All 24 bits are available on the expansion headers. I cannot speak for 4D systems as to how their board is designed and if they support 24b mode or not.
HDMI only has 16 bits connected, so you cannot get 24b color on it. Gerald On Tue, Nov 12, 2013 at 8:37 AM, <[email protected]> wrote: > I'd like to refine my question to you Gerald... > > How can I get 24-bit color with the BBB via either HDMI or LCD (assuming > the LCD I wire up is a 24/32-bit color panel)? I thought the TI spec > indicated the BBB could drive true-color but all I can manage to get out of > the BBB is 16-bit color regardless if I use HDMI or the LCD from 4D Systems. > > > On Monday, November 11, 2013 2:26:02 PM UTC-5, [email protected] wrote: >> >> Great, now how does one specify a particular resolution and audio option >> upon startup? >> >> On Saturday, November 2, 2013 4:32:32 PM UTC-4, Gerald wrote: >>> >>> 1920x1080@24HZ is the best it can do. >>> >>> Gerald >>> >>> >>> >>> On Sat, Nov 2, 2013 at 1:19 PM, <[email protected]> wrote: >>> >>>> Per above, it seemed that 1920x1080 was possible in the 50-60Hz range >>>> without audio. Has the community been able to figure out a way to get that >>>> to work? >>>> Thanks! >>>> >>>> >>>> On Friday, November 1, 2013 3:24:35 AM UTC-4, [email protected] wrote: >>>>> >>>>> People, read your docs… According to the latest System Reference >>>>> Manual, BBB added support for 1920x1080@24Hz resolution: >>>>> https://github.com/CircuitCo/BeagleBone-Black/tree/master/BBB_SRM.pdf<https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&ved=0CFwQFjAD&url=https%3A%2F%2Fgithub.com%2FCircuitCo%2FBeagleBone-Black%2Fblob%2Fmaster%2FBBB_SRM.pdf%3Fraw%3Dtrue&ei=NVVzUrLINaO62AWi9oCgBA&usg=AFQjCNGHgKSW6eN6wCnTOUguqfvWLjtP8Q&sig2=b12eANaFMCe-U0hiVGZLpw&bvm=bv.55819444,d.b2I> >>>>> >>>>> >>>>> 6.10 HDMI Interface >>>>> >>>>> The BeagleBone Black has an onboard HDMI framer that converts the LCD >>>>> signals and audio signals to drive a HDMI monitor. The design uses an NXP >>>>> TDA19988 >>>>> HDMI Framer. >>>>> >>>>> The following sections provide more detail into the design of this >>>>> interface. >>>>> >>>>> 6.10.1 Supported Resolutions >>>>> >>>>> The maximum resolution supported by the BeagleBone Black is 1280x1024 >>>>> @ 60Hz. Table 9 below shows the supported resolutions. Not all >>>>> resolutions may work on all monitors, but these have been tested and shown >>>>> to work on at least one monitor. EDID is supported on the BeagleBone >>>>> Black. >>>>> Based on the EDID reading from the connected monitor, the highest >>>>> compatible resolution is selected. >>>>> >>>>> Table 9. HDMI Supported Monitor Resolutions >>>>> [image: page71image9400] [image: page71image9824] [image: >>>>> page71image10248] [image: page71image11640] >>>>> >>>>> RESOLUTION >>>>> [image: page71image12800] [image: page71image13416] [image: >>>>> page71image13576] >>>>> >>>>> AUDIO >>>>> [image: page71image14600] [image: page71image14760] [image: >>>>> page71image15352] [image: page71image15920] [image: >>>>> page71image16344] >>>>> >>>>> 800 x 600 @60Hz >>>>> >>>>> 800 x 600 @56Hz >>>>> [image: page71image20208] >>>>> >>>>> 640 x 480 @75Hz >>>>> [image: page71image23392] [image: page71image24296] >>>>> >>>>> 640 x 480 @60Hz >>>>> >>>>> YES >>>>> >>>>> 720 x 400 @70Hz >>>>> [image: page71image29160] >>>>> >>>>> 1280 x 1024 @75Hz >>>>> [image: page71image32416] [image: page71image33184] >>>>> >>>>> 1024 x 768 @75Hz >>>>> [image: page71image35248] [image: page71image36016] >>>>> >>>>> 1024 x 768 @70Hz >>>>> [image: page71image38080] [image: page71image38848] >>>>> >>>>> 1024 x 768 @60Hz >>>>> [image: page71image41264] [image: page71image41744] [image: >>>>> page71image42632] >>>>> >>>>> 800 x 600 @75Hz >>>>> [image: page71image44912] >>>>> >>>>> 800 x 600 @72Hz >>>>> >>>>> 720 x 480 @60Hz >>>>> >>>>> YES >>>>> >>>>> 1280 x 720 @60Hz >>>>> >>>>> YES >>>>> [image: page71image53920] >>>>> >>>>> 1920x1080@24Hz >>>>> >>>>> YES >>>>> [image: page71image57840] [image: page71image58304] [image: >>>>> page71image58784] >>>>> >>>>> *NOTE: The updated software image used on the Rev A5B board added >>>>> support for 1920x1080@24HZ.* >>>>> >>>>> >>>>> >>>>> >>>>> On Wednesday, 8 May 2013 03:05:24 UTC-7, [email protected] wrote: >>>>>> >>>>>> The Beagle Board Black system reference manual rev A5.2 says (in the >>>>>> HDMI section): >>>>>> >>>>>> Currently the following resolutions are supported via the software: >>>>>> 1280 x 1024 >>>>>> 1440 x 900 >>>>>> 1024 x 768 >>>>>> 1280 x 720 >>>>>> >>>>>> This is a bit disappointing because we don't have 1920 x 1080... >>>>>> arguable "full HD". I believe the current Raspberry Pie has more than >>>>>> 1920 >>>>>> x 1080. >>>>>> Is this limit imposed by the hardware of the software? Are we >>>>>> expecting higher resolutions in future software releases? >>>>>> >>>>>> Thnaks >>>>>> >>>>>> Richard. >>>>>> >>>>>> >>>>>> >>>>>> -- >>>> 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. > -- 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.
