Penryn P-Series on 965 Chipset?

Hey guys,

Since my laptop continues to overheat when playing TF2, I'm wondering if a CPU upgrade might be a better, more permanent option than getting a notebook cooler.
True, the T-Series (regular voltage) Penryns are available for my PM965 chipset and Socket P motherboard, but if the P-Series (medium-voltage) could be used, that would be even better. Lower TDP = cooler system.

I know that the PM965 can't handle the 1066 MHz FSB of the P-Series normally, but would they accept the 800 MHz FSB?

 

The PM965 can handle 266MHz FSB when OCed, but I don't know if it can adapt to it when installing a new CPU. BUT the BIOS will not provide support for any processor above the X9000 (i.e. no 2nd gen Penryns), for the AS6920. The day the BIOS provides the support for the new penryns, only then this question can be answered if the new penryns are compatible with the santa rosa chipset or not.
P9500 in M1330 - failed; P9500/T9400 in P-6860 FX - failed

 

If I were a plumber I would tell you can't fit a 1/2 pipe on a 1/4 pipe? Multipliers BIOS support blah blah!

 

Blah, it will never be supported just as the never Meroms(ie; T7300) will never run on the Napa platform. Just because it has the same socket doesn't mean it will work, and even if BIOS is updated it will never have any speed benefits with the gimped multipliers.

 

will the T7300 run on it? i got the A06 bios rev from dell for my Vostro 1500 and hoping to get it on my laptop.

P.S i have shame chipset and socket

 

Yes the T7300 will run fine, just the newer P series processors and the T9400,T9600, & X9100 won't.

However, if you want a faster processor and a lower voltage, go for either the T8100 or the T8300 since both are rated at 25 TDP and would reduce the heat output of the system. So basically this is my suggestion to the OP of this thread.

 

The T7300 was physically incompatible with the Napa platform, leave alone BIOS compatibility.

The T7300 should run on the vostro 1500.

 

Won't solve your issue?

 

Just the newer P series processors and the T9400,T9600, & X9100 won't.

Yes, the T7300 should work fine. However, if you want a faster processor and a lower voltage, go for either the T8100 or the T8300 since both are rated at 25 TDP and would reduce the heat output of the system. So basically this is my suggestion to the OP of this thread.

 

Has nothing to do with BIOS compatibility, just look at Intel's roadmap and you'll know that Montevina Penryns will never work on Santa Rosa. FSB limitation is still considered a physical incompatibility no matter how you rephrase it. Socket P and Socket 479 is virtually identical, but they moved a 1-2 pins around so it wouldn't fit physically, but the architecture is the same.

 

EDIT: TDP = 35W (All 1st gen Penryns)

I give up. I'm Bored

 

Sorry? 35w? nough said?

 

rarg, my bad. been a long day. Yeah. it's 35W TDP, but that said it should still run cooler than the Meroms. Oh well, bah, that was embarrassing.

 

First try undervolting the CPU you have got. See the guide.

You can probably take 10W off the maximum power consumption and 10C off the temperature.

John

 

I tried to undervolt, but I'm rather averse to doing it again since it somehow corrupted my Vista installation, causing me to spend my weekend getting my system back to a facsimile of normal.

 

Did you follow the Undervolting guide?

Lowering the voltages to unsuitable levels can cause major instability and can cause the operating system to fail or corrupt. Please follow the guide.

 

The guide only stated that a BSOD is the worst thing that undervolting unstably can do - not cause a system lock up and green & grey flickering on your LCD, which results in a corrupted Vista installation.

I might try it again some other time, but only when I have a full backup of my system ready to go.

EDIT: And I thought 0.05V down from default wasn't an unsuitable level, personally.

 

Yes, it's lacking some information there. Normally people won't lower the voltages that much, infact only the lower multipliers. The higher the multipliers the undervolting percentage success is smaller, it will however give th emost drastic changes as well. How low did you go on each of the multipliers and did you do any stability testing?

 

I didn't do any stability testing - which I recognize now was the stupid part.
I only changed one voltage - 0.05V down on the top multiplier (11x), which isn't drastic at all from what the guide said:
"Most people should be able to lower it by at least .100v to begin with the initial testing then slowly decreasing it from there on."
I did half that, and it nose-dived on me.

 

wow, that's strange. Unless you are using maximum performance all the time, setting the new voltage won't take effect right away until you actually use that multiplier ie; Speedstep.

I usually start with the lowest multipliers and go from there as the lowest ones are used the most for idling and you will see those temperatures drop. On my X9000 I have the lowest multiplier at 1.0V and it idles around 33-35 depending on the core.

 

Hmm...that could work, too.
Of course, when I'm idling, my CPU temperature isn't a concern - it's usually puttering around the 40s.
When I'm stressing it through video encoding or playing Team Fortress 2 (a surprisingly CPU-intensive game), that's when I need it to be cooler; so it doesn't throttle itself mid-game, causing my FPS to drop from 60 to 12.

I guess I could always just park it at a lower p-state with lower voltage and take a small performance hit until then.

 

Have you cleaned the cooling system?

Um, if you are trying to prevent the FPS to suddenly drop, that has nothing to do with the CPU. Infact that is Nvidia's PowerMizer that's kicking in due to GPU core temperatures reaching high levels. There is a PowerMizer switch that can disable this. Undervolting may indirectly lower the GPU temperatures as well since both the GPU and CPU share the same cooler in most cases, but from the sounds of it, your system idle temperatures are fine. What is your max load temperature?

 

On my GeForce 9500M GS? Low 70s - well away from any potential danger.

My dad had a look at the cooling system, but I'm hoping to air-can it out once I get settled at the start of the school term.

And trust me on this - I did the research, it IS the CPU causing the FPS to drop, because TF2 is such a processor-intensive game. The GPU does downclock, but only b/c the CPU can only handle 15 fps max at 833 MHz.

 

Despite how much more processor intensive, games are mostly GPU dependent. How are you monitoring the GPU temperature? If the GPU does downclock, that is your problem. Just verify it with tools like Rivatuner(which has a monitor) and CPUID Monitor. I have reason to believe your problem lies with the GPU. What is your max temperature for your CPU when you load something like Orthos?

 

I haven't done an Orthos run, but I did monitor my CPU and GPU temperatures when playing TF2 using RMClock and RivaTuner.
The CPU downclocked BEFORE the GPU did, and the GPU was still in the high 60s when it did.

 

I have a T61 Lenovo with currently a T8100. I would like to know what is the fastest processor I could install on this laptop. The chipset is an intel PM965. I have tried to install a T9400 but didn't work =). Please give some advice, thanks.

 

No CPU (like the T9400) with a 1066MHz FSB will work on your system. Use the search functin to see specifically which ones are compatible w/ the 965 chipset.

 

And please don't bump old topics - this one is eight months old, for crying out loud!

 

Lol, and apparently powerpack is still banned...