MSI Global English Forum

Motherboards => Overclocking, Undervolting => Topic started by: fashric on 08-February-11, 13:02:52

Title: P55 GD85 bios ver 1.4
Post by: fashric on 08-February-11, 13:02:52
Hi i'm having a problem with my board when changing the frequency of my cpu in the bios. Everytime I change it either up or down and do an f10 in bios it will fail to boot. It will go through the 3 failed boots cycle and then reset the bios settings to default. Now i know this is a feature of the board but it really shouldnt be happening if I put the cpu to  clocks and voltages I know to be safe (even happens if i put the cpu back to default) from a higher setting. Only way I can get it to boot after changing the clock speed is by turning of the psu and leaving it off for 30 seconds and then powering back on and then the new frequency sticks without a problem and the board boots fine. Please understand this is only when changing processor frequency and not when changing voltage. When changing voltage (as long as its enough) the board boots fine. I will give a quick example

Settings at the moment
CPU Ratio 20x
CPU Base Frequency 190MHz
Cpu frequency 3800MHz
Cpu voltage 1.20v
DRAM voltage 1.65v

Now all these settings are tested and I know they are completely stable through various stress tests I have done. Now the problem comes If i were to leave all settings the same but then just change the cpu freq. to 3700MHz by changing the base freq to 185MHz and then saving and rebooting this is when it goes into a loop and the board will reset to default. Like i said i can stop this by turning off the psu before the board goes through the 3 failed boot process and then power on again and it will boot with the freq at 3700MHz. Anybody know why the board is exhibiting this behaviour?

Specs
i5 750
2x2gb gskill ripjaws 1600MHz 7-8-7-21
HD5850
P55-GD85 (bios version 1.4)


Title: Re: P55 GD85 bios ver 1.4
Post by: claykin on 08-February-11, 14:12:24
What PSU do you have?

I would try different RAM.  Consider JEDEC std RAM such as Crucial.  Search forums for problems with GSkill Ripjaws.  You'll find plenty.
Title: Re: P55 GD85 bios ver 1.4
Post by: MagnusB on 08-February-11, 19:04:37
Load the new 1.5 BIOS.
Title: Re: P55 GD85 bios ver 1.4
Post by: fashric on 08-February-11, 22:04:12
What PSU do you have?

I would try different RAM.  Consider JEDEC std RAM such as Crucial.  Search forums for problems with GSkill Ripjaws.  You'll find plenty.

If it was the psu (XFX 650XXX) or ram I dont think the problem would only manifest itself when I change the cpu frequency. You have to remember the only time i ever have this problem is when I change that setting at all other times the system is fine. Thanks for the reply.

@MagnusB

Afaik 1.4 is the latest bios http://eu.msi.com/index.php?func=downloaddetail&type=bios&maincat_no=1&prod_no=1977
Title: Re: P55 GD85 bios ver 1.4
Post by: Mike on 08-February-11, 22:06:29
The global site shows version 1.5

http://www.msi.com/product/mb/P55-GD85.html#/?div=BIOS
Title: Re: P55 GD85 bios ver 1.4
Post by: fashric on 08-February-11, 22:10:58
Thanks for that. They really should keep the sites synced. Also it doesn't show up in LiveUpdate 4.
Title: Re: P55 GD85 bios ver 1.4
Post by: Mike on 08-February-11, 22:49:50
DO NOT USE LIVE UPDATE!!!

Use the forum's flasher!  Also, if you flash, use stock settings--remove any overclock of CPU or RAM.

>>Use the MSI HQ Forum USB flasher<< (https://forum-en.msi.com/index.php?topic=116721.0)

I'm also moving this to the overclockers and modding section as you are not using stock settings.  Wait and get some more input before flashing.
Title: Re: P55 GD85 bios ver 1.4
Post by: fashric on 10-February-11, 15:05:31
Thankyou the bios update fixed my problem  :biggthumbsup:
Title: Re: P55 GD85 bios ver 1.4
Post by: Mike on 10-February-11, 18:12:39
  :biggthumbsup:

Glad it fixed it.