That is a HW limitation. 24Hz is the best it can do at 1920x1080,. No there is no HW mod that will change that. If it were a SW issue, we would have fixed it a long time ago.
However, if it is a real HDMI monitor, 24hz should work fine. Gerald On Sun, Sep 29, 2013 at 10:31 AM, Sushant Khanna < [email protected]> wrote: > Quick update, > I checked on my TV with Android image and it has a full 1080 output at > 24p(Or hz or fps, I am guessing I can use them interchangeably in the > context) > My monitor on the other hand cannot support 24p/hz. I tried to force it > through my laptop and the screen kept flickering. > > Thanks Gerald for all your help. > > Can you or anyone else offer me any guidance as to why certain displays > support 24 and why does the BBB only support 24 at this res? > I'll try to fix this if it is a software problem. > > Thanks > Sushant > > On Sunday, 29 September 2013 20:25:50 UTC+5:30, Gerald wrote: > >> As you know, the HW does 1920 x 1080 on monitors that support it. >> >> Gerald >> >> >> On Sun, Sep 29, 2013 at 1:47 AM, <[email protected]> wrote: >> >>> Last comment not posted yet, I will anyway continue from there. >>> >>> So I booted an Android image and it worked. I got an output. >>> The default video flag in uEnv.txt was 720x480-16@60 >>> Except changing the 16 to 32, nothing else worked. >>> I finally removed the flag and got a 1280x 678+ res. This seems to be >>> the highest common res between the two. >>> >>> Now I have two follow up questions. >>> 1) What is the reason for the res limitation? Is it software or hardware? >>> 2) Can a similar problem be happening on Angstorm side as well? There >>> were no flags provided when it had worked before, should it not work fine >>> still? >>> >>> Waiting for a reply. >>> >>> Thanks >>> >>> On Sunday, 29 September 2013 02:10:32 UTC+5:30, Gerald wrote: >>> >>>> Did you go to the support Wiki and look under HDMI issues? If not, then >>>> I suggest you try that. The link is on the little white card that came in >>>> the box with the board. >>>> >>>> You may also find other useful information on the main page, like maybe >>>> restoring the image. Sometime with Linux if you pull the power without >>>> shutting it down, the eMMC or SD can get corrupted. >>>> >>>> Gerald >>>> >>>> >>>> On Sat, Sep 28, 2013 at 2:23 PM, <[email protected]> wrote: >>>> >>>>> Hey Guys >>>>> >>>>> Multiple issues with beaglebone right now. >>>>> >>>>> There is some odd problem with HDMI on my beaglebone. >>>>> >>>>> It is odd because >>>>> 1) It did not work out of the box >>>>> 2) It worked when I flashed an Image from the 5th of Sep, 2013 >>>>> 3) Couple of days later, the same image did not work. >>>>> 4) I do not get any EDID information from terminal through ssh into >>>>> the device >>>>> 5) xrandr --verbose returns "Can't open display" >>>>> 6) Boot flags also do not function >>>>> 7) The display does not even detect that I have a HDMI device >>>>> connected. >>>>> 8) I tried echo 0 > /sys/class/graphics/fb0/blank, but still does not >>>>> fix the issue. >>>>> >>>>> Now what's the problem. Can it be a porblem with the port? >>>>> I mean, why would the same image work and then not work. >>>>> >>>>> Also, the display I am using is from AOC. >>>>> >>>>> I am new to embedded, but is this normal? Everything seems to be >>>>> broken out of the box with the BBB >>>>> >>>>> Not trying to be a pessimist, but should I just return the board? >>>>> >>>>> Thanks >>>>> Sushant Khanna >>>>> >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to beagleboard...@**googlegroups.**com. >>>>> >>>>> For more options, visit >>>>> https://groups.google.com/**grou**ps/opt_out<https://groups.google.com/groups/opt_out> >>>>> . >>>>> >>>> >>>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to beagleboard...@**googlegroups.com. >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>> . >>> >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
