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Step by Step in Overclocking ABIT BX6
by Overclocker (2/8/98)

As requested by one of the readers of the web site, I have put together the steps involved to overclock your Celeron 266 on ABIT BX6 to 400 Mhz or 448 (450) Mhz.

One of the challenges among all overclockers is that we want to boost the performance of the CPU to the limit. To a certain extent, overclocking works without over heating the CPU. So, what I have done here is to list down steps involved to boost Celeron 266 to the maximum speed.

Flashing latest version of BIOS (EG)

Read the FAQ on Flashing BIOS

Starting the overclocking experience

Reboot your machine, hold down the ESC key
The CMOS setup screen appears.
Select !! CPU SOFT MENU !! and hit ENTER key

You should something like Fig 3-1 in your manual (pg 3-3)

CPU Operation Speed

User Definied

Turbo Frequency

Enabled

External Clock

66, 75,83, 100, 112, 133 Mhz

Multiplier Factor

x4.0

AGPCLK/CPUCLK         

2/3

Speed Error Hold

Disabled

CPU Power Supply

CPU Default / User Definied

Core Voltage

2.00v ~ 2.20v
My experience is that if you wish to achieve 400Mhz, you set external clock to 100Mhz and you can use CPU default voltage of 2.0v
If you wish to achieve 448Mhz (4 x 112Mhz), set your voltage to 2.1 or 2.2v, it should be able to run Windows 95/98 or NT steadily.
Using good SDRAM is also important to successfully overclock beyond the stipulated 266 Mhz. You should use PC-100 Complaint SDRAM.
I managed to overclocked mine at 448Mhz (displayed as 450Mhz) using PC-66 SDRAM from Hyundai (quite a surprise for myself).
Try it yourself. My motherboard is running steadily at 450Mhz with a motherboard temperature of 39 Deg Celsius avg in whole year Summer Singapore.

Disclaimer : I will not be responsible for any mishaps when you overclock your CPU. Whatever you read and try based on my report is at your own risk. Email me if you have further questions. My email addr : [email protected]

13 September 1998 11:37 AM