[coreboot] Getting output from serial..... kinda....
Rudolf Marek
r.marek at assembler.cz
Sun Dec 6 20:33:18 CET 2009
> 1) do you port new motherboard ?
>
>
> I am.
Good. what superio is it? Some have a bit to trigger if clock source is 24MHz or
48MHz. Try to fidling with that.
We are on IRC irc.freenode.net #coreboot
Rudolf
>
> 2) if you set speed to 115200 do you see something if you set on
> the other side 57600 or 28200 bauds?
>
>
> Both set to 115200, works fine with OEM BIOS to get linux console up.
>
> 3) if you set coreboot to 57600 and the other side to 115200 do you
> get something?
>
>
> Same
>
> 4) Sometimes when the clock is nearly 115200 but a bit off some USB
> serials cannot handle that. Maybe you can try to connect some other
> device, or try to test with some real serial line on some other PC.
>
>
> Works on another PC.
>
> If it is any help, minicom flicks between online and offline when doing it.
>
> Dave
> -------------
> root at crankyadmin.net <mailto:root at crankyadmin.net>
> cranky at archlinux.us <mailto:cranky at archlinux.us>
>
>
> On Sun, Dec 6, 2009 at 7:12 PM, Rudolf Marek <r.marek at assembler.cz
> <mailto:r.marek at assembler.cz>> wrote:
>
> Hi,
>
> Please answer following:
>
> 1) do you port new motherboard ?
>
> 2) if you set speed to 115200 do you see something if you set on
> the other side 57600 or 28200 bauds?
>
> 3) if you set coreboot to 57600 and the other side to 115200 do you
> get something?
>
> 4) Sometimes when the clock is nearly 115200 but a bit off some USB
> serials cannot handle that. Maybe you can try to connect some other
> device, or try to test with some real serial line on some other PC.
>
> Rudolf
>
>
>
> David Houston napsal(a):
>
> Hi all,
>
> Would anyone have any suggestions why all I get out of my serial
> port when booting my coreboot build is
> ��FƢ���� =U$'E&&M#M y= �F ⌋!y= �F Ƌ!y=[$ M# MO"M
> y=+_Y�b��������������#⣉/y
> =+OIfyy=[$K KO K!K$L��� H#C1 �"b�㢢�VM K$LcDbD�b�#㢉
>
> #㌢
>
> #㢉
>
> #㌢
>
>
>
> I know the usb converter is good as I have tested it on another
> machine. And I know the serial port is good as I have got a
> linux terminal up with the OEM Bios.
>
> I'm not sure what else to attach to help diagnose the issue.
> regards
>
> Dave
> -------------
> root at crankyadmin.net <mailto:root at crankyadmin.net>
> <mailto:root at crankyadmin.net <mailto:root at crankyadmin.net>>
> cranky at archlinux.us <mailto:cranky at archlinux.us>
> <mailto:cranky at archlinux.us <mailto:cranky at archlinux.us>>
>
>
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