Date: Thu, 20 Jul 2017 20:02:48 -0400 From: "James B. Byrne" <byrnejb@harte-lyne.ca> To: freebsd-questions@freebsd.org Subject: UEFI and FreeBSD-11 Message-ID: <971f810719a155f3963f2ff37c3488d3.squirrel@webmail.harte-lyne.ca>
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My CentOS-6 based workstation is dying a slow death due to bit rot and so I decided to swap out the existing disc drive for another. Given that I had to reinstall anyway I decided that now was the time to try out FreeBSD-11 as a desktop. This Intel based system had UEFI enabled. Apparently this may have a surprising, to me, effect on the video display used for the system console in text mode. For whatever reason the boot process insists on treating a 480x640 60Hz display as 800 x 480 at some other refresh rate, probably 75Hz. This produces a difficult to read flickering display and oddball presentation artifacts such as typing at a cursor presented mid way from the top over existing text and displaying the output at the bottom of the screen. Is this a known phenomenon? Is there something that I am supposed to do to get this to work properly or do I just disable UEFI? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3
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