Intel 486MIS, Quick Start Manual

Page: 54 / 60

APPENDIX A: KEYBOARD SPEED SWITCH
System speed can also be changed through keyboard. There are two
available speeds as shown below:
Turbo speed : Cache memory and 32-bit DRAM transfer mode are
ON.
Set by pressing <
+
> key once while holding < Ctrl >,
< Alt >, and < Shift > keys.
Slow speed : Cache memory and 32-bit DRAM transfer mode are
OFF.
Set by pressing <
-
> key once while holding < Ctrl >,
< Alt >, and < Shift > keys.
Page 54 486MIS System Board User's Manual