Not running at right speed

SubScape · 18 Dec 2010 at 17:56

Hey, My dad has an old pentium dual core PC at his house and it says on cpu-z that it should be running at 2.5Ghz, but it says on cpu-z and in bios that it runs at `.8ghz, so I stress tested it and as you can see it says 1.8Ghz, if anyone can explain or tell me how to get it at full speed it would be much appreciated, cheers. Alex.

jones2636 · 18 Dec 2010 at 18:03

Do you know if there is some sort of power saving on these chips?
Also what is the mutliplier set at in the Bios?

Tealc · 18 Dec 2010 at 18:11

According to Intel it should be set at a 12.5 multiplier.

jones2636 · 18 Dec 2010 at 18:15

Tealc said:
According to Intel it should be set at a 12.5 multiplier.

Well that could be his problem then as is it not showing multi of 9?

SubScape · 18 Dec 2010 at 18:19

Ah right, I take it I'd have to change that in bios?

SubScape · 18 Dec 2010 at 18:19

I thought it might be power saving that's why I did the burn test

phil128 · 18 Dec 2010 at 18:22

Maybe its your wallpaper?

RJC · 18 Dec 2010 at 18:23

What motherboard is in the pc.

Can you try doing a CMOS reset.

SubScape · 18 Dec 2010 at 18:24

It's a Gigabyte G31M-S2L

Justintime · 18 Dec 2010 at 19:04

If you can change the multiplier in the BIOS, set it to 200x12.5 How old is the BIOS? this may need updating.

SubScape · 18 Dec 2010 at 19:13

Thanks, can't really do anything right now but I'll try later

esK` · 18 Dec 2010 at 19:26

Speedstep, C1E ?

Justintime · 18 Dec 2010 at 19:29

Possible, but the cpu is still stuck at low speed under load, 9x might be the lowest multi available, hence my suspicion the cpu is not fully supported by the current BIOS.

Edit: To the OP, if you click on the mainboard tab of cpuz it'll tell you the BIOS date.

SubScape · 18 Dec 2010 at 19:37

12/29/2008 is the bios date, this machine was built my a local computer shop after our very old single core evesham died, I've only just really looked at the specs of it since I've got more interested in computing

RJC · 18 Dec 2010 at 19:45

Looking at the BIOS rev date, your running F9 which looking at the Gigabyte website supports your CPU.

http://www.gigabyte.com/support-downloads/cpu-support-popup.aspx?pid=2693

SubScape · 18 Dec 2010 at 19:50

In cpu-z is says bios version is F6

Justintime · 18 Dec 2010 at 19:58

Then you need F9 or newer for proper support

Are you sure its F6 though? Maybe Gigabytes site is wrong though, it does indeed say that date is F9.

Heres F10f anyhow : ftp://download.gigabyte.ru/bios/motherboard_bios_ga-g31m-s2l_f10f.exe

RJC · 18 Dec 2010 at 20:00

Ah, Like JIT mentions above, download the latest bios and you should be good

SubScape · 18 Dec 2010 at 21:08

Thanks for the support, I've never updated a bios before, I'm unsure of how to go about it, any help would be appreciated

jones2636 · 18 Dec 2010 at 21:29

Flashing your bios can be frught with risk. Best wait for someone to come along who knows more about Gigabyte borads. I am more of an Asus man.