🚀 go-pugleaf

On Wed, 21 Feb 1996 16:59:02 GMT Dennis Lee Bieber (wulfraed@kd6mog.netcom.com) wrote:

> In article <733.6625T556T1348@cris.com> kainaw@cris.com (CS Wagner) writes:
>  > I just got my hands on a 28.8k modem and I tried to use it. I've found that I
>  > can only go up to 19.2k.

You must have done something wrong. How did you find that it can only
do 19.2k?

>  > My suspicion is that the UART can't go faster. Doesn
>  > anyone know what kind of UART comos in a 4000? Does anyone know how to find
>  > out what UART is in your machine? I ask on #amiga every day and every day
>  > without fail only one person will reply with - UART? What's that?
>  >
>         The Amiga native serial doesn't use a UART (Universal Asynchronous
> Receiver Transmitter, as I recall).  The serial port is controlled by the CIA
> (complex interface adapter) chips...  Which are programmable for use as serial
> or parallel (and also contain the system timers).

Nope, the Amiga does have a UART in Paula. The CIA chips only handle some of
the control lines.

Paula can handle around 1 Mbit/s. The question is whether your CPU and
serial device driver can handle. C='s serial.device is known to be slow.
Try 8n1 or baudbandit instead.

--
Regards,

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| Rask Ingemann Lambertsen       | E-mail: c948374@student.dtu.dk        |
| Amiga GNU CC README maintainer | WWW: http://www.gbar.dtu.dk/~c948374/ |
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