[an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] (none) [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] (none) [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive]
 
[an error occurred while processing this directive] [an error occurred while processing this directive]
Skåne Sjælland Linux User Group - http://www.sslug.dk Home   Subscribe   Mail Archive   Forum   Calendar   Search
MhonArc Date: [Date Prev] [Date Index] [Date Next]   Thread: [Date Prev] [Thread Index] [Date Next]   MhonArc
 

Re: [TEKNIK] Gammel notebook som seriel termimal?



Frank Damgaard wrote:

> On Mon, Apr 10, 2000 at 22:30:37 +0200, Jacob Kolding wrote:
>
> ....
> >
> > Det køre nu, jeg lavede en statisk kompile af microcom
> > og det virker fint, men kun ved 9600 der over får jeg kun
> > volapyk igennem. Det er vel seriel porten på den bærbare
> > der ikke kan klare mere, selvom 9600 lyder lidt lavt trods
> > den høje alder?
>
> En anden god terminalprogram til unix-unix er "xc" (xc-4.3.2.tar.gz)
>
> Hvis det kun er 16450 chip så er 9600/19200 det maksimale stabile
> der kan opnås. Men prøv lige at check om du anvender hardware (cts/rts)
> eller software (xon/xoff) handshake. Man bør anvende hardware handshake.

Det er en 16450 der sidder i den bærbare, og jeg køre med software
handshake.
Grunden til dette er at mit kabel slet ikke har de ben forbundet :)
Men hvis jeg fikser kablet og går over til hardware flow control så burde
det kunne køre med 19200 eller hvad?

> Check også at serielport er opsat korrekt med setserial .
> (specielt hvis den tror det er en 8250 så har du problemer....)
>
> IBM-PC's anvendte fra start elendig hardware. "8250" som serielport ! ;(
> min Z80 som er ældre en IBM-PC havde en Z80 SIO som kunne klare
> 250kbit/s på CP/M. 8250 har kun en byte buffer , Z80SIO havde mere
> (vistnok 4) og et bedre vektoriseret interruptsystem, og 16450 har vist
> ligeledes 4 byte  men Intels elendige interrupt system.
> 16550A kan programmeres op til 16 byte buffer.
>
> (Intel kan ikke designe chips og PC'en var noget makværk af hardware)
>
> --
> mvh Frank Damgaard  | http://home3.inet.tele.dk/frda/

--
        -Jacob Kolding, mailto://sslug@sslug

/*      Help freeing The Net from MS evil, Support Mozilla!     */
/*      http://www.mozilla.org/get-involved.html                */




 
Home   Subscribe   Mail Archive   Index   Calendar   Search

 
 
Questions about the web-pages to <www_admin>. Last modified 2005-08-10, 21:38 CEST [an error occurred while processing this directive]
This page is maintained by [an error occurred while processing this directive]MHonArc [an error occurred while processing this directive] # [an error occurred while processing this directive] *