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Don't know if this has been reported yet but I can successfully overclock by T60 with the T7600G processor using a program called throttlestop. It unlocks software control of the multipliers and VIDs.

I have had the T7600G up to 3.3Ghz at 1.40V volts but am running at 2.99 Ghz (multiplier 18x) stable at 1.3V with an idle temp of about 55-60C. I have heard of some taking the T7600G to 3.5Ghz at 1.5V on the M1710 Dell but am unwilling to try this as I don't want to burn up the cores.

Please don't flame on and say why are you overclocking your laptop blah blah blah, I don't care I do this as a hobby because its fun period.

Cheers

Congratulation !
Very interesting for me, because before in this forum someone said that 7600G can not work on T60/p. I would like to ask you:
- Post a result of SuperPI, CPU-Z in order to confirm that the CPU is overclocked ?
- Do you need some BIOS or hardware hacks in order to make 7600G worked ?
- What is the temperature of overclocked CPU under full load ?
- Where did you buy it and how much did you pay for it ?
Thank you !

I know someone said that, I read the post when I was researching this .

-Don't have image hosting but I can email you a screenshot with CPU-z or a validation or whatever pm me for email

-no bois or hardware hacks, just install the T7600G and Throttlestop and its happy overclocking

-temp is about 75C at full load at 2.88 GHz

-got it on ebay for 190 shipped

OCedT60 wrote:I know someone said that, I read the post when I was researching this .

-Don't have image hosting but I can email you a screenshot with CPU-z or a validation or whatever pm me for email

You can use this as it's free and doesn't require registration:
http://www.freeimagehosting.net/

http://www.freeimagehosting.net/uploads/7af199c1da.jpg

http://www.freeimagehosting.net/uploads/bf77d69cd5.jpg

nice thanks that was easy

MOD EDIT: Converted images to links, due to size and ease of scrolling, based on report. -tff

That's extremely impressive! Those temperatures aren't too bad either. Did they effect the GPU temps in anyway?

(you might want to put a sign saying "pictures" in the title/subject heading)

Don't know about GPU temps I'll have to look at that

Thank you for your posting!

I actually have a question,
Can you actually feel faster performance after upgrading and overclocking the CPU?

I currently have T2400 in it. By how many percantages will it improve?

PS, this is out of your post title,
my GPU is INTEL 945, if I don't play games, I don't need to change my motherboard to the one with ATI. Correct? The purpose of using this laptop will be mainly on programming.

I think I will swap my lcd to SXGA+ in the future though.

Thank you!

all of this thread looks very interesting.

i`ve just noticed today you all already made this "T7600G" a headline as i was opening a post on this topic yesterday.

so really great to hear there are some experience made


@OCedT60

did you made any stress test? ... let`s say running cpu intensive apps under full load a half to one day? ... or using test software like prime95 etc? ...

ok, of course i don`t want you to grill your machine ...

but it seems using Throttlestop i.e. on a DELL S-XPS 1645 config produces some serious probs in particular to some power and battery issues according this thread:

http://forum.notebookreview.com/dell-xp ... dates.html


and how does the fan and/or cooling of your t60 reacts? ... in comparison to your former config?

I haven't done any extensive testing on what VID/FIDs are stable but I believe this data already exists for this processor you just have to search for it. I do believe the cooling is decent for a laptop so no real issues there. The only thing I might investigate is using the ultrabay to do some type of water cooling project. By that time I will most likely have moved on to a t61p so I can use the extra 1 Gb from my mushkin 4gb and sata2 from the 60gb mushkin ssd.

Does anybody know if the T61p will take a QX9300?

I basically use throttlestop to unlock the multiplier and tpfancontrol to lock the fan at 7 ( I don't ant even hear it). I have the bios on dynamic cpu control so it only is at 3 ghz when crunching numbers and idles at 900.

I haven't noticed anything negative.Then again I don't sit in front of my computer and play games all day, when I'm using my laptop I'm crunching numbers or making big spreadsheets with lots of graphs and moving them around in the pages.

I just got a t7600g too, and got it at 2.8 ghz @ 1.212v for me it gets to 90-95C full load with 64 fan.. but 57 for idle

sometimes blue screens i suppose from too much heat
edit:
i'm on a t60p, that could explain the huge temperature difference, the gpu is so hot and well overclocking the t7600g would make it quite hot combined.

and just to play around, super cooling it down to 0C and jacking it up to 3.8ghz
http://i.imgur.com/FcsKS.jpg
froze almost instantly lol

As the inventor of overclocking in the early 1980's, this, of course warms my heart! - just to see how far we have come!

However, the problem is the inadequate cooling design of the T60 series, mine gets too hot at stock speed under any kind of intensive load, which is much more common these days than when T60 was new.

So I think you have only won half the battle, which is the overclock itself which appears successful, but without an engineering breakthrough on the type of heatpipe & fan available for T60, this is more of a cool conceptual demonstration than of any real use.

At that overclocked speed, if people use their T60 for anything more than typing on this forum, then temps are going to quickly climb to blue screen levels, such as when watching videos, extracting compressed data, having 25 tabs open, playing chess, rootkit scans with GMER etc. or all of those simultaneously (like in my world)

Can you play around with alternative fans, heatsink mods, etc. and report back to us? Get a good chess playing program such as Rybka 4 or similar to test with, it will find the heat issues for you real fast!

cheers!

wild bill

eatbuckshot wrote: and just to play around, super cooling it down to 0C and jacking it up to 3.8ghz
http://i.imgur.com/FcsKS.jpg
froze almost instantly lol

nice if I get ahold of some dry ice I might dry that too

I'll keep you guys updated with what I findout, I am looking at replacement blower fans that will have a much higher flow rate. I don't beleive the heatsink design is bad, I just think the use of thermal pads instead of copper and a low cfm fan cripple the cooling.

I'm going to play around with switching to a solid copper block (as previously suggest by others) and swapping out the fan, I'll make a tread about it as it gets rolling.

wild_bill wrote:As the inventor of overclocking in the early 1980's, this, of course warms my heart! - just to see how far we have come!

However, the problem is the inadequate cooling design of the T60 series, mine gets too hot at stock speed under any kind of intensive load, which is much more common these days than when T60 was new.

So I think you have only won half the battle, which is the overclock itself which appears successful, but without an engineering breakthrough on the type of heatpipe & fan available for T60, this is more of a cool conceptual demonstration than of any real use.

At that overclocked speed, if people use their T60 for anything more than typing on this forum, then temps are going to quickly climb to blue screen levels, such as when watching videos, extracting compressed data, having 25 tabs open, playing chess, rootkit scans with GMER etc. or all of those simultaneously (like in my world)

Can you play around with alternative fans, heatsink mods, etc. and report back to us? Get a good chess playing program such as Rybka 4 or similar to test with, it will find the heat issues for you real fast!

cheers!

wild bill

Hi I have a T60p with the ATI FireGL V5250 and a T7600g running at multiplier x18@ 2992Mhz. Heat is between 50 and 60 and sometimes 70 when really stressed, but holds there with no problem. When I installed the T7600g I removed the heat pad on the GPU and installed a coper plate that I had on hand from a scythe GPU cooler that I installed on a GTX 250. The plate would be installed if you needed to clear your ram. It was just under a millimeter thick. I applied Arctic Silver 5 to the GPU, CPU then put the plate on the GPU. I then applied Arctic Silver 5 to the top of the heat plate, and then put the HSF back on. voltage is 1.25. Did not change any fan settings.
This thing is fast for a 4 year old.

Lenovo T60p 15.4 Widescreen
Intel T7600g
4ghz G-skill @ 3ghz
Intel X25-M 120gb ssd
ATI FireGL V5250
Windows 7 Ultimate 64bit

Nice result, rollshifter !

Hello!
I just got a T7600G into my T60 and tried ThrottleStop, however it does not automatically recognize that I have an unlocked multiplier. The BIOS version is 2.27 and the CPU is detected by CPU-Z correctly as T7600G (SL9U5). Is there anything that can be done/set to modify the multiplier?

Thanks for resurrecting this thread that went silent many years ago. Overclocking the T7600G was a great feature during the early days of ThrottleStop.

Can you post a screenshot of ThrottleStop and CPU-Z? ThrottleStop should show a button called UNLK which stands for unlock. You need to click on that button before you can increase the multiplier higher than the default value. When you are done overclocking, you can click on that same button to Lock your CPU so you don't increase the multiplier accidentally. If you go too high and then decide to go lower, you will need to click on the Reset button first to get back to your default values so you can start again.

This feature should work so post a screenshot so I can have a look. If you get this working, remember to increase the voltage first before increasing the multiplier. If the CPU does not have enough voltage for the multiplier you are trying to use, the computer will probably lock up and need to be rebooted. It is a good idea to do a few minutes of Prime 95 testing at each new multiplier just to get a feel for how stable your computer is. Prime 95 will error out quickly if you don't have enough voltage. Other than that, keep it cool and the sky is the limit. Amazing CPU considering the era when it was released.

^^^^^^

Welcome to the forum, unclewebb!

Many, many thanks for designing the piece of software that some of us have been using happily for years...

ajkula66 wrote:

Thanks for the welcome to thinkpads.com and you are most welcome for ThrottleStop. It has been so long that I almost forgot about the T7600G. That was a very special CPU that supported some monster overclocking. Hopefully oldmaster can get his new T7600G figured out and running over 3 GHz. It has been over 7 years since the T7600G was released and they are still selling for top dollar on EBay.

Thanks for the hint unclewebb ! I have just started to play around. With max default voltage (1.225v), I can easily get up to 2.66GHz. So far, I could set it also to 2.83/3 by bumping the voltage, but not stable when both cores were fully loaded. And it's a little scary when seeing 91W drawn from the socket at just 2.83 when the adapter is rated only for 90W output.

One very pleasant and interesting "software" effect that ThrottleStop had: I am using in my day to day life NotebookHardwareControl due to it's ease to just check/uncheck a step with a predefined voltage. Until now, I only had access to multiplier 14 and it's max default voltage. Now, after I saved some higher multipliers/voltages in ThrottleStop, those appeared magically also in NotebookHardwareControl.

Anyway, at 2.66Ghz it's still a good CPU even today for watching movies, internet and a little software development. It gets, 1.46 points in Cinebench 11.5, which is on pair with a Z3770 (althrough 10 times more power used). Real world usage, I see a reduction of 12-13% in CPU usage for VLC which is not bad when viewing full HD movies.

oldmaster - Great to hear that you got ThrottleStop working for you. I have never owned a T7600G so I didn't realize that you would be coming up against the limits of your power adapter.

ThrottleStop writes the maximum multiplier and maximum VID information directly to a register in the CPU so as soon as it does that, those new maximums are available to any other software. One thing to be aware of is that if you ever accidentally go too high with the VID or the multiplier, you need to push the Reset button to take your CPU back to its default specs before you can increase your multiplier and VID again. Some people reduce the maximum in ThrottleStop but you also need to use that Reset button to reduce the maximum within the processor.

Enjoy your new / old CPU.

Some updates... it's Prime95 stable at 2.66@1.2375v, 75W from socket. It's stable for a few minutes in Prime95 at 2.83@1.2875v, at 83W from socket, but at this point I'm hitting the thermal limit. It's works also at 3@1.375v where it can survive for a long time if power/thermal limits are not hit. However for stable 24/7 usage, max limit is 2.66. At 2.83 and 3 it survived in CPU tests but it restarted in mixed tests which also use the graphic card. Overall, I am quite happy with the results. At 2.66 the frame loss is close to 0 in VLC for 1080P@24frames@64Mbits/s (captured with my hacked Nikon D7000).

One note, I have expected a little better binning for the CPU. I have 3 other T7600 CPUs and all, including the G version have exactly the same lowest stable voltages for every multiplier.

Thanks again unclewebb for your help and for your very useful tool!

oldmaster wrote:Some updates... it's Prime95 stable at 2.66@1.2375v, 75W from socket. It's stable for a few minutes in Prime95 at 2.83@1.2875v, at 83W from socket, but at this point I'm hitting the thermal limit. It's works also at 3@1.375v where it can survive for a long time if power/thermal limits are not hit. However for stable 24/7 usage, max limit is 2.66. At 2.83 and 3 it survived in CPU tests but it restarted in mixed tests which also use the graphic card. Overall, I am quite happy with the results. At 2.66 the frame loss is close to 0 in VLC for 1080P@24frames@64Mbits/s (captured with my hacked Nikon D7000).

One note, I have expected a little better binning for the CPU. I have 3 other T7600 CPUs and all, including the G version have exactly the same lowest stable voltages for every multiplier.

Thanks again unclewebb for your help and for your very useful tool!

If I'm understanding you correctly you are measuring the power drawn from the AC line?
The 90W rating is the output power and power adapters are not 100% efficient. If it were
85% efficient then the power from the line at 90W out would be 90/.85 = 105.9W so you
should be able to go a bit further.

When you talk about stability of the other non G T7600s I assume that you are not overclocking
them, just lowering the voltage to see where they are stable?

Has anyone tried Win 10 on a T60 or T61? I have it on a Santa Rosa based Dell 830 and it
seems to play HD videos much more efficiently. I am impressed and I want to try it on my
CF-51 which is much like a T60.

I know about the rating, but still scary to see hitting 85% load (90W on socket) when the CPU was not yet maxed out. Anyway, the power regulator from the motherboard might be already limiting. It survived for a few minutes in Prime95 but restarted in a shorter time while watching movies, both at 2.83 and 3. And in Prime95 I'm hitting 97 degrees at 2.66 (crappy stock cooling).

I'm doing undervolting for every step for the T7600 CPUs that I have in various T60 models and for all I hit the same values, <=1.83@0.95v, 2@0.9875v, 2.16@1.0375v, 2.33@1.1125v. It's quite boring testing them.

Could it be that SSE4.1 makes a difference while playing HDs?

oldmaster wrote:I know about the rating, but still scary to see hitting 85% load (90W on socket) when the CPU was not yet maxed out. Anyway, the power regulator from the motherboard might be already limiting. It survived for a few minutes in Prime95 but restarted in a shorter time while watching movies, both at 2.83 and 3. And in Prime95 I'm hitting 97 degrees at 2.66 (crappy stock cooling).

I'm doing undervolting for every step for the T7600 CPUs that I have in various T60 models and for all I hit the same values, <=1.83@0.95v, 2@0.9875v, 2.16@1.0375v, 2.33@1.1125v. It's quite boring testing them.

Could it be that SSE4.1 makes a difference while playing HDs?

Good question about it using newer extensions of the instruction set. From what I know
of code development, I would not be surprised if the MS people are more busy chasing bugs
than improving the code. Perhaps they get a chance with new releases of the OS. It was
mind boggling the numbers I was seeing. The new Task Manager shows the actual clock speed,
when it was downloading and playing it was at 1 GHz with about 10-18% utilization occasionally
popping up to 1.8 GHz, once it was fully downloaded and just playing the HD it was about 7-10%
utilization never going over 1 GHz.

This was a T9300 2.5 GHz processor and I'm running the 64 bit version.

I'd also like to try it on my X61s.

So the T7600G might breath some new life into my T7200 CF51 anyplace to get one at a reasonable price?

Pete B wrote: So the T7600G might breath some new life into my T7200 CF51 anyplace to get one at a reasonable price?

Keep an eye on ebay! There are usually 1-2 appearing in the wild per month at 80-100$

oldmaster wrote:

Pete B wrote: So the T7600G might breath some new life into my T7200 CF51 anyplace to get one at a reasonable price?

Keep an eye on ebay! There are usually 1-2 appearing in the wild per month at 80-100$

Thanks, ok the ones now are 2-3 times that but I'll keep an eye out.

oldmaster wrote:Keep an eye on ebay! There are usually 1-2 appearing in the wild per month at 80-100$

For this price you can probably get a T61 mobo and T9600 for a Frankenpad
BTW how do you measure the socket power? I mean... on Core 2 Duo there's almost no way to measure the total power from CPU socket right? Unless you do some hardware mods

RMSMajestic wrote:

oldmaster wrote:Keep an eye on ebay! There are usually 1-2 appearing in the wild per month at 80-100$

For this price you can probably get a T61 mobo and T9600 for a Frankenpad
BTW how do you measure the socket power? I mean... on Core 2 Duo there's almost no way to measure the total power from CPU socket right? Unless you do some hardware mods

I think he was saying 120V wall socket by that comment.