I also had a supply of the excellent Arctic Silver 5 TIM which I applied on the new CPU’s heatsink. They had also put rather too damn much of the stuff too, and I found pieces of the stuff all over the socket, the chamber heatsink, and around the CPU.īeing an overclocker and PC enthusiast and having built my own system, I knew how to properly clean the heatsinks using isopropyl alcohol. So, if you can afford it, you should upgrade your laptop’s CPU to the highest MHz CPU your laptop can take.Ī cause of low performance on old laptops like this one is that the TIM (Thermal Interface Material) that exists between the CPU heatsink and the chamber heatsink has lost much of its thermal conductivity after a number of years of use, in my case 12 years, causing the CPU to throttle due to heat not dissipating properly.Īfter I opened up my laptop to replace the CPU, I discovered the old, 12-year old TIM that TOSHIBA had used, having being reduced to the status of hardened toothpaste. Running tests with FRAPS, I discovered that with hyperthreading on, I gained 3.43 FPS average versus running WOW with hyperthreading off. (I was even able to sell the laptop’s Pentium 4 Northwood on e-bay for $14).īy doing this upgrade, I gained 266 MHz over the previous CPU and Hyperthreading. So, I bought the Intel Pentium 4 GHz with HT, 130NM Northwood from .uk for $20 and called it a day. Even if I succeeded (there’s a chance I’d brick the motherboard), there is no guarantee that the laptop’s VRM which is programmed to supply 1.5V to CPU, GPU, RAM and Chipset would be able to cope with Prescott’s lower VID and supply it with less current (1.4V VCORE). To install a Prescott P4 on this laptop, I would have to find a donor TOSHIBA laptop BIOS, extract the CPU instructions, paste them on the latest official BIOS for my laptop, and then attempt to flash it with the modded BIOS. 2004, which means that all Prescott 90nm Pentium 4’s were out of the question (no CPU instructions in the BIOS) and in addition my chipset did not support 800 MHz FSB Northwoods. Unfortunately, my BIOS’s last update was done on 24 Jan. Looking on the list of Pentium 4 CPU’s at Wikipedia, I figured that the only CPU upgrade my laptop would take would be an Intel Pentium 4 GHz with HT, 130NM Northwood. My laptop originally came with the Pentium 4 Northwood single core, no hyperthreading. NOTE: FOR PPL WHO HAVE NO PROBLEM DUMPING (VERY) LITTLE MONEY ON AN ANCIENT LAPTOP Unfortunately, I have not been able to overclock it yet (not that I try too hard). By using CPUFSB I have been able to bring both the FSB and the CPU to run to their normal specs. In my case, I found out that my laptop automatically UNDERclocked the CPU by 13 MHz and the FSB by 2 MHz. This, in old technology Front Side Bus using laptops like this one, is done through manipulating the FSB via freeware called CPUFSB. My father had bought this for around $2k.įirst thing you want to look at is –reasonably- overclocking your CPU. To be fair here, I’d like to note that this laptop constituted the very…high end for back in…2003 when it was sold.
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