Intel® HD Graphics - Was: Cheap mobo that doesn't cause issues with Ubuntu.

Ralf Mardorf silver.bullet at zoho.com
Wed Feb 22 07:01:20 UTC 2017


On Fri, 17 Feb 2017 12:08:52 +0100, Ralf Mardorf wrote:
>On Wed, 15 Feb 2017 12:30:59 -0700, compdoc wrote:
>>That means if you want to spend less, get a celeron. I only use 
>>Pentiums, which can read/write cpu caches many times faster than any
>>AMD APU, and can read/write main memory about 3 times faster than any
>>APU. To me, thats as important to the over-all speed of a system, as
>>the ability to crunch numbers. The celeron should be similar, but
>>likely has smaller caches.
>
>I ordered Intel :).
>
>A Gigabyte GA-B85M-D3H and an Intel Celeron Dual-Core G1840.

Hi,

if I use the new mobo with the default vertical frequency 60 Hz, e.g.
when booting an Ubuntu flavour live DVD or at the bootloader menu,
there's an annoying flashing line in the upper left corner of the CRT
monitor, what ever settings I'm using for the monitor, e.g. even if I
zoom in at max. The flashing isn't noticeable for 1152x864 at 90 Hz. I
still need to test if it's possible to select a higher vertical
frequency without an xorg.conf, but I doubt that xrandr will allow
other frequencies without xorg.conf.

I sometimes need an old Ubuntu Quantal and booting it does end with a
black screen. If I boot with "nomodeset" I don't get a black screen,
but then it suffers from the 60 Hz issue.

$ grep LABEL\ Light -A4 syslinux.cfg
LABEL Light
    MENU LABEL Ubuntu ^Q LightScribe Rt
    LINUX /.boot/ubuntu_q/boot/vmlinuz-3.6.5-rt14
    APPEND root=LABEL=q ro nomodeset
    INITRD /.boot/ubuntu_q/boot/initrd.img-3.6.5-rt14

Is this a known issue for Intel HD Graphics?

I've never experienced this before, when using NVIDIA and ATI graphics.

Regards,
Ralf




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