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    SubjectRe: Serial issue
    On Fri, Aug 18, 2006 at 04:32:43PM -0400, Mark Hounschell wrote:
    > Lee Revell wrote:
    > > On Fri, 2006-08-18 at 16:25 -0400, Mark Hounschell wrote:
    > >> Take it from someone who actually still uses dumb terminals every day,
    > >> any thing over 9600 baud still requires some kind of flow control for
    > >> reliable consistent operation. Software (Xon/Xoff) and or hardware
    > >> (RTS/RTS/DTE) flow control.
    > >>
    > >
    > > Any idea why the serial console does not work at all with flow control
    > > enabled (regardless of whether the host runs Linux or another OS)?
    > >
    > > Lee
    > >
    > >
    >
    > Your cable is probably wrong. Both ends have to be using the type of flow
    > control your cable is wired for.

    Not quite true. You can use XON/XOFF or hardware flow with a fully
    populated cable, but if you have a sparsely populated cable (RX,TX,GND
    only) then hardware flow control can't (and won't) work.

    --
    Russell King
    Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
    maintainer of: 2.6 Serial core
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