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How to OC PD820 to 270 with FSB 1066?

post #1 of 3
Thread Starter 
My PC:
PD820, Abit/IL8, Kingtiger/DDRII667/512*2, FSB500w(power), Sarpphire/RadeonX1300, Maxtor10/sata/160G..etc
OS: WinXP+Sp2

IL8 is a nice mobo~
With default voltage and wind-cool, PD820 run stable during OCing from 200 to 255; and begin being unstable from up to 260; and occur system crash at 270...
Here's some snapshot about them:

CPU,


MoBo,


RAM,




Temperature. The results came from "EQ", a system
monitor software supplied by Abit Official.


Voltage. Also come form EQ.


Super PI


And, there are setup of items under "soft menu" in CMOS:
CPU Operating Speed: User Define
x - External Clock: 255

x - N/B Strap CPU As: FSB 1066
x - DRAM Ratio (CPURAM): 4:5(DDRII 667)
x - PCI Express Frequency: 100
x - Fixed PCI Clock: 33

Voltages Contal: Default
x - CPU Core Voltage
x - DRAM Voltage
x - PCIe Voltage

The item, "FSB 1066", seem to be the bottle-neck which results fail to 270 ?
To volidate the conclusion, I do some test:
1. Change DRAM ratio from 4:5 to 1:1, RAM working at 540, but system crash yet.
2. Add voltage on cpu, but nothing was improved.

So, is there any measure about restrain the FSB's stepping as well as CPU can stepping right along?
"1066" is the upper-limite option that I can choose from menu, and I don't kown whether there are other menu having something to do with FSB?

PLZ tell me what should I do. Any respons would be appreciate.

Best regards
Mebanna.
My System
(13 items)
 
  
CPUMotherboardOSMonitor
PD820 2.8 @3.6 ABIT IL8 WindowsXP+SP2 AOC193FW 
KeyboardPowerMouse
M$ Basic Keyboard FSP500 M$ wheel mouse Optical 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
PD820 2.8 @3.6 ABIT IL8 WindowsXP+SP2 AOC193FW 
KeyboardPowerMouse
M$ Basic Keyboard FSP500 M$ wheel mouse Optical 
  hide details  
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post #2 of 3
So how much if any is your RAM over its stock speed?

-GILL-
rebourn
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2320 3.0GHz ASRock Gigabyte GTX 460 768MB G.Skill Ripjaw 32GB 
Hard DriveOptical DriveOSMonitor
5 x 500GB Seagate SATA BenQ DVD Writer Windows 7 Pro 64Bit LG L204WT 20.1" WS 
KeyboardPowerCaseMouse
HP OCZ StealthXStreme 600W CM 690 Creative 
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rebourn
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2320 3.0GHz ASRock Gigabyte GTX 460 768MB G.Skill Ripjaw 32GB 
Hard DriveOptical DriveOSMonitor
5 x 500GB Seagate SATA BenQ DVD Writer Windows 7 Pro 64Bit LG L204WT 20.1" WS 
KeyboardPowerCaseMouse
HP OCZ StealthXStreme 600W CM 690 Creative 
  hide details  
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by gill
So how much if any is your RAM over its stock speed?

-GILL-
Thanks for responding~

Sorry for my poor comprehension of English
--Do you mean have I try to oc my memory on other PC ?
I havn't. Most of my friends chosed AMD platform.
And I think that the memory may not be the problem. I did a test:
1. Setting PSB at 800 & CPU-External-Clock at 230, DRAM Ratio as 1:1(It works as DDRII460), system crash occured;
2. Setting PSB at 1066 & CPU-External-Clock at 260, DRAM Ratio as 4:5(It works as DDRII650), system run stale.
My System
(13 items)
 
  
CPUMotherboardOSMonitor
PD820 2.8 @3.6 ABIT IL8 WindowsXP+SP2 AOC193FW 
KeyboardPowerMouse
M$ Basic Keyboard FSP500 M$ wheel mouse Optical 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSMonitor
PD820 2.8 @3.6 ABIT IL8 WindowsXP+SP2 AOC193FW 
KeyboardPowerMouse
M$ Basic Keyboard FSP500 M$ wheel mouse Optical 
  hide details  
Reply
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