You may want to just snag a powered hdmi switch and use it as an intermediate level shifter, that might resolve your problem and allow you to verify that things work.
- John On 05/11/2015 10:49 AM, Julian Lunz wrote: > Tried with new HDMI cable - same situation, no output on my monitors. > Are there any ways to check whether the hardware is okay? > > > On Thu, 7 May 2015 08:04:26 +0200 > Julian Lunz <[email protected]> wrote: > >> On Wed, 6 May 2015 07:34:37 -0400 >> Bill Traynor <[email protected]> wrote: >> >>> I had this error earlier last week. I swapped out the hdmi cable + >>> micro hdmi adapter I was using for an HDMI cable with an actual >>> micro-hdmi end and the problem went away. I'm not sure if the error >>> was caused by the adapter I was using or the hdmi cable, but >>> regardless, the purchase of a new cable for $12 solved my problem. >> >> True, that sounds like the last bit. >> I'm using a hdmi <-> micro-hdmi cable. >> I'll swap that and let you know, unfortunately I have no other device >> with micro-hdmi connector to test with. >> >>> >>> On Wed, May 6, 2015 at 7:08 AM, Julian Lunz <[email protected]> wrote: >>>> Hi, >>>> >>>> I'm having trouble getting HDMI to work. >>>> I tried my setup with three different monitors, but none of them >>>> works. >>>> >>>> I have a Revision A2 board updated to latest Firmware: >>>> MNW2MAX1.X64.0079.R01.1504081555 >>>> >>>> I tried Debian 8 and Ubuntu 14.04, both show no output on display, >>>> neither in UEFI nor after Linux has loaded. >>>> >>>> Before handing over to Linux, GRUB displays: >>>> >>>> error: no suitable video mode found. >>>> Booting in blind mode >>>> >>>> I can observe the following in kernel message buffer: >>>> >>>> i915 0000:00:02.0: No connectors reported connected with modes >>>> [drm] Cannot find any crtc or sizes - going 1024x768 >>>> >>>> Please find attached the full boot log from shell to system. >>>> (Added "console=tty1 console=ttyS0,115200n8" in GRUB) >>>> >>>> I'm aware of the known issue with missing level shifters mentioned >>>> here: http://www.elinux.org/Minnowboard:MinnowMax#Monitors >>>> >>>> Is the only thing left to try a powered HDMI switch? >>>> >>>> Thanks for your input! >>>> >>>> -- >>>> Julian >>>> _______________________________________________ >>>> elinux-MinnowBoard mailing list >>>> [email protected] >>>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard >>>> >>> _______________________________________________ >>> elinux-MinnowBoard mailing list >>> [email protected] >>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard >> _______________________________________________ >> elinux-MinnowBoard mailing list >> [email protected] >> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > _______________________________________________ > elinux-MinnowBoard mailing list > [email protected] > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > _______________________________________________ elinux-MinnowBoard mailing list [email protected] http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
