VIA EPIA-P820

Contents

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

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

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"

To be tested

Set Driver value under Device to "vesa"

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

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)

There is a submitted bug pertaining to kernel module snd_hda_codec_via

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