On 25/01/2019 11:56, Rob Malpass via Hampshire wrote:
>
> Hi all
>
>
>
> Does anyone know of a clever video “upscaler” which converts very low
> res (i.e. text) VGA to HDMI. I have a lot of still working old kit
> which is outputting VGA. The trouble is the BIOS screen (these are
> nigh on 10 years old machines) is not UEFI, it’s still text mode
> VGA. I have tried various HDMI solutions (including going VGA to
> SCART and SCART to HDMI – which works fine on a BBC Micro btw!) but
> none of my HDMI monitors can handle this. They can handle things
> fine when these old machines get into a graphics mode – but on a text
> mode like the BIOS (or running Ubuntu server) – no dice.
>
>
>
> Of course, given it’s old hardware, it’s quite often the BIOS that
> needs checking for CMOS battery, RAM failure etc.
>
>
>
> At present, I have a nasty hack where I send the output of a given old
> machine to a mechanical KVM which switches the video output between a
> 14” monitor that can handle these text modes and a monitor with VGA to
> HDMI conversion (which handles anything over 640x480 fine but can’t
> handle lo-res text modes). So when it boots to lo-res mode, I use
> the 14” monitor and the moment it switches to a graphics mode – I
> flick the KVM over to a (VGA converted to HDMI) modern monitor.
>
>
>
> Any ideas anyone? FWIW the upscaler I’ve tried is [1]
>
>
>
> Cheers
>
> Rob
>
>
>
> [1]
> https://www.ebay.co.uk/itm/SCART-HDMI-to-HDMI-720P-1080P-HD-Video-Converter-Adapter-UK-Plug-For-DVD-STB/183573964461?_trkparms=aid%3D555017%26algo%3DPL.CASSINI%26ao%3D1%26asc%3D20170912102056%26meid%3D22a8ffe8c8e94938b3e80082bdf22309%26pid%3D100753%26rk%3D1%26rkt%3D1%26%26itm%3D183573964461&_trksid=p2045573.c100753.m4841
>
>
You might try looking here - although it is a US company:
https://www.cablematters.com/c-141-adapters.aspx
--
Regards David
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