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newer computer has wrong BUS speed?

Posted on 2004-10-08
Medium Priority
Last Modified: 2011-09-20
I have an HP a350n I bought around 8 months ago.  I chose this one because it was listed as having 800mhz FSB.  I ran Belarc Advisor on it and here are the results:

Board: ASUSTeK Computer INC. 'P4SD-LA' Rev 1.xx
Serial Number: X312345678
Bus Clock: 200 megahertz
BIOS: American Megatrends Inc. 3.14 09/04/2003

Why is it listed as 200mhz?  Is this a different bus speed than the front side BUS, is it set wrong, or did I get ripped off?
Shouldn't it be 800mhz?
Question by:Lakefront
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Accepted Solution

tfjeff earned 1000 total points
ID: 12264673
the system is probably using a "quad pumped" bus, intel uses this to produce the "800 MHZ" FSB, AMD has a similar technique that dual pumps a 200 MHZ FSB to make it their 400 FSB.  Basically what happens is there are supposedly 4 processes per clock cycle rather than 1, although the bus is still physically 200 MHZ (200 mhz x 4 processes per cycle = 800).  I have a dell dimension system with an 800 FSB and most benchmarking programs detect it as a 200 MHZ FSB as well.
LVL 10

Expert Comment

ID: 12264679
in case you think I'm full of it, check out this article under the  "800 MHZ FSB" section


or do a google search for "800MHZ FSB quad pumped" (without the quotes)
the same is true of the 533 FSB, it is a quad pumped 133.

Author Comment

ID: 12264881
Interesting.  I've got a computer at work that shows up on Belarc Advisor as 533.  Under that formula (it's a 133 quad pumped) shouldn't it show up on Belarc as 133 since my HP shows up as 200?
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LVL 10

Expert Comment

ID: 12265164
I ran belrac  on my p4 dell system and it detects my FSB as 800 as well, that's strange...I ran it on my AMD system (400 myz fsb) and it says 200 MHZ, however, sisoftware's sandra reports 2x199mhz (sisoftware sandra also says my P4 is 4x200 for 800MHZ).  Run sandra and see what it says if you are interested, otherwise check your bios to see if any settings are available to change FSB (probably not because it's an HP, but I'm not sure).

Author Comment

ID: 12266058
Can you provid a link? Which program am I supposed to run?
LVL 10

Expert Comment

ID: 12267815
there are lots of places you can download that software from, just do a google search for "sisoftware sandra"
if you really need a specific link, this is what I found on the official sisoftware site.
good luck

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