ASUS P4C800-E Deluxe Build Tutorial

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The wiki is being retired!

Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to Contributions welcome!


This is just a work-in-progress status page, the port is not functional yet.


I started gathering informations about ASUS P4C800-E Deluxe motherboard

  • the Intel i875P is currently not supported by coreboot, here are datasheets:
  • It will perhaps need "82875P/E7210 Processor to PCI to CSA Bridge" register setup to have onboard ethernet working...


  • Intel i875P Northbridge
  • Intel i82801ER (ICH5R) Southbridge
  • Winbond W83627THF-A Super I/O (ISA 290h) (
  • Intel P4 Prescott (stepping 9) Socket 478 CPU 2.80 GHz
  • 2 * 512 MB PC-3500 DDR-SDRAM Corsair XMS CMX512-3500C2 433 MHz
  • RD1 PMC4 BIOS Savior on PLCC socket
  • PMC Pm49FL004T-33JC - spare flash chips for work and backup (in case I flash the RD1 with a non working image)
  • SST 49LF004B 33-4C-NH - spare, not tested




Information gathering

All output from these tools are on ASUS P4C800-E Deluxe Build Tutorial/Infos.

  • /proc/interrupts
  • dmidecode - Flash ROM chip size
  • getpir - infos for irq_tables.c & mptable.c
  • mptable - infos for mptable.c
  • superiotool -dV - infos for device tree
  • flashrom -V - Is your motherboard flashrom capable (northbridge + super I/O + flash chip)
  • lspci -tnvv - PCI bus tree from legacy BIOS
  • lspci -vvvxx - PCI devices informations