Patch Set 4: Code-Review+2

SeaBIOS (and Grub) use PIO instead of DMA with IDE mode, so AHCI is indeed a better default IMO. The speed difference is easily a order of magnitude faster with AHCI (on ICH7 at least).

IIRC SeaBIOS needs explicit:
CONFIG_ATA_DMA=y
CONFIG_ATA_PIO32=y
passed as a SeaBIOS config file in order to use PIO. Maybe should I add a patch for default PIO in SeaBIOS Makefile?

View Change

To view, visit change 35891. To unsubscribe, or for help writing mail filters, visit settings.