Abit BX6 Pentium II Manuel d'utilisateur télécharger pdf (Page 23)

Introduction of BIOS 3-5

ä Disable: CPU external clock is operating within the

normal limits.

ä Enable: CPU external clock is operating within the limits

of the Turbo mode.

Solution in case of booting problem due to invalid clock setup:

Normally, if the CPU clock setup is wrong, you will not be able to boot. In

this case, turn the system off than on again. The CPU will automatically use its

standard parameters to boot. You can then enter BIOS Setup again and set up

the CPU clock.

If you can’t enter BIOS setup , you must try turning the system on a few

times (3~4 times) and the system will automatically use its standard parameters

to boot. You can then enter BIOS SETUP again and set up the new

parameters.

When you change your CPU:

The mainboard have been designed in such a way that you can turn the

system on after having inserted the CPU in the socket without having to

configure any jumpers or DIP switches. But if you change your CPU, normally,

you just have to turn off the power supply, change the CPU and then, set up the

CPU parameters through CPU SOFT MENU™ . However, if the CPU brand

and type is the same, and if the new CPU is slower than the old one, we offer

you two methods to successfully complete the CPU change operation.

Method 1: Setup up the CPU for the lowest speed for its brand. Turn the

power supply off and change the CPU. Then turn the system on

again, and set up the CPU parameters through CPU SOFT

MENU.

Method 2: Since you have to open the computer case when you change the

CPU, it could be a good idea to use the CCMOS jumper to

erase the parameters of the original CPU and to enter BIOS

Setup to set up CPU parameters again.

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Abit BX6 Pentium II Manuel d'utilisateur Page 23