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RE: Slow serial transfer to redboot
- To: Peter Blair <peterb at turnpikeglobal dot com>
- Subject: RE: [ECOS] Slow serial transfer to redboot
- From: Gary Thomas <gthomas at redhat dot com>
- Date: Fri, 17 Aug 2001 14:17:42 -0600 (MDT)
- Cc: ecos-discuss at sourceware dot cygnus dot com
- Organization: Red Hat, Inc.
On 17-Aug-2001 Peter Blair wrote:
> Regards All,
>
> I've been experiencing extremely slow transfer rates when downloading my
> srec applications to an i386 target from both NT4 & 2000 machines.
>
> I've tested with multiple cables to numerous target hosts from multiple
> source hosts with no change. I've been using the pre-compiled redboot
> .BIN image from the sources.redhat.com site, and was wondering if this
> build of redboot has given anyone else any trouble.
>
> The strange part is that the first burst is quite quick, and I am able
> to transfer 2k with no trouble, but after that initial transfer, the
> rate drops dramatically. I left the download to run overnight, and
> checked the next morning to see that it had taken 5 hours to transfer
> the file (while running at 38400 baud.
>
This might be a problem with the serial FIFOs not being enabled.