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 AMD K8 Family Overclocking (754/939/940/AM2/1207), General discussions and newbies' guide

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lichyetan
post Apr 4 2006, 01:07 AM

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I currently using the pc as the spec at my signature, 1 weird problem is i can OC my cpu till 2.5Ghz without pumping up any voltage, but once i hit over 2.5 Ghz to 2.6Ghz, i can log on to windows without adding voltages but it freezes when running prime, after i pump up the voltages to 1.425, it stills same , freezes during prime stress test, could anyone give me some hint???
pizzaboy
post Apr 4 2006, 01:09 AM

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Pump it to 1.5V then.
2.6GHz on 1.425 kira good ones adi lo...
PCcrazy
post Apr 4 2006, 01:30 AM

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QUOTE(lichyetan @ Apr 4 2006, 01:07 AM)
I currently using the pc as the spec at my signature, 1 weird problem is i can OC my cpu till 2.5Ghz without pumping up any voltage, but once i hit over 2.5 Ghz to 2.6Ghz, i can log on to windows without adding voltages but it freezes when running prime, after i pump up the voltages to 1.425, it stills same , freezes during prime stress test, could anyone give me some hint???
*
Make sure RAM and HTT are still within permissible limits as well. These are factor most of us sometimes ignore. Pumping the vcore should do as of now. I will avoid exceeding 1.65v on a decent aircooled setup.
kingmaker_20
post Apr 4 2006, 01:37 AM

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Can you post the Idle/Load temperature?
jarofclay
post Apr 4 2006, 02:23 AM

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What is your HTT multiplier? It is commonly called LDT as well. It ranges from 1x to 5x. You might need to lower it down to 4 if your HTT hits 250 or more.

QUOTE(lichyetan @ Apr 4 2006, 01:07 AM)
I currently using the pc as the spec at my signature, 1 weird problem is i can OC my cpu till 2.5Ghz without pumping up any voltage, but once i hit over 2.5 Ghz to 2.6Ghz, i can log on to windows without adding voltages but it freezes when running prime, after i pump up the voltages to 1.425, it stills same , freezes during prime stress test, could anyone give me some hint???
*
Penjejak awan
post Apr 5 2006, 11:16 AM

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try add your vcore...
if also cannot try add your ram vdimm...
if also cannot maby your proc hit the wall already..
ryugan
post Apr 5 2006, 04:11 PM

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try add your vcore...?
if also cannot try add your ram vdimm...?
if also cannot maby your proc hit the wall already?


waa so low lh...

whut 'bout PSU?..

got 12v @14amp n 15amp
maybe cant oc well
need help

KilJim
post Apr 5 2006, 06:39 PM

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QUOTE(ryugan @ Apr 3 2006, 10:59 PM)
i'm super noob here...

my rig..

cant go more than 239 fsb..

239fsb setting....- mem 200 = 478mghz 3.3.3.7 @ 2.7v [corsair xms 3200 pro led]                    rev5.2
                        - HTT 4x
                        - proc ratio 8x
                        - proc vCore 1.492

240 setting - blank-bios blank...
                - so i raise vCore..still da same..

did i miss something rclxub.gif
*
Keep your proc multi at 9X
Lower your RAM multi to 166 or whatever your mobo calls it
Should be called something like FSB : DRAM
kulus
post Apr 5 2006, 06:53 PM

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yeah..use proc multi at 9 lor..9 x 239 = 2.151 Ghz and 8 x 239 = only 1.9 Ghz
ryugan
post Apr 6 2006, 02:01 PM

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QUOTE(kulus @ Apr 5 2006, 06:53 PM)
yeah..use proc multi at 9 lor..9 x 239 = 2.151 Ghz and 8 x 239 = only 1.9 Ghz
*
ok..i ve done it...

250fsb @ 250 mhz ram(500). timing 3.3.3.8 @ 2.8v

vcore 1.490..



but sumthing wierd. i set proc multiplier to 8x...@ bios...when boot up .to windows...n see @ CPU-z still 9X shocking.gif
KilJim
post Apr 6 2006, 05:03 PM

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QUOTE(ryugan @ Apr 6 2006, 02:01 PM)
ok..i ve done it...

250fsb @ 250 mhz ram(500). timing 3.3.3.8 @ 2.8v

vcore 1.490..
but sumthing wierd. i set proc multiplier to 8x...@ bios...when boot up .to windows...n see @ CPU-z still 9X  shocking.gif
*
did u lower your ram multi yet?

redbull_y2k
post Apr 6 2006, 05:10 PM

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QUOTE(ryugan @ Apr 6 2006, 02:01 PM)
ok..i ve done it...

250fsb @ 250 mhz ram(500). timing 3.3.3.8 @ 2.8v

vcore 1.490..
but sumthing wierd. i set proc multiplier to 8x...@ bios...when boot up .to windows...n see @ CPU-z still 9X  shocking.gif
*
should disable Cool & Quiet feature in bios as well.
kulus
post Apr 6 2006, 07:06 PM

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err.. i think cool n quite in bios doesnt kacau the overclocking system..
Penjejak awan
post Apr 6 2006, 09:54 PM

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QUOTE(kulus @ Apr 6 2006, 07:06 PM)
err.. i think cool n quite in bios doesnt kacau the overclocking system..
*
kulus i think cool n quite must be disable before oc...because when oc the system temperature will be increase.. so cool n quite will kacau if wi do nat disable it... smile.gif
ryugan
post Apr 6 2006, 11:02 PM

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QUOTE(KilJim @ Apr 6 2006, 05:03 PM)
did u lower your ram multi yet?
*
nope..

all features disabled

if i lower my multi ram can get higher cpu clock aaa? blink.gif

ok i'll try....
KilJim
post Apr 7 2006, 12:01 AM

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I'm guessing that's the main thing limiting your speeds now

Cause your rams probably cant go much above 250mhz, so put some lower dividers on them so that they'll run lower and wont limit your proc

CnQ doesnt have to be disabled when OCing
But you should disable it so that u dont have any problems
PCcrazy
post Apr 7 2006, 04:45 AM

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Recently tested a frined of mine MSI K8N SLI-FI, the basic system consists of AMD64 x 2(4200+) + KVR 1GB/CORSAIR VS 1GB (tested both).

Overclocking wise this board is a dissapointment, while the AMD64 x 2 is capable of some serious performance but was letdown by the poor performance. The maximum HTT was not consistent, the highest being 240HTT which was really unstable and the lowest but competely stable was recorded at only 225HTT.

After some googling, there is no fix for this somewhat lacklustre performance via flashing the BIOS. Anyway I did flashed the BIOS but only having to noticed no improvement whatsoever. The BIOS is just to fix bug over some USB issues.

So I recommend you guys to stay away from this board at all cost, there is just no Nforce 4 SLI chipset that is cheap but provides the enthusiast with much needed performance. It was a letdown, MSI have certainly gone backwards with this value edition of its SLI chipset. Should have done better considering the K8N Diamond is a wonderful clocker.
redbull_y2k
post Apr 7 2006, 12:31 PM

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QUOTE(KilJim @ Apr 7 2006, 12:01 AM)
I'm guessing that's the main thing limiting your speeds now

Cause your rams probably cant go much above 250mhz, so put some lower dividers on them so that they'll run lower and wont limit your proc

CnQ doesnt have to be disabled when OCing
But you should disable it so that u dont have any problems
*
CnQ must be disabled if u plan on using a lower cpu multiplier, else it would go back to default whenever u enter windows esp if u had the A64 driver installed.
KilJim
post Apr 7 2006, 12:50 PM

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QUOTE(redbull_y2k @ Apr 7 2006, 12:31 PM)
CnQ must be disabled if u plan on using a lower cpu multiplier, else it would go back to default whenever u enter windows esp if u had the A64 driver installed.
*
Ah...i see
But with a max multi of 9X, no one really needs to lower it sweat.gif
redbull_y2k
post Apr 7 2006, 01:01 PM

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QUOTE(KilJim @ Apr 7 2006, 12:50 PM)
Ah...i see
But with a max multi of 9X, no one really needs to lower it  sweat.gif
*
yup, only affects u if u decide to lower it tho. Like in case u wanna test the highest stable HTT for the mobo, u'd lower the cpu n ram multiplier. tongue.gif

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