Undervolting discussion

[Crawshayi]

I have read very conflicting things about undervolting; some say it doesn't do much at all, others say it's worth the effort. What most can agree on though, is that it depends on the phone, so I want to get some input to see if people have had success with it on the Fascinate. I tried a mild undervolt today and while I didn't notice much change with the screen on (while using it) I did notice it held a lot better charge while in stand-by. My settings as of right now are:

1200 MHz - 1300mV (-50)

1000 MHz - 1225mV (-50)

800 MHz - 1150mV (-50)

400 MHz - 950mV (-100)

200 MHz - 850mV (-100)

100 MHz - 850mV (-100)

 

[hhp_211]

I have been running the over / under volts for a while on different test builds with really good results...

I did do a live o/c for a while but have settled on normal o/c


My over / under settings as of right now are:

1200 mhz O/C
100 mhz minimum


1200 MHz - 1400mV (+50)

1000 MHz - 1325mV (+50)

800 MHz - 1250mV (+50)

400 MHz - 1025mV (-25)

200 MHz - 900mV (-50)

100 MHz - 875mV (-75)

------------------------
------------------------

But i have been wanting to test some other stuff too

I figured i would test this::
And see how it runs

1200 MHz - 1350mV (+00)

1000 MHz - 1275mV (+00)

800 MHz - 1200mV (+00)

400 MHz - 1000mV (-50)

200 MHz - 850mV (-100)

100 MHz - 850mV (-100)




sent from my swagger
aokp 10/22 test / devil kernel

 

[Crawshayi]

Just curious, but what was your reasoning to raise the voltage? It seems like that would just be a battery drain because at those steps the stock voltage should be more than enough for stability.

I also don't Live OC but that's only because my phone will crash at 110% Live OC so I don't see the point in doing 105% Live OC... so I just do what you do and have 1200 MHz regular OC now

 

[hhp_211]

Just curious, but what was your reasoning to raise the voltage? It seems like that would just be a battery drain because at those steps the stock voltage should be more than enough for stability.

I also don't Live OC but that's only because my phone will crash at 110% Live OC so I don't see the point in doing 105% Live OC... so I just do what you do and have 1200 MHz regular OC now

Just came from all the reading in the original devil ics thread...
Somebody 'Crack' ran these settings...

http://forum.xda-developers.com/showthread.php?t=1699141

It has so many great answers and Such great info,,, just realized i need to go back and read some more,,,

Think ... devil idle .... :thumbup:

sent from my swagger
aokp 10/22 test / devil kernel

 

[droidstyle]

From all the roms/kernels I ever ran on my fascinate undervolting did help slightly. It seems if I remember correctly that pulling -50uv across the board helped with battery life without decreasing stability. Anymore than that is when the random reboots started. Also disabling the 100mhz step made a big difference with SOD's and reboots.

 

[username8611]

Just curious, but what was your reasoning to raise the voltage? It seems like that would just be a battery drain because at those steps the stock voltage should be more than enough for stability.

I also don't Live OC but that's only because my phone will crash at 110% Live OC so I don't see the point in doing 105% Live OC... so I just do what you do and have 1200 MHz regular OC now

You can do both a live oc (fsb overclock), and a regular overclock (multiplier overclock) at the same time. I use 110 live oc and a 200 mhz regular overclock giving me a total of 1320mhz. Set your live oc then use rom controlor whatever to do your regular overclock on top of it.