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Revision as of 23:50, 27 October 2007 by Uwe (talk | contribs) (Initial version of a LinuxBIOS HOWTO / status page for the AZZA PT-IBD boards. Contributed by zxy_64-2 on IRC, released by him under the GPL, version 2 or later.)
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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 page describes how to use LinuxBIOS on the AZZA PT-6IBD.

After noticing that my motherboard is not fully supported I found much appreciated help on IRC. I submited some of my data to the guys there and with some patching things finally booted. ;)


Device/functionality Status Comments
CPU works OK
L1 cache enabled Unknown
L2 cache enabled Unknown
L3 cache enabled Unknown
Multiple CPU support Unknown
Multi-core support Unknown
Hardware virtualization Unknown
EDO Unknown
SDRAM Unknown
SO-DIMM Unknown
DDR Unknown
DDR2 Unknown
DDR3 Unknown
Dual channel support Unknown
ECC support Unknown
On-board Hardware
On-board IDE 3.5" Unknown
On-board IDE 2.5" Unknown
On-board SATA Unknown
On-board SCSI Unknown
On-board USB Unknown
On-board VGA Unknown
On-board Ethernet Unknown
On-board Audio Unknown
On-board Modem Unknown
On-board FireWire Unknown
On-board Smartcard reader Unknown
On-board CompactFlash Unknown
On-board PCMCIA Unknown
On-board Wifi N/A
On-board Bluetooth N/A
On-board SD card reader N/A
Add-on slots/cards
ISA add-on cards Unknown
Audio/Modem-Riser (AMR/CNR) cards Unknown
PCI add-on cards Unknown
Mini-PCI add-on cards Unknown
Mini-PCI-Express add-on cards Unknown
PCI-X add-on cards Unknown
AGP graphics cards Unknown
PCI Express x1 add-on cards Unknown
PCI Express x2 add-on cards Unknown
PCI Express x4 add-on cards Unknown
PCI Express x8 add-on cards Unknown
PCI Express x16 add-on cards Unknown
PCI Express x32 add-on cards Unknown
HTX add-on cards Unknown
Legacy / Super I/O
Floppy Unknown
Serial port 1 (COM1) Unknown
Serial port 2 (COM2) Unknown
Parallel port Unknown
PS/2 keyboard Unknown
PS/2 mouse Unknown
Game port Unknown
Infrared Unknown
PC speaker Unknown
DiskOnChip Unknown
Trackpoint N/A
Touchpad N/A
Fn Hotkeys N/A
Fingerprint Reader N/A
Docking VGA N/A
Docking LAN N/A
Docking USB N/A
Docking Audio N/A
Docking Displayport N/A
Thinklight N/A
Webcam N/A
Sensors / fan control Unknown
Hardware watchdog Unknown
SMBus Unknown
CAN bus Unknown
CPU frequency scaling Unknown
Other powersaving features Unknown
ACPI Unknown
Reboot Unknown
Poweroff Unknown
Suspend Unknown
Nonstandard LEDs Unknown
High precision event timers (HPET) Unknown
Random number generator (RNG) Unknown
Wake on modem ring Unknown
Wake on LAN Unknown
Wake on keyboard Unknown
Wake on mouse Unknown
TPM Unknown
Flashrom Unknown


To check the hardware the way LinuxBIOS sees it, I used already made programs that LinuxBIOS offers. As I use Gentoo, I hacked up a few ebuilds that install the latest svn versions of these programs. You can find them on this Gentoo Forums thread.

# superiotool -dV

Superiotool showed me which (if any) Super I/O chip is on the motherboard.

# flashrom -V

This tool showed me which (if any) ROM chip is used in the mainboard, and whether Flashrom supports it.

Build process

Checkout and Patching

After you get all the data from your computer by looking with eyes on the motherboard and checking the same things with the above programs, you need to do the following.

Make yourself a directory and checkout the svn repository for LinuxBIOSv2:

# svn co svn://

Get the patch for the AZZA PT-6IBD board and apply it:

# cd LinuxBIOSv2
# wget -O v2_i440bx_azza_pt-6ibd.patch 
# patch -p0 < v2_i440bx_azza_pt-6ibd.patch 

If you want to use the patch with Gentoo ebuilds, add it as specified here.


Then get FILO from svn:

# cd ..
# svn co svn://


# cd filo-0.5
# make

Now edit the Config file with your favorite editor as you wish.

# nano Config

Here is what I ended up with:

MENULST_FILE = "hda1:/boot/grub/menu.lst"

After you're satisfied do make again and copy filo.elf to /tmp:

# make
# cp filo.elf /tmp

Building LinuxBIOS

# cd ..
# cd LinuxBIOSv2/targets

Lets create the linuxbios.rom file for the motherboard:

# ./buildtarget azza/pt-6ibd && cd azza/pt-6ibd/pt-6ibd && make

We ended in the motherboard's directory, where the linuxbios.rom file resides now.

Flashing LinuxBIOS

Let's put the newly made linuxbios.rom file on the ROM chip. Be sure you have the right ROM chip in the board, so you don't accidentaly ruin your original chip.

Then do

# flashrom -wv linuxbios.rom


Now reboot the machine and see if it boots ok.

When I did the above procedure my LinuxBIOS made use of only 64 MB of RAM. Some additional patches are still needed (this is being worked on).

But the result is fantastic anyway. Usual time for boot was long, 10-15s at least, now its close to 0s.

GNU head This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.