problems with undervolting uniwill 223ii0
Thanks for this very useful thread!
My configuration: 12" uniwill 223ii0 (aka sentia alienware, winbook x etc)
PM 755 2GHz/2x512MB/80GB/WinXP Pro
I tried to follow the instructions in the first post here and have encountered several
1. rmclock and mobilemeter show the clock frequency at 2,2 GHz
2. all programs I tried including mobilemeter and SpeedFan show the processor temperature constant at 11.0°C (the same also in Ubuntu linux). The HDD temperature is shown between 51 and 54°C.
3. when I run prime95 "torture test" the processor load is at the level of 50%, not 100%.
Another torture test program CPUBurn-in v1.01 allows to have 100% processor load but then the processor clock oscillates between 2.0 and 2.2 GHz.
SO far I undervolted my 2GHz processor from
max VID 20.0x 1.34V, min VID 6.0x 0.988V
to max VID 20.0x 1.10V, min VID 6.0x 0.7V
prime95 runs stable for 10 hours now but the processor load is only 50%.
If I start to run CPUBurn-in (which needs 100% load) together with prime95,
then prime95 generates mistakes while CPUBurn-in runs without mistakes.
If I chose the next lower level max VID 20.0 x 1.084V, the system crushes after several minutes of operation.
Can I assume that 1.10 V is my optimal choice for max VID?
Is the result good? So far I haven't checked its impacs on fun noise and battery life.
How the problem with the temperature readout could be solved?
Is there any other way to manipulate the fun speed, even manually, both from WinXP and
Linux (Ubuntu, Debian, SUSE, Scientific Linux are my preferences).