The Definitive Guide to Acer Aspire Gemstone Blue Throttling Issues

[hna]

yeah i do get that

[yeroash]

Hey all

I've been following this thread for a while now to fix my throttling issue too.

Recently I got annoyed with Acer ePower managment reducing my CPU speed for no apparent reason so I uninstalled it and decided to just use Windows Power Management, however, this seems to have solved my throttling issues too!! Apart from this change I only downloaded 'Nvidia system tools' from Nvidia website which included an option to keep the GPU fan running 100% (I thought this was the same as CPU fan for us notebook users). So far I have managed to play games for 2 Hours+ with higher settings, whereas before it would only last 10 mins with low settings before FPS drop and throttling.

Further Info - I have:
Aspire 8930G - Geforce 9700M
Latest BIOS version from Acer site
Latest Nvidia Device Drivers

Nvidia System Tools
NVIDIA PhysX System Software

PS. I have not done any under clocking or other mods yet

[warnold]

@yeroash
How is your system holding up now?

@batalyaws32_@
Is you laptop an Acer 8930G?

I have an Acer 8930G, and the core temps using HWMonitor never goes very high, only around 36C. It almost doesn't change, so I need to check if it's stuck!?!

Although the GPU goes to around 90C on games, and so does two of the TZs (TZVR and TZVL, I think, same as batalyaws).
This is when I see the throttling kick in, through RMCLOCK when playing NBA 2K9 after few minutes.
So if the cpu temp is accurate, it's the TZs and the GPUs causing the throttling for me.

Read through entire thread already, will post more info tonight after tests.

[langostino]

And, has nobody send his laptop to ACER SAT for a solution? I think this issue may be for a motherboard thermal sensor damage. A motherboard replacement coud be the better solution.

[Tinderbox (UK)]

Well i have now had 2x 8930G that the core temp does not move unless i re-boot or sleep and resume, even with orthos running and my cpu at 100% for 20 mins.

Anybody know why?

[DarkSilver]

Well i have now had 2x 8930G that the core temp does not move unless i re-boot or sleep and resume, even with orthos running and my cpu at 100% for 20 mins.

Anybody know why?

What kind of Monitoring Softwares you use to check your CPU Temperature?
It's strange to have this problem.
Did you mean after a reboot/sleep/resume, the CPU Temperature will change?
If your CPU didn't throttle, I think you don't need to care about the changing of temperature. XD

[Tinderbox (UK)]

I have tried

Core temp 3.0
hwmonitor
realtemp
pc wizard
sandra

As i said it only changes when i reboot of put the notebook to sleep and then resume , this happens in Vista and W7

And i have had 2 8930G and they both have this problem , but all the other temps work just fine acpi , hdd, gpu , just the cpu core temps do not change.

The only game i play is battlefield2 at full resolution and detail and antiy-alising x8 and i have had no throttling.

[moral hazard]

That just gave me an idea on how to stop throttling for others.

There is a line that decides the sampling interval of the temps, you can delete that line and it may stop throttling. But then you would probably have the same problem that Tinderbox has.

[warnold]

I think I'm having same issues as tinderbox, for HWMonitor, RMClock, RealTemp. The core temps are basically fixed to what it is when I log-in.

This gives us an idea that the acpi / dsdt fixes the core temp value? But it uses several other ACPI temps to enable the throttling.

@tinderbox
Do you have TZ00 and TZ01 in your ACPI when using HWMonitor? I think this is the cpu temp now?
Can anyone else confirm this? This is what increases when I run Orthos.

There are two other thermal zones, TZVR and TZVL which is closer to the GPU temp.

I'm still narrowing down which temp causes throttling, but I've seen the following trends so far.
I think it throttles when TZ00 / TZ01 reaches 61C (cpu, can be remedied by undervolt)
Or maybe it throttles when the TZVR / TZVL reaches 85C (gpu),
Or maybe both will trigger throttling. I'll check again tonight and post back.

[Tinderbox (UK)]

When i run orthos TZ00, TZVR , TZVL all increase quickly the quickest is TZ00 , but TZ01 is slow to react to the increase in temperature so i don't this is a CPU core.