Everyone, We need an HDMI monitor for a permanent connection to the Pi that powers our tablet content. Ideally it should be smaller than 19" (so it can fit on a rack shelf) but not less than, say, 15" (so we can actually read it). I tried using a known-working HDMI-VGA adapter. But it's not supported by the Pi. Does anyone have a suitable screen to donate, or can someone buy it for us? This is something we need quickly. ________________________ Evan Koblentz, director Vintage Computer Federation A 501(c)(3) educational non-profit Evan@vcfed.org +1 (646) 546-9999 www.vcfed.org facebook.com/vcfederation instagram.com/vcfederation twitter.com/vcfederation
On Sat, Aug 19, 2017 at 6:14 PM, Evan Koblentz via vcf-midatlantic < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
Everyone,
We need an HDMI monitor for a permanent connection to the Pi that powers our tablet content.
Ideally it should be smaller than 19" (so it can fit on a rack shelf) but not less than, say, 15" (so we can actually read it).
I tried using a known-working HDMI-VGA adapter. But it's not supported by the Pi.
Does anyone have a suitable screen to donate, or can someone buy it for us?
This is something we need quickly.
so you get the "Input not supported" box i do the same thing here, but I had no prob, i slap this on most any generic vga monitor. your monitor just might not handle every video mode that's all but also some of those converters only handle a limited selection of video mode resolutions so you need to check the specs on both, the monitor and the converter wasn't there someone there who can help configure the RPi, then you can try alternate settings I use the same generic option below, that's probably what you have now, hdmi_safe=1 hdmi_group=1 hdmi_mode=1 then you can try alternate options, hdmi_group=2 hdmi_mode=8 hdmi_ignore_edid=0xa5000080 config_hdmi_boost=4 disable_overscan=1 and then here's some of the sites to provide the explanation of the various settings, http://elinux.org/RPiconfig#Video_mode_options http://elinux.org/R-Pi_Troubleshooting#No_HDMI_output_at_all http://elinux.org/R-Pi_Troubleshooting#HDMI_-.3E_VGA_adapters and this is available from RPI support, compare this to the model# for your monitor, and the specs of that converter HDMI-VGA conversion may post compatibility problems under the following conditions * The HDMI source has different refresh rate than the VGA display * The VGA display (projector, monitor or TV) does NOT support the resolutions as output from the HDMI source (480i, 480p, 576i, 576p, 800x600, 720i, 720p, 1280x1024, 1600x1200, 1080i, 1080p) * The VGA display does NOT support interlaced resolution while the HDMI source is set to 1080i, 720i, 576i or 480i * The HDMI output of source device does NOT supply 5V/500mA power fyi, did you borrow that, not sure which model you have there, cause you can just buy the same inexpensive, and versatile one that I use here -- only $6/prime but first tinker with the settings http://tinyurl.com/y9asmu84 google foo = 10min Dan -- _ ____ / \__/ Scotty, We Need More Power !! \_/ _\__ Aye, Cap'n, but we've only got 80 col's !!
so you get the "Input not supported" box i do the same thing here, but I had no prob, i slap this on most any generic vga monitor. your monitor just might not handle every video mode that's all but also some of those converters only handle a limited selection of video mode resolutions so you need to check the specs on both, the monitor and the converter
wasn't there someone there who can help configure the RPi, then you can try alternate settings I use the same generic option below, that's probably what you have now,
hdmi_safe=1 hdmi_group=1 hdmi_mode=1
then you can try alternate options,
hdmi_group=2 hdmi_mode=8 hdmi_ignore_edid=0xa5000080 config_hdmi_boost=4 disable_overscan=1 and then here's some of the sites to provide the explanation of the various settings, http://elinux.org/RPiconfig#Video_mode_options http://elinux.org/R-Pi_Troubleshooting#No_HDMI_output_at_all http://elinux.org/R-Pi_Troubleshooting#HDMI_-.3E_VGA_adapters
and this is available from RPI support, compare this to the model# for your monitor, and the specs of that converter HDMI-VGA conversion may post compatibility problems under the following conditions * The HDMI source has different refresh rate than the VGA display * The VGA display (projector, monitor or TV) does NOT support the resolutions as output from the HDMI source (480i, 480p, 576i, 576p, 800x600, 720i, 720p, 1280x1024, 1600x1200, 1080i, 1080p) * The VGA display does NOT support interlaced resolution while the HDMI source is set to 1080i, 720i, 576i or 480i * The HDMI output of source device does NOT supply 5V/500mA power
Errrr most of that is gibberish to me. I have a generic HDMI-VGA adapter. It works fine, such as when I connect it from my Chromebook HDMI out to a ordinary LCD monitor or projector. All I did today was plug the HDMI end into the Pi and the VGA end into a 10-year-old 15" VGA LCD. No big fancy test. Bill Dudley is our Pi expert. Last weekend he found some issue and wasn't able to log in remotely. So we cannot check any Pi settings because we cannot see its display. :)
On Sun, Aug 20, 2017 at 12:34 AM, Evan Koblentz via vcf-midatlantic < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
so you get the "Input not supported" box
i do the same thing here, but I had no prob, i slap this on most any generic vga monitor. your monitor just might not handle every video mode that's all but also some of those converters only handle a limited selection of video mode resolutions so you need to check the specs on both, the monitor and the converter
wasn't there someone there who can help configure the RPi, then you can try alternate settings I use the same generic option below, that's probably what you have now,
hdmi_safe=1 hdmi_group=1 hdmi_mode=1
then you can try alternate options,
hdmi_group=2 hdmi_mode=8 hdmi_ignore_edid=0xa5000080 config_hdmi_boost=4 disable_overscan=1 and then here's some of the sites to provide the explanation of the various settings, http://elinux.org/RPiconfig#Video_mode_options http://elinux.org/R-Pi_Troubleshooting#No_HDMI_output_at_all http://elinux.org/R-Pi_Troubleshooting#HDMI_-.3E_VGA_adapters
and this is available from RPI support, compare this to the model# for your monitor, and the specs of that converter HDMI-VGA conversion may post compatibility problems under the following conditions * The HDMI source has different refresh rate than the VGA display * The VGA display (projector, monitor or TV) does NOT support the resolutions as output from the HDMI source (480i, 480p, 576i, 576p, 800x600, 720i, 720p, 1280x1024, 1600x1200, 1080i, 1080p) * The VGA display does NOT support interlaced resolution while the HDMI source is set to 1080i, 720i, 576i or 480i * The HDMI output of source device does NOT supply 5V/500mA power
Errrr most of that is gibberish to me.
well, get some who doesn't think it's gibberish, where's your tech help over there, the one who set up the RPI this isn't windows plug 'n play crap
I have a generic HDMI-VGA adapter. It works fine, such as when I connect it from my Chromebook HDMI out to a ordinary LCD monitor or projector.
ok cool,' then most likely the monitor is lacking some video modes, obviously the generic settings, which is the highest video mode, so you just have to use a lower video mode that's what the "gibberish" is for either learn it or get someone
All I did today was plug the HDMI end into the Pi and the VGA end into a 10-year-old 15" VGA LCD. No big fancy test.
ok like I mentioned , it's might be lacking some video modes like 1080 [the generic settings] for that old LCD most of the common variety these days for the past 5+yrs can handle 1080
Bill Dudley is our Pi expert.
oook go get him
Last weekend he found some issue and wasn't able to log in remotely.
So we cannot check any Pi settings because we cannot see its display. :)
wait you said the smaller monitor was only to fit in the rack, so you never had a monitor at all ?? umm, this sounds -you-know-what if you can't log in remotely that's a diff issue [I'm sure he knows what to do there] but --at least-- you like to get it working first, before trying to shrink anything, just use a modern LCD for now for this, that handles 1080[generic setting] -- _ ____ / \__/ Scotty, We Need More Power !! \_/ _\__ Aye, Cap'n, but we've only got 80 col's !!
On Sun, Aug 20, 2017 at 12:55 AM, Evan Koblentz via vcf-midatlantic < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
if you can't log in remotely that's a diff issue [I'm sure he knows what
to do there]
No, it's quite a dilemma, we need a monitor connected to log in to fix the problem.
just use a modern LCD for now
Read the subject line. :)
dude, I know how to @#$#% read yo need know how to #$#%$ troublshoot so get somebody who can, and wuit this email tag BS Rule#1 get it working first, ie, connect standard LCD monitor[1080] using the generic settings it >already< has Rule#2 fix your remote login, etc, etc, etc on a nice happy looking #$#%@ LCD monitor with 1080 Rule#3 Then, make changes to fit your location, ie small monitor for your rack Note: need linux tech support help -- _ ____ / \__/ Scotty, We Need More Power !! \_/ _\__ Aye, Cap'n, but we've only got 80 col's !!
Rule#1 get it working first, ie, connect standard LCD monitor[1080] using the generic settings it >already< has
Rule#2 fix your remote login, etc, etc, etc on a nice happy looking #$#%@ LCD monitor with 1080
Rule#3 Then, make changes to fit your location, ie small monitor for your rack Note: need linux tech support help
You're entirely missing the point. Pi was working fine. It still does work fine, in that it's functioning correctly as a file server to the tablets. Bill Dudley knows Unix/Linux as well as anyone I've ever met. However he found that he was suddenly unable to remotely log in the other day. Thus we need to connect a display directly to the Pi. We could spend a bunch of time trying to get a VGA working with it, or we could just get the right monitor in the first place -- one with an HDMI input.
But you already have multiple HDMI displays in the museum? I'm not sure what more you need? On Sun, Aug 20, 2017 at 1:08 AM, Evan Koblentz via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
Rule#1 get it working first, ie, connect standard LCD monitor[1080] using the generic settings it >already< has
Rule#2 fix your remote login, etc, etc, etc on a nice happy looking #$#%@ LCD monitor with 1080
Rule#3 Then, make changes to fit your location, ie small monitor for your rack Note: need linux tech support help
You're entirely missing the point.
Pi was working fine.
It still does work fine, in that it's functioning correctly as a file server to the tablets.
Bill Dudley knows Unix/Linux as well as anyone I've ever met.
However he found that he was suddenly unable to remotely log in the other day.
Thus we need to connect a display directly to the Pi.
We could spend a bunch of time trying to get a VGA working with it, or we could just get the right monitor in the first place -- one with an HDMI input.
But you already have multiple HDMI displays in the museum? I'm not sure what more you need?
We have one mounted to the museum ceiling and another mounted to the hallway ceiling. Those are both 32" and not exactly in convenient locations for this purpose. :) We need a smaller one that would live inside the rack.
Right, kind of inconvenient, but you can use one of them to fix the problem you're having, then configure the resolutions so that you can use the regular monitor you already have, or set it to use a serial console. Ideally, the pi would run and do it's thing without *ever* needing a monitor. On Sun, Aug 20, 2017 at 1:24 AM, Evan Koblentz via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
But you already have multiple HDMI displays in the museum? I'm not sure what more you need?
We have one mounted to the museum ceiling and another mounted to the hallway ceiling.
Those are both 32" and not exactly in convenient locations for this purpose. :)
We need a smaller one that would live inside the rack.
I know you guys are way smarter than this, but why not remove the Pi from the rack, take it to the required monitor (and keyboard, and return it when fixed? Since it isn't working anyway, no one will miss it. when it is working, it will be apparent (on the same network), and you can move it back. The reboot will prove it is fixed and all this will well - or am I missing something? This must be are more complicated that I immagined. Jim On Sun, 20 Aug 2017, Ian Primus via vcf-midatlantic wrote:
Date: Sun, 20 Aug 2017 01:26:41 -0400 From: Ian Primus via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> To: vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> Cc: Ian Primus <ian.primus.ccmp@gmail.com> Subject: Re: [vcf-midatlantic] Monitor needed for museum
Right, kind of inconvenient, but you can use one of them to fix the problem you're having, then configure the resolutions so that you can use the regular monitor you already have, or set it to use a serial console. Ideally, the pi would run and do it's thing without *ever* needing a monitor.
On Sun, Aug 20, 2017 at 1:24 AM, Evan Koblentz via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
But you already have multiple HDMI displays in the museum? I'm not sure what more you need?
We have one mounted to the museum ceiling and another mounted to the hallway ceiling.
Those are both 32" and not exactly in convenient locations for this purpose. :)
We need a smaller one that would live inside the rack.
js@sdf.org SDF Public Access UNIX System - http://sdf.lonestar.org
We can't shut it down without remote access. Remote access is broken. We can't fix that without a monitor attached to it where it sits right now. Bill Dudley On Aug 21, 2017 11:50 AM, "Jim Scheef via vcf-midatlantic" < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
I know you guys are way smarter than this, but why not remove the Pi from the rack, take it to the required monitor (and keyboard, and return it when fixed? Since it isn't working anyway, no one will miss it. when it is working, it will be apparent (on the same network), and you can move it back. The reboot will prove it is fixed and all this will well - or am I missing something? This must be are more complicated that I immagined. Jim
On Sun, 20 Aug 2017, Ian Primus via vcf-midatlantic wrote:
Date: Sun, 20 Aug 2017 01:26:41 -0400
From: Ian Primus via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> To: vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> Cc: Ian Primus <ian.primus.ccmp@gmail.com> Subject: Re: [vcf-midatlantic] Monitor needed for museum
Right, kind of inconvenient, but you can use one of them to fix the problem you're having, then configure the resolutions so that you can use the regular monitor you already have, or set it to use a serial console. Ideally, the pi would run and do it's thing without *ever* needing a monitor.
On Sun, Aug 20, 2017 at 1:24 AM, Evan Koblentz via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
But you already have multiple HDMI displays in the museum? I'm not
sure what more you need?
We have one mounted to the museum ceiling and another mounted to the hallway ceiling.
Those are both 32" and not exactly in convenient locations for this purpose. :)
We need a smaller one that would live inside the rack.
js@sdf.org SDF Public Access UNIX System - http://sdf.lonestar.org
Bill, Are you looking for an HDMI monitor that defaults to 1920×1080 ? Martin On 8/21/2017 1:12 PM, William Dudley via vcf-midatlantic wrote:
We can't shut it down without remote access. Remote access is broken. We can't fix that without a monitor attached to it where it sits right now.
Bill Dudley
On Aug 21, 2017 11:50 AM, "Jim Scheef via vcf-midatlantic" < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
I know you guys are way smarter than this, but why not remove the Pi from the rack, take it to the required monitor (and keyboard, and return it when fixed? Since it isn't working anyway, no one will miss it. when it is working, it will be apparent (on the same network), and you can move it back. The reboot will prove it is fixed and all this will well - or am I missing something? This must be are more complicated that I immagined. Jim
On Sun, 20 Aug 2017, Ian Primus via vcf-midatlantic wrote:
Date: Sun, 20 Aug 2017 01:26:41 -0400
From: Ian Primus via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> To: vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> Cc: Ian Primus <ian.primus.ccmp@gmail.com> Subject: Re: [vcf-midatlantic] Monitor needed for museum
Right, kind of inconvenient, but you can use one of them to fix the problem you're having, then configure the resolutions so that you can use the regular monitor you already have, or set it to use a serial console. Ideally, the pi would run and do it's thing without *ever* needing a monitor.
On Sun, Aug 20, 2017 at 1:24 AM, Evan Koblentz via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
But you already have multiple HDMI displays in the museum? I'm not
sure what more you need?
We have one mounted to the museum ceiling and another mounted to the hallway ceiling.
Those are both 32" and not exactly in convenient locations for this purpose. :)
We need a smaller one that would live inside the rack.
js@sdf.org SDF Public Access UNIX System - http://sdf.lonestar.org
Why not the official Raspberry PI touchscreen. The PI mounts right to it. Raspberry Pi 7" Touchscreen Display https://www.amazon.com/dp/B0153R2A9I/ref=cm_sw_r_cp_apa_pl2MzbH8MR7AF Or one of these little standalone monitors... Sunfounder 7" HD 1024x600 TFT LCD Screen Display AV/VGA/HDMI Monitor Built-in Speaker for CCTV Computer PC DVR Home Office Raspberry Pi 3, 2 1 Model B B+ Kano https://www.amazon.com/dp/B012ZRYDYY/ref=cm_sw_r_cp_apa_Qn2Mzb4H2B7PD On Aug 21, 2017 6:44 PM, "Evan Koblentz via vcf-midatlantic" < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
Are you looking for an HDMI monitor that defaults to 1920×1080 ?
I'm pretty sure the resolution does not matter. Just something physically small enough to fit in the rack but not too small to be useful.
And bigger would be gooder, since an X desktop on a 7 inch monitor will wear out my squinting muscles in no time. We don't really need a touch screen; we can just hook a USB keyboard and mouse to it and that will work fine. So a 19" or 17" unit would be good for my aging eyes. Bill Dudley This email is free of malware because I run Linux. On Mon, Aug 21, 2017 at 6:59 PM, Evan Koblentz via vcf-midatlantic < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
Why not the official Raspberry PI touchscreen. The PI mounts right to it. .... Or one of these little standalone monitors
That sort of thing would work fine.
Our budget is tight lately so we're hoping for a donation.
I stumbled on this tidbit in Pi-for-newbies site: "The TV pads allow you to connect an RCA jack to the board instead of using the HDMI out." Hmmmmmmm..... That sounds helpful at home and at the museum too.
I stumbled on this tidbit in Pi-for-newbies site: "The TV pads allow you to connect an RCA jack to the board instead of using the HDMI out."
Hmmmmmmm.....
That sounds helpful at home and at the museum too.
Continuing to think aloud: the big monitor already installed above our workbench has composite input. I know it works because I tested it with a Laser 128 not long ago. Unlike the HDMI monitor on the museum ceiling (facing the door), the composite monitor in the workshop can be comfortably viewed from anywhere. Plus a long RCA cable is something I have laying around, vs. buying a long HDMI cable. :)
The problem is that you have to log in to the computer to edit the configuration file to switch from HDMI to composite video. Maybe it already is set to composite. I guess its worth a try to see if there is any display on the monitor. Bill Sent from Mail for Windows 10 From: Evan Koblentz via vcf-midatlantic Sent: Tuesday, August 22, 2017 12:36 AM To: Evan Koblentz via vcf-midatlantic Cc: Evan Koblentz Subject: Re: [vcf-midatlantic] Monitor needed for museum
I stumbled on this tidbit in Pi-for-newbies site: "The TV pads allow you to connect an RCA jack to the board instead of using the HDMI out."
Hmmmmmmm.....
That sounds helpful at home and at the museum too.
Continuing to think aloud: the big monitor already installed above our workbench has composite input. I know it works because I tested it with a Laser 128 not long ago. Unlike the HDMI monitor on the museum ceiling (facing the door), the composite monitor in the workshop can be comfortably viewed from anywhere. Plus a long RCA cable is something I have laying around, vs. buying a long HDMI cable. :)
participants (8)
-
Dan Roganti -
Evan Koblentz -
Ian Primus -
Jim Scheef -
jsalzman＠gmail.com -
Martin A Flynn -
William Dromgoole -
William Dudley