Blacklist of locked Down Version´s of RK3188 CPU

[el_easy]

Thanks for info. el_easy.
some additional question though.
Have you opened your case to see if it has RK3188 non-T? (if so, when did you buy stick?)
have you played 1080? does it play without any hic up?
Blue tooth is not that important to me either, so your set up might be my answer!!

I haven't open and I won't, like I said before, we have solid Ugoos UM2:WiFi chip rk3188 ap6210 that run fine out of box.

Yeah, with Kernel3 you can play1080, By the way, I use Netflix,showtime and HBO GO only.

Just install NEOMODE CUSTOM ROM MK809III AP6210 Version 1.9a with kernel3.img and you won't have any problem, because I have that too or you can install Android 4.4 KitKat Firmware by Finless Bob from UGOOS site

[Pet2001]

Since I have got a RK3188T which is capable of bearing 1800 MHZ, I would really like to have just kernels compiled without limitations on cpu frequency, even because until now I haven't found a way to change the threshold value in a compiled kernel image and I think it is really hard (almost impossible) to do...

It's not hard. Either override the return value for the fuse test (efuse.c) or increase the threshold (cpufreq.c.)

Oh yes! But this must be done in the kernel source before building the kernel (I haven't tried to
cross-compile a kernel for rockchip platform, till now, just played with linux kernel on i386 platform. And I don't have a reliable kernel source tree with me, nor a good config file for my device...).
Thus, I was speaking about tricking a binary kernel image...

I can't compile and test until the weekend, but then I'll post a kernel with debug message in saying Rk3188 or RK3188T

If you are going to build such a kernel, perhaps you could also try to build a version with enabled overclocking (cpu, gpu, ddr) for RK3188T... please?

[d33]

Blacklist of locked Down Version´s of RK3188 CPU

If you are going to build such a kernel, perhaps you could also try to build a version with enabled overclocking (cpu, gpu, ddr) for RK3188T... please?

Sure.


Using my ipad so apols for any stupid ios spelling 'corrections'

[Pet2001]

Sure.

Thanks for your consideration. I'll wait it for testing.

[mikele]

Oh yes! But this must be done in the kernel source before building the kernel (I haven't tried to
cross-compile a kernel for rockchip platform, till now, just played with linux kernel on i386 platform. And I don't have a reliable kernel source tree with me, nor a good config file for my device...).
Thus, I was speaking about tricking a binary kernel image...

If you are going to build such a kernel, perhaps you could also try to build a version with enabled overclocking (cpu, gpu, ddr) for RK3188T... please?

do you speak about KiTkAt kernel ? or jelly bean

[tinyhands]

I haven't open and I won't, like I said before, we have solid Ugoos UM2:WiFi chip rk3188 ap6210 that run fine out of box.

Yeah, with Kernel3 you can play1080, By the way, I use Netflix,showtime and HBO GO only.

Just install NEOMODE CUSTOM ROM MK809III AP6210 Version 1.9a with kernel3.img and you won't have any problem, because I have that too or you can install Android 4.4 KitKat Firmware by Finless Bob from UGOOS site

Not so fast.
Note that geekbuying has revised the product description for the UM2 to include one little letter: T.
Buyers should not assume that their UM2, especially if purchased within the last few months, is a non-T cpu. Nor should you assume that any particular kernel & ROM combination will perform to the same level as anyone else's. At the moment, the only way anyone including el easy can definitively state that they have a non-T cpu is to open it up.

On the other hand, if el easy is offering a money back performance guarantee, I might go buy one.

[d33]

I *WILL* still provide a kernel build that flags the processor and has an overide to 1.6GHz as a test once I get home but ...

I just re-read the KitKat kernel code and realised there are DMESG entries already in that will tell you if it is a T model.

If you are using a KitKat ROM (4.4.2) then the test will be to get either a custom built kitkat kernel or a patched stock one and check DMESG as soon as possible after boot. There will be messages of the following format if the processor is a 'T'.

"cpufreq: delete arm freq (....)"

You may see the same messages in a jellybean (4.2.2) kernel too but I don't have sources for that

[digger]

If you are using a KitKat ROM (4.4.2) then the test will be to get either a custom built kitkat kernel or a patched stock one and check DMESG as soon as possible after boot. There will be messages of the following format if the processor is a 'T'.

"cpufreq: delete arm freq (....)"

Hi d33,
I've just tried to get dmesg from my new box K-R42(don't look at my sign below) flased with wasser's KitKat 0.92-4.4.2.
Here is the part from desg.txt

<6>[ 1.030919] PMU: registered new PMU device of type 0
<4>[ 1.036017] efuse_version_val: efuse version = 51
<4>[ 1.040732] DVFS MSG: core: dvfs_adjust_table_lmtvolt get leakage_level = 6000
<4>[ 1.047996] adjust table freq=1608000 KHz, index=1375000 mV to index=1350000 mV
<4>[ 1.055563] efuse_version_val: efuse version = 51
<4>[ 1.060276] DVFS MSG: aclk_gpu: dvfs_adjust_table_lmtvolt get leakage_level = 6000
<4>[ 1.068714] cpufreq: delete arm freq(1608000)
<4>[ 1.073411] rk3188 cpufreq version 2.2, suspend freq 816 MHz

Does it mean I have "T"?
I had tried to play with different FWs and kernels before. I could see 1704 and 1800 for CPU with sam's kernel, but it was something strange with GPU(mali_dfvs always showed me 446 max) and I had low enough 2D+3D AnTuTu scores.

[d33]

Hi d33,
I've just tried to get dmesg from my new box K-R42(don't look at my sign below) flased with wasser's KitKat 0.92-4.4.2.
Here is the part from desg.txt

<4>[ 1.068714] cpufreq: delete arm freq(1608000)
<4>[ 1.073411] rk3188 cpufreq version 2.2, suspend freq 816 MHz

Does it mean I have "T"?.

yepp

[mikele]

Its very very easy to see "T" model

Install CPUZ and if you have 1.2GHz or 1.4GHz is it a "T" model for sure.
or
Open the box if you see RK3188-T is a "T" model
or for rooted rom
Dmesg if you see cpufreq: delete arm freq... its a "T" model

[d33]

Its very very easy to see "T" model

Install CPUZ and if you have 1.2GHz or 1.4GHz is it a "T" model for sure.
or
Open the box if you see RK3188-T is a "T" model
or for rooted rom
Dmesg if you see cpufreq: delete arm freq... its a "T" model

Not quite 100% true. Some of the original 'stock' KitKat kernels where fixed to 1.2 GHz for all.

[digger]

yepp

Dear d33,
But how then can you explain that I have been shown with 1,6 and 1.8Ghz using 4.2.2 wasser FW(ver.1.2.4) +Sam's overclocked kernes? In addition the stock 4.2.2 FW shows me 1.6Ghz too?

[t00]

My mk908v3's rk3188 doesn't boot at non-stock values. Maybe not all 3188 can be overclocked even if they passed testing...

[mikele]

I told to my sellers (****) to refund me half $ because its fraud to sell this item as is.

He refunded me 35 US$ and he explain to me that the T "doens't have the power saving module" its only difference beween T and not T models (cf manufacturers)

?? If this is true, the T is the same except power saving module

[JDfense]

And I needed a pause from the Rockship Model T shi...


So I refund myself with a state of the art tablet. For once finally a device with the complete Google support.
It is the awesome nexus7 2013.:-)

I'm lucky with my new device.

JDfense ----> Nexus 7 ▶ 2013