How to overclock my system but safely?

Amd Athlon 64 3200+ clawhammer processor
January 29, 2010 at 01:33:51
Specs: Windows XP
Based on GPUZ 1.53.1:
Processor name: AMD Athlon 64 3200+
Code name: Winchester Brand ID: 4
Package: Socket 939
Technology: 90nm Core Voltage: 1.392V
Spec: AMD Athlon 64 3200+
Family: F Model: F Stepping: 0
Ext.Family: F Ext.Model: 1F Revision: DH8-DO
Instructions: MMX(+),SSE(1,2),x86-64
Clock speed: 2009.2mhz
Multiplier: x10.0
Bus speed: 200.9mhz
HT Link: 1004.7mhz
L1 Data: 64kb 2-way
L1 Inst.: 64kb 2-way
Level 2: 512kb 16-way
Cores: 1 Threads: 1
Mainboard:
Manufacturer:DFI Inc.
Model: NF4_U_SLI
Chipset: nVIdia nForce4 Rev.A3
Southbridge: nVidia nForce4 MCp
LPCIO: ITE IT8712

Bios:
Brand: Phoenix Tech,LTD
Version: 6.00PG
Date: 04/10/2006

Graphic Interface:
Version: PCI-Express
Link width: x16 Max.Supported: x16

Memory:
Type: DDR Channels#: Single
Size: 1536MB
Timings:
DRAM Freq: 167.4MHZ
FSBDRAM: CPU/12
CAS#Latency(CL): 2.5 clocks
RAS#toCAS#Delay(tRCD): 3 clocks
RAS#Precharge(tRP): 3 clocks
Cycle Time (tRAS): 7 clocks
Bank Cycle Time (tRC): 10 clocks
Command Rate(CR): 2T
DRAM Idle Timer: 16 clocks

SPD:
Mem.slot 1: DDR
Module Size:1024MB Correction:None
Max.Bandwidth: PC3200(200MHZ) Registered: No
Buffered: No
Timings Table:
Freq./CAS#Latency/RAS#toCAS#/RAS#Precharge/tRAS/Voltage: Jedec#1(133MHZ/2.0/2/2/6/2.5V) Jedec#2(166MHZ/2.5/3/3/7/2.5V) Jedec#3(200MHZ/3.0/3/3/8/2.5V)

Mem.slot 1: DDR
Module Size:512MB Correction:None
Max.Bandwidth: PC3200(200MHZ) Registered: No
Buffered: No
Timings Table:
Freq./CAS#Latency/RAS#toCAS#/RAS#Precharge/tRAS/Voltage: Jedec#1(133MHZ/2.0/2/2/6/2.5V) Jedec#2(166MHZ/2.5/3/3/7/2.5V) Jedec#3(200MHZ/3.0/3/3/8/2.5V)

Grapics:
Radeon X800GT
Code Name: R423
Tech.: 0.13um
Size: 256MB

Please tell me how to overclock my AMD Processor,so I can run it at higher speed, but safe. Thanks before :)


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#1
January 29, 2010 at 05:18:06
Notice that your RAM is running at the wrong frequency (167MHz instead of 200MHz) plus it's running in single channel mode rather than dual channel mode. The frequency problem is *probably* an incorrect BIOS setting. And you either have the RAM in the wrong slots or the mix of 512MB + 1GB is preventing dual channel mode from being enabled.

Before doing anything, read this article & make sure you understand it:

A64 Overclocking Theory 101


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#2
January 29, 2010 at 08:36:59
I did using ddr 1gb and ddr 512mb, thats why dual channel is disable. I just enter my BIOS and set the processor speed to 220=2200mhz (250=2500mhz) won't work. I enter windows and everything is ok. Thanks anyway for your info. Have a nice day :)

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#3
January 29, 2010 at 10:41:10
You didn't answer why your RAM is running at the wrong speed.

"I just enter my BIOS and set the processor speed to 220=2200mhz (250=2500mhz) won't work"

Did you read about how to overclock an A64? Apparently not. You have to decrease the RAM speed setting, lock the PCI & PCI-express at their default speeds, disable C'n'Q, disable ALL Spread Spectrum options & decrease the HT multiplier from 5x to 4x...THEN you can carefully begin raising the CPU frequency. And you *may* have to increase the CPU voltage to stabilize the overclock.


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Related Solutions

#4
January 30, 2010 at 02:15:38
I do not read the overclock guideline, it makes my head dizzy :p I enter genie bios and set ddr at 200MHZ, and cpu speed at 220MHZ. Now my computer running at 2205.7MHZ, and DDR speed 220.6MHZ. I do not set cpu voltage because I do not understand it. But my system is ok now. I do the benchmark with OCCT,3D Mark 2005, and I play games for more than 5 hours. Also I run my computer for whole day without any problem. I install ATI tray tool 1.3.6.1 to see my CPU and GPU temperature. CPU is 43 and GPU 48. Thank you very much for your info about DDR frequency :)

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#5
January 30, 2010 at 07:22:00
You're never gonna learn anything if you don't read.

Overclocking an AMD system is a complex procedure & you need to know which BIOS settings need to be changed & why. Your CPU can easily do 2.5GHz but you have change all the settings I listed in my other response. When you increase the CPU frequency, all the other frequencies increase along with it...that is what you do NOT want to happen. You do NOT need to overclock the RAM, PCI-e or HT buses....they should run as close to their default speeds as possible. All you need to do is overclock the CPU. And keeping Spread Spectrum enabled can cause system instability because it causes the frequency to fluctuate.

I'm not exactly sure which motherboard you have because there is no such thing as a DFI NF4_U_SLI. I can only guess that your board is from the DFI Infinity series since the chipset is identified as an nForce4. The easiest way to find out would be to open the case & have a look. The model number is printed on the board.

If you want to overclock correctly, try these settings:

Under Advanced Chipset Features:

CPU Spread Spectrum = disabled
SATA Spread Spectrum = disabled
PCIE Spread Spectrum = disabled

Under Genie BIOS Settings > Clock & Raito Settings:

Hammer Fid Control = 230MHz (for starters)
HT Frequency = 4x
PCIE Clock = 100MHz

DRAM Configuration (Press Enter):

Memclock Index Value = 183MHz (for starters)

Under Over Voltage Settings:

AMD K8 Cool & Quiet = disabled
CPU Voltage Offset = +0.100v

The above settings will put the CPU at 2.3GHz, the RAM at 209MHz & the HT bus at 920MHz.

The next step should be 2.4GHz. To get to that, raise the Hammer Fid Control to 240MHz & lower the Memclock Index Value to 166MHz. These settings will put the CPU at 2.4GHz, the RAM at 200MHz & the HT bus at 960MHz.

If you want to shoot for 2.5GHz, leave the Memclock Index Value at 166MHz & simply raise the Hammer Fid Control to 250MHz. If you're succesful, the CPU will run at 2.5GHz, the RAM at 208MHz & the HT bus at 100MHz.

*** If these BIOS options don't jive with your BIOS settings, it's becuase I'm looking at the wrong motherboard. If that's the case, I'd need to know the correct model number so that I can download the manual.


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#6
January 31, 2010 at 02:14:24
wow...seems your are very expert on this. My motherboard is DFI NF4 Infinity. You can visit www.dft.com and select phaseout model,look for DFI NF4 Infinity. I will try your method. But right now I only use standard cooling from AMD, is that ok if I run at 2.3 or 2.4?
I want to ask one more question: I use HIS ATI Radeon x800GT 256MB DDR3 pcie1.0 256bit 980MHZ. My card only support shader model 1.0. I want to play Resident Evil 5 (required shader 2.0). Is there a way that I can tweak my VGA in a safe way so I can play games that need shader 2.0?
Many thanks for sharing. Thank you so much. God bless you :)

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#7
January 31, 2010 at 02:17:28
Oh, one more thing, I already install ATI Tray Tool and tweak my VGA to shader 2.0, but it wont work :( (please let me know if there is any software or method I can use, because this is very important for me. My VGA is still powerful, only it does not support shader 2.0)

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#8
January 31, 2010 at 04:55:30
You can't tweak a shader to a newer version, it's either hardware encoded into the video processing unit itself or not. There is no way to make that happen. That would be like turning a DirectX 10 card into a DirectX 11 card.

Iron Sharpens Iron.


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#9
January 31, 2010 at 10:38:25
"right now I only use standard cooling from AMD, is that ok if I run at 2.3 or 2.4?"

There's generally no need to upgrade the cooling unless you're overclocking to the extreme. I've been running my A64 3000+ at 2.5GHz for over 3 yrs using the stock AMD cooler.


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#10
February 1, 2010 at 03:24:00
maybe its time to buy a new computer that support latest game. thank you very much for your information :)

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#11
February 1, 2010 at 05:13:44
"maybe its time to buy a new computer that support latest game"

No, if anything it's time to upgrade your video card. The X800GT is pretty outdated & not capable of playing many of the latest games. Try adding a new video card rather than buying a whole new computer. This article should help to pick out a decent gaming card in your price range:

Best Graphics Cards For The Money: January 2010


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