Dell Xps Bios Access

Most people today run 32-bit systems. If you're one of those, and your processor is Intel then probably it will be "locked" unless that is an "Extreme chip (indicated by the letter" X "in its model number). When a processor is locked, it means that the value of the multiplier can not be set above a certain value. As you already know:

= CPUCLOCK FSB * CPUmultiplier

The FSB is the Front Side Bus clock provided by the mother. If the CPU multiplier is fixed below a certain value, then in order to increase the CPU clock we have to increase the FSB, which will many effects on the motherboard and memory settings that we'll have to adjust.
Before you begin to change the BIOS settings, you have to make sure you can reset the BIOS you "to the default settings. This is important because your system may be unstable or the system operating can refuse to start. In this case, you need to reset the BIOS so your system is stable again.

The procedure is as follows:

1 – Set your memory timings in the BIOS. The lower the memory timings faster than they are. See specifications for the manufacture obtain the best values. Do not worry if you are not sure if they are good as you will have the chance to modify them later.

2 – Increase FSB clock speed a little. Leave the other settings and Vcore voltage in your pattern – these are the tensions that operate in the system and we want them minimized. The "default" settings are usually an overestimate, but we'll take care of them later.

Test 3 – the system with an application that uses memory extensively. If your system runs stable for long enough, you can go to your BIOS and increase the FSB a little more and retest. If you satisfied with the results, then go to step 5.

4 – If the system becomes unstable Vcore when the test, try increasing vDIMM and a level (perhaps 0.05V) and retest. You can continue to increase tensions or lower the FSB until you get satisfactory results. Be careful, however, that Vcore increase greater than 15% that nominal value may damage your chip.

5 – Now you can re-adjust the memory timings to get a better memory performance.

6 – You may want to adjust your memory divider. When choosing a divider value of memory, the memory is operating in "asynchronous". Race asynchronously may require adjusting the memory voltage manually to make it stable.

7 – When you're satisfied with what you come this far, try now to reduce the values of the tensions. "We want to minimize stress to minimize the temperature.

Note that there is a limit to overclocking memory. You must have a memory that can work with the high FSB speeds you choose. Sometimes you may have to buy another memory. In this case, it is up to you to decide whether the performance gain is worth the additional cost of a new memory.

You can follow other mechanisms, while you keep your system stable and always observe the temperature. The temperature increase linearly with the FSB and exponentially with the voltage. That is why not just set all tensions to support the maximum clock speeds max. If you have to increase your stress and you noticed a huge increase in temperature of the system, you can buy more cooling devices. You can test the performance of the system and temperature in detail using some software tools like SiSoft Sandra, Memtest86 + and Prime95. It a lot of time for testing for long periods to make sure your system is stable, with the new settings and is working at the speed you was willing.

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