Question about undervolting my dv1000

Our second notebook, a HP dv1000 with the Celeron M cycles the fan on and off every 20 to 30 seconds. I have read that this can be greatly reduced and improve battery life if I use software to undervolt or underclock the CPU.

I looked at RMClock and visited their forums. I believe that software is too complicated for me. Does anyone have a recommendation for software to undervolt the Celeron m?

Thanks!

later, on edit: I found a few references to a product called PowerGear, but could not find a site to try/download it. Anyone know about that software?

 

I use Notebook Hardware Control to undervolt my DV4000 (formerly Centrino Hardware Control). It is a really nice software package: it's free, displays CPU/HDD/GPU(?) temps, battery time remaining/HDD SMART values.

When running my notebook at 100% for long periods of time the max temp dropped from ~80C to ~65C and when idle it now runs at <40C.

Check it out and let us know what you think.

After typing this, I realized you have a Celeron M which technically isn't part of the Centrino package, but it still may work. Good luck.

 

Well you cannot do much for a celeron M since it does not have speedstep(which downclocks and undervolts the cpu when all the power is not needed) although you can still change the voltage at the stock speed.

Two programs I regularly use are RM Clock or Crystal CPUID . Both have the ability to undervolt your cpu. Before you begin you'll need to know the stock voltage of the cpu. This can be done by running CPU-Z which will give you the info regarding the voltage. Then you can start by slowly undervolting from that level. Test by running Prime95 for a few hours for stability. Then just let it start automatically with windows so that the lower voltages take effect the minute you start the laptop.

 

I haven't been able to lower the voltage of the celeron-m inside the v2110, but I've been able to lower the clock a little. (1300mhz => 1000mhz)


Unfortunately it didn't change anything ... just slower

 

I looked at that web site. It was not clear if it works now for a Celeron M. It seemed like it might, but nothing was stated explicitly. They did, however, change the name from CHC to NHC. So that may be a sign that it works with other processors.

Anyone know for sure?

 

What did you use/do to try? One of the programs listed in this thread?

Thanks.

 

Bump.

Wipeout - How did you do it? I have been told by two different people now that it is completely impossible to undervolt OR underclock a Celeron M.

If you were able to do it, please post how.

Thanks!

 

Bump.

Can a celeron be undervolted?

 

No. Undervolting works if there is some sort of power management built in to the cpu, since the Celeron M lacks EIST(Speedstep) undervolting through RM Clock, NHC or any other undervolting software is not possible.