen@kbsvax.UUCP (william E Davidsen) writes: >I just wish wish Xenix supported 19.2kb... I notice that you can specify a baud rate of EXTA or EXTB to either stty or getty. These are not well documented in the manuals. I have tried sttying to them, but they don't currently represent any baud rate supported by my terminal. Anybody know what these are for? Maybe it is possible to define one of these to be 19200? -- Ben Broder {ihnp4,decvax} !hjuxa!catnip!ben {houxm,clyde}/
li@tybalt.caltech.edu.UUCP (01/31/87)
>In article <1157@steinmetz.steinmetz.UUCP> davidsen@kbsvax.UUCP (william E Davidsen) writes: >>I just wish wish Xenix supported 19.2kb... It isn't Xenix that doesn't support 19.2kb, it's IBM, and probably all the other PC-clones. The chip can support about 100k, and I have seen it used at that rate. Unfortunately, the design did not call for those speeds, and so the error rates may not be know for those speeds. The applications I have seen have been for DOS, but I'm sure that if you wanted to, you could look into the technical manual, and program the chip directly. li@tybalt.caltech.edu (James Li) __ __ (also li@citromeo.caltech.bitnet) | | "Official KANK symbol" ------> | |
grr@cbmvax.UUCP (01/31/87)
In article <459@catnip.UUCP> ben@catnip.UUCP (Bennett Broder) writes: >In article <1157@steinmetz.steinmetz.UUCP> davidsen@kbsvax.UUCP (william E Davidsen) writes: >>I just wish wish Xenix supported 19.2kb... > >I notice that you can specify a baud rate of EXTA or EXTB to either stty >or getty. These are not well documented in the manuals. I have tried >sttying to them, but they don't currently represent any baud rate supported >by my terminal. Anybody know what these are for? Maybe it is possible to >define one of these to be 19200? >Ben Broder {ihnp4,decvax} !hjuxa!catnip!ben In the 'real world' if you have 19,200 BPS, it takes the place of, or is equivalent to EXTA. On the old PDP-11 interfaces just had a '1 of n' selection where EXTA and EXTB didn't have assigned speeds, but could be jumpered to random bit-rates. On the PC, the rates are established by loading a divisor into the INS8250 chip. If EXTA doesn't give you 19200, then you should be able to patch the divisor table to suit... -- George Robbins - now working for, uucp: {ihnp4|seismo|rutgers}!cbmvax!grr but no way officially representing arpa: cbmvax!grr@seismo.css.GOV Commodore, Engineering Department fone: 215-431-9255 (only by moonlite)
baron@transys.UUCP (02/03/87)
In article <1157@steinmetz.steinmetz.UUCP> davidsen@kbsvax.UUCP (william E Davidsen) writes: >In article <267@rabbit1.UUCP> barber@rabbit1.UUCP (Steve Barber) writes: >>I run uucp connections into PC/ATs at 4800 baud, since the darn things >>fail at higher speeds due to many dropped characters. Does anyone know >>of a driver or driver/hardware pair that will sustain input to XENIX >>without dropping characters into the bit bucket at speeds greater than >>1200 baud? > >I'm not sure what problems you're having with dropped characters. I get >my uucp feed from a VAX at 9600, and have run 9600 modems for testing. >Not only do I not get dropped characters, but I have done 9600 modem >connections while the uucp was running. I gave up on 9600 modems for >other reasons, but I haven't seen any dropped characters. I'm running >one AST ATvantage (sp?) board and one old IBM serial I snarfed from an >XT. I just wish wish Xenix supported 19.2kb... It will, just get a Computone ATvantage-X board. The driver supports 19,200 and 38,400 as speed EXTA and EXTB respectively. This is on SCO Xenix on an AT. I have nine of them, I love em. -- These are my own opinions, not those of my employer (self), or any one connected with the company (mine) Joe Portman (SA) USPS: TransSystems Incorporated AT&T: 1-206-453-5560 1280 116th Avenue NE /-- uw-beaver!\ /-- camco! \ Bellevue WA 98009 ... ihnp4! --< >-tikal!< >-- transys!root \-- microsoft!/ \-- teldata!/
davidsen@steinmetz.UUCP (02/03/87)
In article <1663@cit-vax.Caltech.Edu> li@tybalt.caltech.edu.UUCP (James C. Li) writes: >>In article <1157@steinmetz.steinmetz.UUCP> davidsen@kbsvax.UUCP (william E Davidsen) writes: >>>I just wish wish Xenix supported 19.2kb... > >It isn't Xenix that doesn't support 19.2kb, it's IBM, and probably all the >other PC-clones. The chip can support about 100k, and I have seen it used >at that rate. I guess it depends on your idea of "support". The device driver in Xenix does not have the "B19200" option, not does it map EXTA or EXTB into 19200. Many DOS programs do this, and I have never had any trouble running at those speeds. The USART stays within spec up to 38.4kb at least. Some other version of UNIX for the PC *do* support these higher speeds, so I feel that the problem is in the Xenix device driver. I'm also told that the drivers which come with some 4 and 8 port serial boards will support up to 38.4kb if you don't try to run all of the ports at that speed at once. -- bill davidsen sixhub \ ihnp4!seismo!rochester!steinmetz -> crdos1!davidsen chinet / ARPA: davidsen%crdos1.uucp@crd.ge.com (or davidsen@crd.ge.com)
caf@omen.UUCP (02/06/87)
In article <1174@steinmetz.steinmetz.UUCP> davidsen@kbsvax.UUCP (william E Davidsen) writes:
:>>>I just wish wish Xenix supported 19.2kb...
SCO SYS V Xenix 2.2 (beta test 2.2.0 delta+) supports 19.2 kb (stty exta)
and 38.4 kb (stty extb).