disabling all serial input / output at boot time

Julian Elischer julian at elischer.org
Thu Apr 15 16:18:38 UTC 2010


On 4/15/10 3:03 AM, Mike Tancsa wrote:
> At 12:04 AM 4/15/2010, perryh at pluto.rain.com wrote:
>> Mike Tancsa <mike at sentex.net> wrote:
>>
>> > I have an embedded device (Alix box) that is running RELENG_8 off
>> > a CF that is designed to monitor / control a serial sensor device.
>> > The sensor is quite chatty and is always outputing data at 115200.
>> > The problem is that this will interrupt the boot process.
>>
>> > I even tried to "fake" it out, but trying to make com2, the console
>> > in /boot/device.hints ...
>> >
>> > Is there any way to completely disable serial interaction and
>> > to truly make the bootup process quiet and non interactive ?
>>
>> More of a workaround than a fix, but does it work any better
>> if you connect the device to com2 instead of com1?
>
>
> Unfortunately there is only one serial port on the board we are using.

yes but can the bios map it to be com2?

>
>
> ---Mike
>
>
> --------------------------------------------------------------------
> Mike Tancsa, tel +1 519 651 3400
> Sentex Communications, mike at sentex.net
> Providing Internet since 1994 www.sentex.net
> Cambridge, Ontario Canada www.sentex.net/mike
>
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