#How can I use CRT TV?

53 messages · Page 1 of 1 (latest)

uneven knot
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Hi, I have both an AMD R5 240 with VGA output, is it possible to output VGA from my GPU, then convert to component and connect to CRT TV?

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Sorry meant to say just an, not both an

frosty crown
uneven knot
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Yes

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Like do I need to install some drivers or software?

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Also to be clear, it's not active, it's passive if that's what you meant

frosty crown
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I don’t think that would work. From what I know, the R5 240 does not support component output over VGA, so a passive adapter will not work

uneven knot
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Also I said TV because it's a 240p/480i SD TV, not a PC monitor, hence the difficulty

frosty crown
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Passive adapters only work if the GPU outputs YPbPr natively, which the R5 240 does not.

uneven knot
frosty crown
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Let me see

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One sec

uneven knot
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Wait

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It's an R7 240, not R5

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They're different GPUs

frosty crown
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That unfortunately reinforces the same conclusion

frosty crown
uneven knot
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Ah, even though it has SCART output?

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Could it not output anything that's 15.6Khz?

frosty crown
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Does your GPU itself have a SCART connector?

uneven knot
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No, sorry

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VGA

frosty crown
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I think because it’s passive, it won’t work

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I think the converter has to be active

uneven knot
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I see

frosty crown
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(I could be wrong, but I think I am right)

uneven knot
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Do you know what GPUs can output it though natively? I may have one that would work

frosty crown
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Older ATI Radeon cards I think can

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Like pre-2008 era

uneven knot
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Okay

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I might have a like 67 something somewhere

frosty crown
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I believe that would work

uneven knot
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Maybe I could still attempt the 240?

frosty crown
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Uh perhaps

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But you’d probably want it to be 480

uneven knot
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What would I need to install or do on my PC to try?

frosty crown
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Oh wait

uneven knot
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Yeah that's the issue, I tried on Windows 10 but Windows 10 refuses to output 480i

frosty crown
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Sorry I read that wrong

frosty crown
uneven knot
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It appeared to recognise the monitor though

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I tried CRU among other things, tried changing the GPU bios too but it just refused to go below 640x480p or 960x576i

I need 320x240p or 640x480i, ideally able to easily switch between both

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So I was hoping with the flexibility of Linux, it should just let me do any resolution

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While I wait for you maybe find something, I'll give it a try. It'll take me 15mins to install my GPU and the cabling

frosty crown
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Hmm

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I suppose you can try

uneven knot
# frosty crown I suppose you can try

So very frustratingly, I've tried to get it to work, my GPU is definitely working, it detects my CRT but it just won't give me anything but a black screen, I've tried different timings, using xandr and so on and nothing seems to work

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I think it might be the cable not being compatible, I tried using direct VGA to SCART cable

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apparently it might need specific wiring

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I'm having the same issue I did on Windows where it just won't let me select anything lower than 640x480@60hz

CRT.png
frosty crown
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Hmmm