Also there is some moment in bios code about test reg 2F @ LDN F4 - it is toggled in some place and this could be important - may be enabling some undocumented features.
The test register is only RW when written from LDN F4. Thanks, Rudolf -- coreboot mailing list: coreboot@coreboot.org http://www.coreboot.org/mailman/listinfo/coreboot