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According to Wikipedia: The DVI support : (Single) WUXGA (1,920 × 1,200) @ 60 Hz (Dual) Limited by copper bandwidth limitations, DVI source limitations, and DVI sink limitations. The HDMI 1.4a support only 4096×2160p24 over a single link. The VGA can go up to 2048x1536px @85 Hz (388 MHz), and rarely 2560x1920 @63 Hz.
The same VGA cable can be used with a variety of supported VGA resolutions, ranging from 320×400px @70 Hz, or 320×480px @60 Hz (12.6 MHz of signal bandwidth) to 1280×1024px (SXGA) @85 Hz (160 MHz) and up to 2048×1536px (QXGA) @85 Hz (388 MHz). There are no standards defining the quality required for each resolution, but higher-quality ...
6. The VGA standard cable has no limit resolution, but a longer cable will catch more noise until a point where it limits the resolution. So the only thing that limits the resolution is the bandwidth that the cable is able to transfer, if the cable is unable to transfer enought bandwidth to make a complete 1920x1200 screen, the only thing that ...
5. I know there's no standards on VGA connectors/port for max resolution. You should check your laptop's specs to see what the max it will output as a starter. Wikipedia says with sufficient quality cable, up to 2048x1536@85 Hz is possible. A laptop with just a VGA card, most likely the max resolution it will support externally will work fine.
DisplayPort 1.2 Max resolution: 2560x1600 per display Multi-Stream Transport 21.6 Gbps bandwidth High bit-rate audio HDMI 1.4a with Stereoscopic 3D Frame Packing Format, Deep Color, xvYCC wide gamut support, and high bit-rate audio Max resolution: 1920x1200 Dual-link DVI with HDCP Max resolution: 2560x1600 VGA Max resolution: 2048x1536
3. Yes, HDMI to VGA conversion must be limited because VGA standard is limited by the frequency of 400 MHz. This means you cannot get above ex. 2581 * 2581 * 60 Hz = 400 MHz, even if the hardware (RAMDAC) is premium. Usually there is an arbitrary limit because of quality loss already at 1440 and even 1280 lines. vga works fine when connected ...
It is the interface that is limiting the resolution. In the link I first posted, I was trying to show that people look at VGA and UXGA as being the same (compatible). Most people look at a UXGA as being a VGA and don't really know of UXGA or a difference. Therefore, they state that VGA's max res is 1600X1200. –
Open terminal. virt-manager. Open VM settings. Go to "Video" tab. Change to "Virtio". Run / restart VM. Open settings in guest OS (eg I run Debian 10 with XFCE so I open XFCE settings) Change display resolution. Here's a screenshot of the relevant tab on virt-manager.
Max resolution: 4096x2160 per display HBR2 support Multi-Stream Transport 21.6 Gbps bandwidth High bit-rate audio Quad FullHD/4k video support. HDMI® (With 4K, 3D, x.v.Color™ and Deep Color) Max resolution: 4096x2160 1080p60 Stereoscopic 3D Quad FullHD/4k video support. Dual-link DVI with HDCP.
It can't be done. The VESA interface works by assigning modes integer identifiers, not by specifying the X and Y resolution. There is simply no integer you can specify that corresponds to 1280x800 in your graphics card's implementation. (Otherwise, you would be able to select it because the default VGA driver would detect it.)