Changes
/* LK4 - Screen Refresh Rate */
== LK4 - Screen Refresh Rate ==
LK4 (LK104 on Plus/GX4000/Costdown) connects to [[8255|PPI]] Port B, Bit4. The link tells the BIOS whether it should set-up the [[CRTC]] for 50Hz or 60Hz refresh rate.
Default is LK4 not installed (50Hz).
