User panel stuff on forum
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General Discussion
2012-05-23, 16:17
Member
29 posts

Registered:
Jan 2009
Hello!

Can some one tell me wich 120hz TFT can be used on HDMI or VGA?
My notebook gfx card dont have a DVI output.

I have readed, hdmi can only handle 60hz yet, maybe thats changed.
And if i can use 120hz on old VGA port i maybe need a adapter to get a VGA port on a modern TFT cause they only have dvi and hdmi?
2012-05-23, 16:37
Moderator
1329 posts

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Apr 2006
That's a tough question. Getting 120Hz from VGA can prove to be difficult with 120Hz TFTs unless ran on lower than native resolution, so I wouldn't bet my money on doing that. You should probably do a google search about it, and maybe even send email to TFT manufacturers asking about it.

As for the HDMI and 120Hz, I don't think that's going to happen. You are most likely able to get 3d from movies and such but not real 120Hz support for 2d-modes.

You are in a really bad position here, your laptop should have either DisplayPort connector or then that DVI dual-link connector, and there would probably be no problems.
Servers: Troopers
2012-05-23, 17:15
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Jan 2009
Ok, thanks.

Some one suggested me a docking station, not all notebooks support this, mine for example not native but via usb, then i have DVI port!
Now its still a bit strange over usb, hope it will fit for my needs.

(the docking station is universal but special for my notebook, the manufacturer has only one dockingstation for all notebooks: http://www.asus.de/Peripherals_Accessories/Docking_Station/USB20_HZ1_DOCKINGSTATION/ )

(Edited 2012-05-23, 17:26)
2012-05-23, 17:59
Member
29 posts

Registered:
Jan 2009
god damit!

asus notebooks have only one docking station, and it will connect over usb... then i would have DVI. But some one told me, you can drop it cause USB wont handle the bandwith of 120hz DVI over USB....
2012-05-24, 11:55
Member
29 posts

Registered:
Jan 2009
I heard its possible to put a DVI Adapter on the HDMI wire, so i go out of the gfx card via hdmi and go into the screen via DVI.
Can some one confirm this?
2012-05-24, 12:37
Member
29 posts

Registered:
Jan 2009
ok, asus support answered, the dvi of the dockingstation is not able to handle 120hz DVI.
now i asked at benq about the possibilty to use a hdmi to dvi adapter cable.
also i asked the cable manufacturer about the possibility.
2012-05-24, 12:52
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Apr 2006
HDMI->DVI still sports the bandwidth of the HDMI, so you will not be getting 120Hz on this case, just not enough bandwidth.
Servers: Troopers
2012-05-24, 16:15
Member
14 posts

Registered:
Apr 2012
As Renzo said, you're only as fast as your slowest link. Without a native displayport or dual-link dvi on your laptop, you are limited to the bandwidth of your usb, vga and hdmi ports. You will not achieve a digital link. You're likely looking at having to do some wizardry with your display modes on that vga port if anything.
2012-05-24, 21:05
Administrator
1025 posts

Registered:
Apr 2006
The problem when wanting to attach a 120Hz screen from laptop via HDMI->DVI is usually that you only have one clock signal, so you need to use an active dual link DVI adapter that has electronics to produce a second clock signal. They cost about $130-150 though.

Most 120Hz TFT screens only support 120Hz via DVI.
2012-05-28, 15:19
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1 post

Registered:
May 2012
HDMI just doesnt support 120hz.
2012-08-05, 12:23
Administrator
887 posts

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Jan 2006
I just love the spam part of this site.

(Edited 2012-08-05, 12:23)
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