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overclocking the san?


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Guest neologan
Posted

is there any way to venture into this at the moment or do I need to wait for an app to come with support for the san? Soz, first android phone!

Guest Bob@Desire
Posted
is there any way to venture into this at the moment or do I need to wait for an app to come with support for the san? Soz, first android phone!

The prcessor is the same like HTC Legend.

For overclocking you can test SetCPU from the Market. (you need root)

Posted
The prcessor is the same like HTC Legend.

For overclocking you can test SetCPU from the Market. (you need root)

I think you will also need a modified kernel.

Guest piercy
Posted
I'm running modoco's custom rom.

so can modaco's custom rom / kernel be overclocked then? I havent attempted it yet but i think i will do if it can be. Did a neocore bench last night was really suprised by 38FPS sound on and almost 40 sound off. Amazing!

Guest eckengucker1
Posted

Pauls kernel do not include the oc feature yet and you can't overclock the processor without a modified kernel.

Guest sorrowuk
Posted

Can overclocking be added to the custom modaco kernal rom ?

Same processor as HTC Aria etc and they can overclock stable to around 800mhz

Guest BigBearMDC
Posted
Can overclocking be added to the custom modaco kernal rom ?

Same processor as HTC Aria etc and they can overclock stable to around 800mhz

Yap it can be overclocked pretty sure. I had a look at the acpuclock (the file that needs to be modified) and it seems like it should be no problem to get it to 800MHz :lol:

Now I just need a SanFran to test it B)

Best regards,

BB

Guest David Horvath
Posted
Yap it can be overclocked pretty sure. I had a look at the acpuclock (the file that needs to be modified) and it seems like it should be no problem to get it to 800MHz :lol:

Now I just need a SanFran to test it B)

Best regards,

BB

To overclock a CPU from 600 to 800 Mhz would be 133%. Are sure its safe in a smartphone?

Guest Captain_Obvious
Posted
To overclock a CPU from 600 to 800 Mhz would be 133%. Are sure its safe in a smartphone?

Isn't it more like one third? Which is still a lot...

We're discussing an increase by 200 MHZ not by 800 MHZ...

Regards

Ben

Guest David Horvath
Posted
Isn't it more like one third? Which is still a lot...

We're discussing an increase by 200 MHZ not by 800 MHZ...

Regards

Ben

33% of 600 is 200. To increase 600 with 200 seems +33% to me :lol: Or am i out of my mind?

Guest BigBearMDC
Posted

Its safe on the Pulse, and the Pulse has an even weaker CPU running at 528MHz. Overclocking a mobile phone is not really comparable to overclocking a PC. A desktop CPU needs at least 60W, a mobile phone CPU by far less B) Actually I read that the power consumption does not increase significantly on ARM processors.

Edit: I also think you'll never get a phone to overheat by overclokcing (except the iPhone of course :lol:).

Best regards,

BB

Guest Captain_Obvious
Posted (edited)
33% of 600 is 200. To increase 600 with 200 seems +33% to me :lol: Or am i out of my mind?

Nope, I think it was some language barrier. B)

@BigBearMDC

I'd be even more interested in an undervoloting solution.

Regards

Ben

Edited by Captain_Obvious
Guest BigBearMDC
Posted
Nope, I think it was some language barrier. :lol:

@BigBearMDC

I'd be even more interested in an undervoloting solution.

Regards

Ben

I haven't looked into that yet, but it seems to be not possible on every phone.

Let me have a look - back in a minute.

Guest BigBearMDC
Posted

Okay, I now had a further look at the acpuclock. First of all, this is what a cpu frequency table looks like:

static struct clkctl_acpu_speed pll0_245_pll1_960_pll2_1200[] = {

{ 0, 19200, ACPU_PLL_TCXO, 0, 0, 19200, 0, 0, 30720 },

{ 0, 120000, ACPU_PLL_1, 1, 7, 60000, 1, 3, 61440 },

{ 1, 122880, ACPU_PLL_0, 4, 1, 61440, 1, 3, 61440 },

{ 0, 200000, ACPU_PLL_2, 2, 5, 66667, 2, 4, 61440 },

{ 1, 245760, ACPU_PLL_0, 4, 0, 122880, 1, 4, 61440 },

{ 1, 320000, ACPU_PLL_1, 1, 2, 160000, 1, 5, 122880 },

{ 0, 400000, ACPU_PLL_2, 2, 2, 133333, 2, 5, 122880 },

{ 1, 480000, ACPU_PLL_1, 1, 1, 160000, 2, 6, 122880 },

{ 1, 600000, ACPU_PLL_2, 2, 1, 200000, 2, 7, 122880 },

{ 1, 640000, ACPU_PLL_2, 2, 1, 160000, 2, 7, 122880 },

{ 1, 800000, ACPU_PLL_2, 2, 1, 200000, 2, 7, 122880 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0}, {0, 0, 0} }

};

The blue values are the clock frequencies in kHz. The green values are the PLL frequencies, also in kHz. The clock frequencies have to be dividable by the PLL frequencies, otherwise the phone won't boot. I suspect the orange values to be responsible for the CPU voltage, but I'm not sure - and that's the problem. I haven't yet tried to modify them though. I had a look into the N1 kernel hack for an undervolted kernel, but the structure of the frequency table is different from the Pulse and SanFran (where the Pulse and SanFran tables are nearly identical). The two brown lines are those I added for the kernel to support frequencies up to 800 MHz. But its likely that there are still some other things that will need to be modified in order to run the SanFran at 800 MHz.

Best regards,

BB

Guest Captain_Obvious
Posted

Ah, that looks promising, BB!

The HTC Legend and the HTC Mini use the same CPU (Qualcomm MSM7227).

There is a list with other devices that base on said processor : http://pdadb.net/index.php?m=pdamaster

Would it save some trouble to look into the existing undevolting experiences with these phones?

Guest BigBearMDC
Posted
Ah, that looks promising, BB!

The HTC Legend and the HTC Mini use the same CPU (Qualcomm MSM7227).

There is a list with other devices that base on said processor : http://pdadb.net/index.php?m=pdamaster

Would it save some trouble to look into the existing undevolting experiences with these phones?

Thanks :lol:

Sure it would save a lot of trouble and mainly time if there are undervolted kernels already for this chip B)

We could just copy the source code then.

Best regards,

BB

Guest sorrowuk
Posted
Thanks :lol:

Sure it would save a lot of trouble and mainly time if there are undervolted kernels already for this chip B)

We could just copy the source code then.

Best regards,

BB

You able to compile a test build with the values changed and I'll try it and see if it overclocks.

Guest BigBearMDC
Posted
You able to compile a test build with the values changed and I'll try it and see if it overclocks.

From what I saw the kernel source is currently broken, so even if I compile it with my changes the phone won't boot.

But thanks for the offer :lol:

Best regards,

BB

Guest sorrowuk
Posted
From what I saw the kernel source is currently broken, so even if I compile it with my changes the phone won't boot.

But thanks for the offer :lol:

Best regards,

BB

How did paul manage to compile it for his custom rom he made ?

Guest BigBearMDC
Posted
How did paul manage to compile it for his custom rom he made ?

I think he didn't touch the kernel, only the ROM.

Best regards,

BB

Guest BenSeiDank
Posted (edited)

Hello I´m new here. I want to ask, if it`s possible to overclock higher? like 1Ghz?

I here from the Milestone 550Mhz that it successfuly overclocked to 1Ghz.

Thanks for answers :lol:

Hope my SF arrive soon B)

Edited by BenSeiDank
Posted
Hello I´m new here. I want to ask, if it`s possible to overclock higher? like 1Ghz?

I here from the Milestone 550Mhz that it successfuly overclocked to 1Ghz.

Thanks for answers :lol:

Hope my SF arrive soon B)

Different types of processors, I don't see us getting 1GHz, heh.

Guest jsplace
Posted
How did paul manage to compile it for his custom rom he made ?

If you look at release notes it quite clearly states

Stock Kernel :lol:

Guest BenSeiDank
Posted

Sorry for my noobish question, but if we got the source code it is possible to overclock the SF?

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