Computer Audio Asylum

FSB frequency is only 100Mhz with Biostar P4M900-M7 SE. Is this how it should be?

69.253.209.149

carcass93

In Reply to: RE: cMP - the open source high-end Memory Player posted by cics on December 30, 2007 at 05:42:01

That gives FSB:DRAM ratio of 1:2 when DRAM is set to 200MHz. There's no option in BIOS to change FSB frequency, and no jumpers on MB to do that.

What are your thoughts on that?

Follow Ups:

RE: FSB frequency is only 100Mhz with Biostar P4M900-M7 SE. Is this how it should be? - cics 00:11:01 01/27/08 (7)
With CPU-Z, you should get the following:

FSB is 800MHz and bus speed is 200MHz. What CPU are you using?

Core voltage should read 1.168V. This is my second setup (1.296V) and I'm using normal voltage (as I need the extra CPU power for 24/192 processing).
- It's E2140, using normal voltage. - carcass93 06:50:47 01/27/08 (6)
  CPU-Z shows core speed 600MHz (instead of 1200), bus speed 100, Rated FSB 400. Core voltage 1.168.
  
  Something doesn't seem right. Will try to update MB drivers with the latest (from Biostar site, now everything's installed from CD).
  
  Any idea what could be wrong?
  - RE: It's E2140, using normal voltage. - frennekamp@netcologne.de 15:16:04 03/30/08 (0)
    I had the same thing, but when you change the FSB to 201 and save and then back to 200, tada !!!
  - RE: It's E2140, using normal voltage. - cics 07:41:30 01/27/08 (4)
    That's very strange!
    
    Try updating BIOS - should this not resolve it then fault is most likely with mobo. Have it replaced.
    - Problem disappeared shortly after (but not right after!) updating BIOS. - carcass93 07:53:26 01/28/08 (3)
      I flashed BIOS with the latest, and I could swear that reboot right after that still yeilded the same wrong numbers in CPU-Z. But, shortly after that it all became normal (1.2 GHz CPU core, 800 MHZ FSB) and stays normal.
      Go figure.
      
      Edits: 01/28/08
      - RE: Problem disappeared shortly after (but not right after!) updating BIOS. - Neil 14:14:41 02/16/08 (1)
        
        In Reply to: RE: Problem disappeared shortly after (but not right after!) updating BIOS. posted by carcass93 on January 28, 2008 at 07:53:26
        
        What exact version of BIOS file did you flash with? Did you have to use DOS/Floppy, or was there a Windows app? I've been having the exact same issue. This board seems to be pretty touchy.
        
        RE: Updating BIOS - cics 21:59:30 02/16/08 (0)
        
        In Reply to: RE: Problem disappeared shortly after (but not right after!) updating BIOS. posted by Neil on February 16, 2008 at 14:14:41
        
        For Biostar P4M900-SE, use this BIOS (2007-08-03 without logo) . There's a BIOS utility (2.67MB) that you can use to flash BIOS from Windows - download it from same link provided.
      - RE: Problem disappeared shortly after (but not right after!) updating BIOS. - cics 08:50:19 01/28/08 (0)
        
        In Reply to: RE: Problem disappeared shortly after (but not right after!) updating BIOS. posted by carcass93 on January 28, 2008 at 07:53:26
        
        That's great!
        
        Sorry - should've mentioned immediately after reflash, power down, do CMOS reset (using jumpers) then perform 'Load Optimized Defaults' in BIOS. Thereafter reset BIOS to correct values.

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