Hi,
Well done!
I still need to disable ACPI support in order to install winxp (hit the F7 key when asked about additional driver). This appears to be due to incomplete ACPI support in coreboot-v2 for the epia-m.
Please check the Asus A8V-E SE DSDT table in coreboot. Windows Installer may need ACPI routing and also floppy/keyboard/mouse objects. Check DSDT from Qemu.
Check this:
http://www.microsoft.com/whdc/winlogo/hwrequirements.mspx http://www.microsoft.com/whdc/archive/pcguides.mspx
Handy BSOD STOP decoder for ACPI:
http://support.microsoft.com/?scid=kb%3Ben-us%3B314830&x=4&y=7
Compatibility:
http://support.microsoft.com/kb/314088/en-us
Thanks, Rudolf