No output on EPIA-M serial port

Greg Watson gwatson at lanl.gov
Wed Mar 24 17:14:00 CET 2004


Does the EPIA-M have a 256KB flash or a 512KB flash? I just ran into 
this problem with the EPIA. If you flash the wrong size image then 
nothing works at all.

Greg

On 24/03/2004, at 3:02 PM, Shawn Perkin wrote:

> Hello all,
>
>  
>
> I’m currently in the process of trying to get Linuxbios to work on my 
> Via EPIA-M with no success. I have successfully complied Etherboot 
> 5.2.0 as my payload, and performed a successful build of Linuxbios. I 
> burned the image without any errors and rebooted the system. I then 
> had absolutely no output on either serial port, or local display. I 
> currently have 256 MB of ram in the unit, and have tried a build with 
> and without the extracted vgabios.bin. I have included my config file 
> for your review. Any help would be greatly appreciated.
>
>  
>
> Shawn
>
>  
>
> #
>  # LinuxBIOS config file for: VIA epia-m mini-itx
>  #
>
>  target /usr/local/build/epia-m
>
>  # via epia
>  mainboard via/epia-m
>
>  # Enable Serial Console for debugging
>  option SERIAL_CONSOLE=1
>  #option SERIAL_POST=1
>  option TTYS0_BAUD=115200
>  #option TTYS0_BAUD=57600
>  option HAVE_FRAMEBUFFER=1
>  option CONFIG_VGABIOS=1
>  option CONFIG_REALMODE_IDT=1
>  dir src/bioscall
>  option CONFIG_PCIBIOS=1
>  option VGABIOS_START=0xfffe0000
>  #addaction romimage dd if=../vgabios.bin of=romimage bs=65536 seek=2 
> conv=sync conv=notrunc
>  option CONFIG_EPIAMVERSIONSTRING="5.0.0E-" __DATE__ " " __TIME__
>  #target /ram/freebios/obj
>  #payload /code/bootfiles/etherboot/via6105m.ebi
>
>  option DEFAULT_CONSOLE_LOGLEVEL=9
>  option DEBUG=1
>
>  # Use 256KB Standard Flash as Normal BIOS
>  option RAMTEST=1
>  option USE_GENERIC_ROM=1
>  option STD_FLASH=1
>  #option ZKERNEL_START=0xfffc0000
>  option ROM_SIZE=262144
>
>  # payload size = 192KB
>  option PAYLOAD_SIZE=196608
>
>  # use ELF Loader to load Etherboot
>  option USE_ELF_BOOT=1
>
>  # Use Etherboot as our payload
>  payload /home/shawnp/bios/etherboot-5.2.0/src/bin/via-rhine.elf
>  # payload /opt/cwlinux/memtest86/memtest
>  




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