AFAIK it shouldn't. No idea what can be wrong.. Maybe you could share your coreboot config and I may find something there?
Best regards, -- Michał Żygowski Firmware Engineer https://3mdeb.com | @3mdeb_com On 5/3/21 3:38 PM, lain via coreboot wrote: > I tried two different firmware roms but both with HAP bit set. > Could this affect the serial connectivity ( as SuperIO in PCH or smth ? > > On Monday, May 03, 2021 14:39 CEST, "lain" <l...@datenwanderung.de> wrote: > >> Hi Michal, >> >> I tired 2 Different USBto RS232 Converts, and a SerialPort on an >> Thinkpad x60 dock, also flow control. >> The Very same DB9 RJ45 cable works on a sun ultra. >> Also tried Power unplug. >> Maybe something firmware realted or faulty connector i would say >> On Monday, May 03, 2021 14:27 CEST, Michał Żygowski >> <michal.zygow...@3mdeb.com> wrote: >> >>> Hi Iain, >>> >>> On 5/3/21 2:20 PM, lain via coreboot wrote: >>> > Does somebody has trouble with the Serial Port on an Protectli FW6C / >>> > Yangling device ? >>> > I am getting only Garbage ( yes i have checked the serial settings ) >>> > >>> > How likely is a faulty connector ? >>> I would check two things: >>> >>> 1. Faulty RS232 converter >>> 2. Enabled hardware flow control. >>> >>> Such issue sometimes happened with the FW6 platform during the firmware >>> development and the above were the main reasons. Don't forget to keep >>> the hardware flow control off when opening the serial port in your >>> terminal emulator. Please also try different RS232 converter if >>> possible. I also encountered faulty samples of such converters which did >>> not work reliably (I have a bunch of converters of the same model and >>> vendor, but 1 out of 20 was simply not working). Alternatively you may >>> unplug the converter from any power to let it reset, just in case the >>> converter caught some escape sequence in a wrong moment. Very unlikely >>> that something is wrong with FW6C platform. >>> > >>> > _______________________________________________ >>> > coreboot mailing list -- coreboot@coreboot.org >>> > To unsubscribe send an email to coreboot-le...@coreboot.org >>> Best regards, >>> >>> -- >>> Michał Żygowski >>> Firmware Engineer >>> https://3mdeb.com | @3mdeb_com >>> >>> _______________________________________________ >>> coreboot mailing list -- coreboot@coreboot.org >>> To unsubscribe send an email to coreboot-le...@coreboot.org >> >> >> >> > > > > > > _______________________________________________ > coreboot mailing list -- coreboot@coreboot.org > To unsubscribe send an email to coreboot-le...@coreboot.org _______________________________________________ coreboot mailing list -- coreboot@coreboot.org To unsubscribe send an email to coreboot-le...@coreboot.org