?Processor Speed

On Sat, 07 May 2005 22:08:19 +1000, Bailua wrote:

 > G'day All
 >
 > I just built an AMD3000+ (939) on an ASUS A8V Deluxe mobo. i currenlty have
 > the AI o/c at "auto 10%", but even so, windows only detects the processor
 > speed at 1.09ghz (it was 1ghz with no o/c). also, the cool and quiet program
 > also only detects the speed at 1.0GHz. This processor should be running at
 > 1.8GHz before o/c'ing, so i'm not sure what's going on eh.
 >
You're running powernow which currently has the cpu scaled down to about
1GHz. the 10% AI overclock (which I assume raises the FSB) would account
for the 1.09GHz speed (approx.10% over 1.0). If you want full speed all
the time, disable powernow, or whatever it's called in Win. I've got mine
set to run at 800MHZ until 3% cpu load; well, this is easier.

[General]
pidfile=/var/run/cpufreqd.pid
poll_interval=2
pm_type=acpi #(acpi, apm or pmu)
# Uncomment the following line to enable ACPI workaround (see cpufreqd.conf(5))
# acpi_workaround=1
verbosity=4 #(if you want a minimal logging set to 5)

[Profile]
name=hi_boost
minfreq=2000000
maxfreq=2000000
policy=userspace

[Profile]
name=medium_boost
minfreq=1800000
maxfreq=1800000
policy=userspace

[Profile]
name=lo_boost
minfreq=800000
maxfreq=800000
policy=userspace

[Rule]
name=cpulow
cpu_interval=0-3
profile=lo_boost

[Rule]
name=cpumedium
cpu_interval=3-80
profile=medium_boost

[Rule]
name=cpuhigh
cpu_interval=80-100
profile=hi_boost

[Rule]
name=crackattack
programs=crack-attack
cpu_interval=90-100
profile=lo_boost

# medium power when watching DVDs :
[Rule]
name=dvd_watching
programs=xine,mplayer,avidemux,totem
cpu_interval=0-100
profile=medium_boost


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 >> Stay informed about: ?Processor Speed 

 > however FSB's only come in 100, 133, 166 and 200 Mhz as standard settings,

Those are the memory settings.

The A64 has no fsb. Instead, the clock governs the speed of the cpu and the
hypertransport bus and the memory, through multipliers. Standard clock is
200.

You can't raise the cpu multiplier except on FX cpus, though you can lower
it; on my board the multiplier for the cpu has to be on auto for
cool'n'quiet to work.

You can raise the clock, though.

The hypertransport has to be at or under 1000, so you would lower its
multiplier.

To keep from pushing the memory too far, you set it to a slower type. So, if
your memory is stressing, you set it from pc200 down to 166 or even 133 if
the clock goes really high.

<a style='text-decoration: underline;' href="http://www.xbitlabs.com/articles/cpu/display/sempron-3100-oc.html" target="_blank">http://www.xbitlabs.com/articles/cpu/display/sempron-3100-oc.html</a>

Of course, you must use a board that can/does lock the pci/agp, so they
don't go up with the main clock.

Example:
A64 3200+ multiplier=10x 2.0gigs (200 clock) cpu volts=1.4 ht=5x=1000
mem=200=200
overclock:
clock=240 cpu=2.4gigs (3800+) cpu volts=1.5
ht=4x=960
mem set to 166=200 -- roughly ((166/200)*240)

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 >> Stay informed about: ?Processor Speed 

"Ed Light" <nobody.RemoveThis@nobody.there> wrote in message
news:yM8fe.6494$D91.4313@fed1read01...
  >> however FSB's only come in 100, 133, 166 and 200 Mhz as standard
  >> settings,
 >
 > Those are the memory settings.
 >
 > The A64 has no fsb. Instead, the clock governs the speed of the cpu and
 > the hypertransport bus and the memory, through multipliers. Standard clock
 > is 200.
 >
 > You can't raise the cpu multiplier except on FX cpus, though you can lower
 > it; on my board the multiplier for the cpu has to be on auto for
 > cool'n'quiet to work.
 >
 > You can raise the clock, though.
 >
 > The hypertransport has to be at or under 1000, so you would lower its
 > multiplier.
 >
 > To keep from pushing the memory too far, you set it to a slower type. So,
 > if your memory is stressing, you set it from pc200 down to 166 or even 133
 > if the clock goes really high.
 >
<font color=purple> > <a style='text-decoration: underline;' href="http://www.xbitlabs.com/articles/cpu/display/sempron-3100-oc.html</font" target="_blank">http://www.xbitlabs.com/articles/cpu/display/sempron-3100-oc.html</font</a>>
 >
 > Of course, you must use a board that can/does lock the pci/agp, so they
 > don't go up with the main clock.
 >
 > Example:
 > A64 3200+ multiplier=10x 2.0gigs (200 clock) cpu volts=1.4 ht=5x=1000
 > mem=200=200
 > overclock:
 > clock=240 cpu=2.4gigs (3800+) cpu volts=1.5
 > ht=4x=960
 > mem set to 166=200 -- roughly ((166/200)*240)
 >
 > --
 > Ed Light
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 >
 >
 >
 > --
 > Ed Light
 >
 > Smiley :-/
 > MS Smiley :-\
 >
 > Send spam to the FTC at
 > uce.RemoveThis@ftc.gov
 > Thanks, robots.
 >


Ed, the hypertransport and Front side bus are 2 different names for the same
thing.. the processor clock.
 ><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: ?Processor Speed 

"chuck" <chuck_les_ DeleteThis @hotmail.com> wrote
 > Ed, the hypertransport and Front side bus are 2 different names for the
 > same thing.. the processor clock.

I thought hypertransport was the bus from the cpu to the memory, and front
side bus was between north and south bridges.

Oops.
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 >> Stay informed about: ?Processor Speed 

"Ed Light" <nobody RemoveThis @nobody.there> wrote in message
news:kvbfe.6522$D91.5262@fed1read01...
 >
 > "chuck" <chuck_les_ RemoveThis @hotmail.com> wrote
  >> Ed, the hypertransport and Front side bus are 2 different names for the
  >> same thing.. the processor clock.
 >
 > I thought hypertransport was the bus from the cpu to the memory, and front
 > side bus was between north and south bridges.
 >
 > Oops.


The hypertransport bus runs from the CPU to the chipset.

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Not quite sure the best position in this thread to put this post ...

chuck wrote:
[...]
 > Ed, the hypertransport and Front side bus are 2 different names for
 > the same thing.. the processor clock.

The 200MHz clock that is in a K8 system is probably best referred to as the
system or base clock. It is definately not the FSB clock, no matter what
part of the system you are calling the FSB. The Hypertransport links run at
a multiple of the system clock speed (usually 4x or 5x, and then with DDR on
top of that), and the CPU itself runs at another multiple of the system
clock.

System clock
+-> Multiplies to get
| Hypertransport bus speed
|
\-> Multiplies to get
CPU speed
|
\-> Divides to get
RAM speed

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