System Speed Change - IBM Mother Board 486F39X User Manual

System Speed Change

The 486F39X mainboard can be configured for turbo or slow
speeds to accomodate most DOS applications. On power up, the
system will be operating at turbo speed (factory setting).
You can switch between turbo and slow speeds by toggling the
turbo switch or pressing the keyboard keys.
Toggling the Turbo Switch
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1) Set the turbo switch to the on position to slow down the
system speed.
2) Set the turbo switch to the off position to speed up the
system speed.
Pressing the Keyboard Keys
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the keyboard keys to control the system speed,
Note: Before using
the turbo switch h a s to be set to the off position.
Press the <: CTRL > < ALT > keys while simultaneously
1)
pressing the < - > key to slow down the system speed.
2) Press the < CTRL > < ALT > keys while simultaneously
pressing the < + > key to speed up the system speed.
I8
Hardware
Chapter
2:
486F38X User's Manual
Guide