Very Computer

1. Modem limited to 9600 under Slackware 7.0

After upgrading from RedHat 5.2 to Slackware 7.0,
I had problems connecting to my ISP. I checked
that the connection still worked under Windows,
and it did, so there are no hardware problems. I
installed minicom and ran through the connection
procedure. Everything went OK until the modem
connected to the remote computer. Instead of
seeing CONNECT as I expected, I got garbage on the
screen, something like

ox.~x~`x`...xxox

followed by a longer burst of similar-looking
garbage. I guessed that these were the connect
string and ISP login string in some form, so I
played around with the parity and speed settings
for the serial port. Eventually I managed to make
sense of the messages by limiting the speed of the
serial port to 9600 bps. Anything above that and I
get garbage (but always the same garbage, it's not
line noise).

PPP works fine at 9600, but it's a little slow. :)

My serial port has a 16550A UART. I'm using a
2.2.13 kernel compiled with egcs. The modem is a
Supra 28.8 fax/modem. Any ideas as to why I can't
get better than 9600 bps out of it? Something
missing from the init string?

Please reply by email to

don't have regular news access. Thanks in advance,

Michael Rogers

Sent via Deja.com http://www.deja.com/
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