VIA EPIA-P820

Pico-ITX VIA EPIA-P820 ideal for embedded systems. 64-bit 1.2GHz U2500 VIA Nano processor, 2GB DDR

http://www.via.com.tw/en/images/products/mainboards/pico_itx/epia-p820/epia-p820.jpg

Ubuntu 10.10 Maverick Meerkat

Video

user@box:~$ lspci | grep VGA
00:01.0 VGA compatible controller: VIA Technologies, Inc. VX855/VX875 Chrome 9 HCM Integrated Graphics

Grub2

edit GRUB_CMDLINE_LINUX_DEFAULT in file /etc/default/grub to set VIA framebuffer

GRUB_CMDLINE_LINUX_DEFAULT="splash quiet video=viafb:viafb_mode=800x600,viafb_bpp=32,viafb_refresh=60"

add the following line to the end of file

/etc/grub.d/40_custom

set gfxterm_font="20"
set gfxmode="800x600x32"
set gfxpayload="800x600x32"
insmod gfxterm
insmod vbe
insmod tga
terminal_output gfxterm

then update grub

sudo update-grub2

Open Chrome

Example xorg.conf file

Set Driver value under Device to "openchrome"

Section "Device"
  Identifier  "Card0"
  Driver      "openchrome"
  BusID       "PCI:0:1:0"
EndSection

OpenChrome Device options of note:

needed for setting resolution, adjust to the size you need

        Option     "VBEModes" "true"
        Option     "PanelSize"   "800x600"
        Option     "ForcePanel" "true"

Missing mouse cursor

       Option     "SWCursor"        "true"

https://help.ubuntu.com/community/OpenChrome#VIA%20proprietary%20graphics%20driver

VIA Chrome

To be tested

Vesa

Set Driver value under Device to "vesa"

Section "Device"
  Identifier  "Card0"
  Driver      "vesa"
  BusID       "PCI:0:1:0"
EndSection

Audio

user@box:~$ lspci | grep -i audio
00:14.0 Audio device: VIA Technologies, Inc. VT1708/A [Azalia HDAC] (VIA High Definition Audio Controller) (rev 20)

No Sound

There is a submitted bug pertaining to kernel module snd_hda_codec_via

https://bugzilla.kernel.org/show_bug.cgi?id=14976

Currently a workaround is to blacklist the module, until the issue is resolved.

echo "echo \"blacklist snd_hda_codec_via\" >> /etc/modprobe.d/blacklist.conf" | sudo bash

See Also

External Links

EpiaP820 (last edited 2011-04-21 05:06:03 by sbin.init)