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So, I've been a feeling a bit silly lately.After I got my watercooling loop set up, I've been feeling sorry for my trusty old Tuniq Tower which now just sits waiting to be pulled out when we get heatsink round-ups like the one I did a few weeks ago. So, I had an idea. After pushing my Pentium M 755 in my laptop to 2.4Ghz with the standard little heatpipe cooling system in the laptop, i decided to see just what was holding it back from going any further.
So I moved downstairs and opened the back door, turned my laptop over and started taking it all apart. Luckily I realised that the motherboard chipset (i855GM) and the graphics card chip are on roughly the same level, and the base of the Tuniq Tower is going to be large enough to cover them both. Fantastic! Next, I got my Corsair Hydrocool unit hooked up and confirmed this would fit next to the Tuniq to cool the CPU! Brilliant! Then I though about mounting. Oh...
The Setup |
Turns out, the Tuniq is heavy enough to sit on the NB and GPU just fine, but there's no way of mounting the Hydrocool's block. What do you do? You improvise!
Custom mounting;) |
Yep, that's me holding the CPU Block onto the CPU die. Worked kind of well, as long as i didn't move.
So onto the testing and results. Well, turns out the CPU wouldn't go further than 2.4Ghz in the end anyway. My guess is that the RAM tops out at 400Mhz on the dot. It's only cheap stuff, and it's rated a PC2700 (DDR333) to start with, but even 0.5 Mhz past 400 and you get a hard lockup. Only other explanation is the chipset, not that I can do much about either.
What was good was that I could run nearly every bench at the full 2.4Ghz instead of having to drop down to 2.2Ghz for 3dmark06 like previous. Now for the exciting bit. Sticking the Tuniq Tower on the NB and GPU obviously did nothing for the NB, but the GPU got a nice little bump from it, and those two Enzotech Ramsinks I had spare after covering my GTX came in handy.
CPU, NB and GPU |
There you have it folks - hardcore laptop GPU overclocking! 351/189 at stock, 426/300 benchable, and yes that is a 21% CPU core and 59% GPU memory overclock!
All that's left to show off is my hwbot page showing 17 World records, holding all the Radeon 9600 Mobile graphics records and most of the Pentium M 755 and 725 records as well. Check out the hwbot page, and have a look through the records for more info and screenshots. 
World Records! |
On that note, I think we can conclude a very successful bench session - happy days!
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