EPIA VGA and keyboard fail when booting from V2 linuxbios

[zhu shi song]

I have boot my epia board successfully using V2
Linuxbios.  I can see filo loading linux kernel to
boot..But there are some problems:
(1)keyboard fail
(2)vga fail
(3)my kernel boot fail, I can't see any prompt message
from serial.  How can I configure my kernel to support
serial output?
  tks
  zhu

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