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Two Perspectives . . .A Year of Fratricide . . .4/172006


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Overclocking Picture Guide for the Toshiba Satellite Series

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Posted by Frederik Costermansin How-tos, System & Components

Detailed How-To Frederik Costermans

This mod takes about 10 minutes !!!!

This mod works, on laptops using a 400 MHz FSB CPU. By inserting a copper wire in 2 holes in the479 socket, the mobo will bring the FSB up to 533 MHz, running the CPU at 133% over spec. Intotal this gives an 25% increase without extra cooling needed.

First I would like to thank Robbie Wilson for his article Overclocking The Dell Inspiron 6000,

Why0Why for his article on 08-02-2005and ziddey for his article on Tue Apr 26, 2005. I used hismod to do the same for my laptop.

This mod works for all of the following Intel Mobile Celeron CPUs: 310, 320, 330, 340, 350,350J, 360, 360J, 370, 380.

This mod should also work for the Intel Centrino Mobile CPUs. This mod also works for thefollowing Centrino Mobile CPUs:

Ultra Low Voltage: 713, 723, 733, 733J, 753, 718, 738, 758, 778Pentium M processor: 705, 715, 725, 735, 745, 765 (765 clock at 2500 MHz max on 19/01/2005France)

Intel Centrino Mobile Technology Specs

Remember the standard FSB MUST be 400 MHz.

For this mod 1 used the following laptop:

Satellite M40-277 (bought it for 799 )Intel Celeron M processor 360J, 90 nm, 1,MB L2, 1.40 GHz, 400 MHz60 GB @ 5400 rpm (slow, I know)1536 MB RAM 128 mb shared (533 MHz capable, put in 1 gig extra RAM)ATI radeon Xpress 200M overclocked to 594 MHz (567 MHz standard)

To get accurate CPU information, I used CPU-Z, a small and useful program. Notice the FSB set at133 MHz.Before you start, make sure your RAM supports 266 MHz!


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Slot 1 contains the standard RAM that came with the laptop its PC4300 and able to run 266 MHz.For slot 2, I bought an extra 1024 MB of RAM (around 100).

Now we know that the RAM is up for it, lets get started.

To prevent overheating of the CPU, you need a program to monitor temperature; for this clock, I

used Speedfan. Check it out, freeware and very usefull for this mod.

The Mod

All you need is some speaker cable and some tools, besides a steady hand:


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Ifyou have all the tools and some copper wire, we can begin. Take offyour pull-over and rememberto discharge yourself using a ground connection! Shut down Windows properly before you begin.

This is my Toshiba laptop at 1.4 GHz now lets get modding!


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The elegant bottom of my laptop. Take out the battery first, that way there is a lesser chance wedamage components on the mobo.

{mospagebreak}

This is the Satelite M40-277 open. Lets have a look at the components inside.


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1. Hard disk: 60 G Fujitsu hard disk at 5400 rpm2. Wireless network card: Atheros AR5005G43. RAM: PC4300 at 266 MHz4. This is the CPU with cooling fan before overclocking

This laptop uses the same cooling fan and software as in the satellite Toshiba Satellite (M70-DL4)running an Intel Centrino 750 @ 1.86 GHz. When opening this link, take a look at the M 750sArchitecture, Clock Speed and especially the Front Side Bus!

Good, now we can take out the cooling fan.The CPU is ready for overclocking. You dont have to worry about the heat, just be sure to use some

good thermal paste and a heatspreader!


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Now whe need to remove the CPU from the socket. Turn the screw gently to the right until you feel aknock.You can take out the CPU without much pulling if its stuck, you need to turn the screw further. Becareful though, dont touch any of the components surrounding the socket.

The CPU is now released and can be taken from its socket be sure to discarge yourself properlybefore taking out the CPU.

Aah looks like its a little Intel Centrino 750 90nm 1.86 GHz (M70-DL4) CPU minus the 1 MBcache. Oops my bad, its a Intel Celeron M processor 360J 90 nm 1MB L2 1.40 GHz still runningat 1.4 GHz.

We can cut of a piece off copperwire (speakercable) to be used in the socket, using a wire stripperpull of the insulation:


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Cut down one wire to about 30 millimeter or 1.182 inches.The wire is getting too small for my camera to pick up. Bend about 3 millimeter or 0.1186 inches inan n shape you can cut off the rest.

The wire that is left is so small the camera wont pick it up. Put the wire between 15 and 16 on


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row C. Make sure you put it in the right place first take a look at the pictures below:


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You can go HEREor HEREfor more technical information. Pin 15 will also do for loweringresistance on BSEL[0].

Great now whe can put the CPU back in the socket. Its always a good idea to clean the CPU anduse high quality cooling paste for conducting the heat. I got this heat spreader from a burned out P4 2GHz CPU. Use a sharp blade and cleaning product, nail polish or such (TIP: when cleaning andputting on a heatconductor, dont get any finger grease (oil) on the CPU or heatspreader, because theoil will start corroding the metal after two years. Depending on the size of the touched area, less

heat will be conducted.)


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Put it back firmly on the CPU; remember to use paste to give the heat spreader better heatconduction. Good work! see its very easy to do this mod. You can also use a large coin after suface

smoothing as a heatspreader. The heatspreader is impotant because the M Celeron has none, but aCentrino does have one (Intel Pentium M Centrino 750 1.86GHz 533FSB 2M).

Strange after overclocking the Intel Celeron M processor 360J 90 nm 1MB L2 1.40 GHz 400MHz to 533 MHz 1.86 GHz, it gives out exactly the same characteristics as the Intel PM 750 1.86Ghz 2Mo Mobile Tray. By using a standard Intel M heatspreader on a Celeron M, even thetemperature characteristics are the same?Why dont we take a look using CPU-Z:


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Core speed is at 1862 MHz using the 533 MHz front side bus with a x14 multiplier. The M 360 has1MB cache with is very useful, as you will see later on.

Stability Testing:I ran CPU-Burn in with maximum heat generation at 21C room temperature.First a peak at 52C, then rocksolid at 51C. Before I placed the heat spreader, running at 1400MHz, The temp would go up to 56C. This means, 462 MHz extra and -5C with an overclocked

CPU at full workload?


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CPU stable? Crank up the GPU. OK we just turned up the CPU, now we need to crank up the GPUfrom 567 MHz to 594 MHz. The fan cooling the CPU also cools the plate on the Nvidia chip. Themotherboard is designed to run at 533 MHz, so adding 27 MHz to the GPU shouldnt hurt.


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Heres the 3D Mark2001 test:

These scores dont say much lets try some Half Life 2. Here are theHalf Life 2 advanced video settings:


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Model detail: High, Texture detail: High, Shader detail: high, Water detail: Simple reflection, Shadow

detail: Low, color correction: none, filtering mode: Bilinear.

Half life 2 runs smoothly at 1024 x 768 using high resolution:

The extra 462 MHz CPU power and 27 MHz GPU power paid off.The laptop costs about 799 and the 1024 MB RAM about 100. Now this laptop is faster than anyIntel Celeron M 90 nm 1MB L2 CPU sold by Intel.

This means Im running Half life 2 at 1024 x 768 on high detail on a 899 + 10 minute overclockinglaptop (!?) draw your own conclusions.

My $86 dollar Intel Celeron M processor 360 90 nm 1MB L2 1.40 GHz is now running at 1862MHz (My CPU).Intels $134 dollar 380 90 nm 1M L2 cache 1.60 GHz running a standard speed of 1600 MHz(Fastest Celeron M processor 90 nm 1MB L2 CPU at 12/04/2006 sold by Intel).This means my $86 dollar CPU is faster than the fastest Celeron CPU sold by Intel by 286 MHz.


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Not bad for a 10 minute modification.

Ifyou find errors or incorrect statements please let me know. Special thanks to Robbie Wilson,Why0Why and ziddey!I hope you like the article.

Frederik Costermans

Related posts:

1. A Basic Guide To Overclocking and System Building2. Good Satellite, Bad Satellite3. A Newbies Guide to Overclocking Memory4. Beginners Guide to Overclocking5. Another Guide to Overclocking Memory, Motherboard & CPU

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