American Megatrends Excalibur PCI User Manual page 59

AMIBIOS Features
The AMIBIOS for the American Megatrends Excalibur PCI Pentium ISA motherboard has several features that can be
accessed from the keyboard at any time.
Keyboard Speed Switching
You can increase the processor speed at any time by pressing <Ctrl><Alt><+>. Processor speed can be decreased by
pressing <Ctrl><Alt><->. The above values are the default settings.
Enable Cache Memory
Secondary (external) cache memory can be enabled by pressing <Ctrl><Alt><Shift><+> or disabled by pressing
<Ctrl><Alt><Shift><->. The above values are the default settings.
Excalibur PCI Pentium ISA Motherboard User's Guide
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