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How I broke the 3.36GHz barrier

post #1 of 17
Thread Starter 
Hello again,

Some of you might recognize me from an earlier post entitled "p4 630 cannot go higher than fsb 224"
I have good news folks !
You can either visit the link above to read my story or you can read it here.

You see I had bought an Asus P5LD2-VM motherboard along with a Prescott 4 630 (3.0 GHz) and two Kingston 512 MB DDR2 (533) ram modules.
In my first attempt to overclock I was only able to reach an FSB of 224 (cpu speed of 3.36GHz).
I tried everything. You name it I tried it:
- Relaxed my memory settings to 5-5-5-15
- Upped the VDimm to 1.904 (max possible on this mobo)
- Upped the VCore to 1.525 (max advised for the Prescott)
- Upped the NB Voltage to 1.7
- Locked my PCI-E/PCI respectively to 100 MHz/33.3MHz
- Set my PCI-E/PCI both to Auto

Still... anything above FSB 224 and the system simply wouldn't post (boot) !

With the help of some good folks here (btw, I'd like to seriously thank everyone doing a great job on this forum) I was able to learn a few valuable things (and I'm still learning heaps every day) such as the fact that my power supply (a generic 350W with only 12A on the 12V rail) was in fact pathetic for overclocking and that it could possibly be limiting my overclocking to FSB 224. I was advised to get a good psu and so I ordered an Antec TruePower II 480W (waiting for it to get here soon !).

I also feared that my motherboard was in fact unable to sustain speeds higher than FSB 224 because it was a Mini-ATX. Add to that the fact that some other dude (on another forum) had posted saying his mobo (also an Asus P5LD2-VM) maxed out at FSB 222.

But... I didn't give up... and today I was able to take my system to a new level... the 3.6 GHz (FSB 240) ! It booted normally and Windows XP loaded just fine. Unfortunately I wasn't able to test it under load for longer than 5 minutes because I'm still running Intel's stock heatsink !
All I can tell you is that I ran two instances of Prime95 for 5 minutes and I had NO errors. I was forced to shutdown the system and reset the FSB to 200 because my load temps reached 66C.
Here's how I did it. I simply increased the PCI-Express bus speed to 105. That's it ! That's all it took for my system to break the 3.36 GHz barrier.

Conclusion: I'm getting some water cooling soon (suggestions for a good water cooling system are most welcome) and I'm taking this baby higher... as high as safely possible !
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
post #2 of 17
yoink, correct me if I'm wrong, but isn't 105 for PCIE like, dangerously high already?
Q6600
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3Ghz Asus P5Q Club3D HD 5770 1GB 4GB DDR2 
Hard DriveOptical DriveOSMonitor
Samsung: F1 640GB & F2 1000GB - Seagate: 320GB NEC ND3540A Win7 Pro LG L227WT 22" 
KeyboardPowerCaseMouse
Logitech G11 Corsair VX550W Antec plusview AMG 1035B2 Logitech MX1000 
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Reply
Q6600
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3Ghz Asus P5Q Club3D HD 5770 1GB 4GB DDR2 
Hard DriveOptical DriveOSMonitor
Samsung: F1 640GB & F2 1000GB - Seagate: 320GB NEC ND3540A Win7 Pro LG L227WT 22" 
KeyboardPowerCaseMouse
Logitech G11 Corsair VX550W Antec plusview AMG 1035B2 Logitech MX1000 
  hide details  
Reply
post #3 of 17
Thread Starter 
I thought so too. Until I read that a guy has it set at 115 for the last few months and he hasn't experienced any problems. His system is 100% stable.
So I hope I can even increase the PCI-E bus speed to something like 110.
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
post #4 of 17
ah mmm ok
Just wouldn't want you to fry your vid card
Q6600
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3Ghz Asus P5Q Club3D HD 5770 1GB 4GB DDR2 
Hard DriveOptical DriveOSMonitor
Samsung: F1 640GB & F2 1000GB - Seagate: 320GB NEC ND3540A Win7 Pro LG L227WT 22" 
KeyboardPowerCaseMouse
Logitech G11 Corsair VX550W Antec plusview AMG 1035B2 Logitech MX1000 
  hide details  
Reply
Q6600
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3Ghz Asus P5Q Club3D HD 5770 1GB 4GB DDR2 
Hard DriveOptical DriveOSMonitor
Samsung: F1 640GB & F2 1000GB - Seagate: 320GB NEC ND3540A Win7 Pro LG L227WT 22" 
KeyboardPowerCaseMouse
Logitech G11 Corsair VX550W Antec plusview AMG 1035B2 Logitech MX1000 
  hide details  
Reply
post #5 of 17
Thread Starter 
Thanks for the advice I'll keep that in mind.
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
post #6 of 17
Quote:
Originally Posted by z_one
I thought so too. Until I read that a guy has it set at 115 for the last few months and he hasn't experienced any problems. His system is 100% stable.
So I hope I can even increase the PCI-E bus speed to something like 110.
Might have been me, I'm at around 113 right now. It's still running like a champ. In fact it's been on continuously for the past 3-4 days. Folding away, folding like a monster.
Elite
(13 items)
 
  
CPUMotherboardGraphicsRAM
IBM PPC Triple core @ 3.2GHz Custom ATi Xenos 10MB 
Hard DriveOptical DriveOSMonitor
120GB DVD ROM XBox 360 Dashboard Dell 24" 2405FPW 
PowerCase
Big Honkin One Black 
  hide details  
Reply
Elite
(13 items)
 
  
CPUMotherboardGraphicsRAM
IBM PPC Triple core @ 3.2GHz Custom ATi Xenos 10MB 
Hard DriveOptical DriveOSMonitor
120GB DVD ROM XBox 360 Dashboard Dell 24" 2405FPW 
PowerCase
Big Honkin One Black 
  hide details  
Reply
post #7 of 17
Thread Starter 
Thanks Chim3ra ! I hope I'll be running like a champ too
I'll keep you posted but first I need a better cooling system before I resume my OC`ing attempts.
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
post #8 of 17
Once you do keep it going. You may even hit 260 which would put you pretty close to the EE Prescott's.
Elite
(13 items)
 
  
CPUMotherboardGraphicsRAM
IBM PPC Triple core @ 3.2GHz Custom ATi Xenos 10MB 
Hard DriveOptical DriveOSMonitor
120GB DVD ROM XBox 360 Dashboard Dell 24" 2405FPW 
PowerCase
Big Honkin One Black 
  hide details  
Reply
Elite
(13 items)
 
  
CPUMotherboardGraphicsRAM
IBM PPC Triple core @ 3.2GHz Custom ATi Xenos 10MB 
Hard DriveOptical DriveOSMonitor
120GB DVD ROM XBox 360 Dashboard Dell 24" 2405FPW 
PowerCase
Big Honkin One Black 
  hide details  
Reply
post #9 of 17
Thread Starter 
I'll drink to that ! Now I can't wait to get my hands on that Antec TPII 480W I ordered and one last thing... what would you suggest for cooling ?
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
  hide details  
Reply
post #10 of 17
I use a XP-120 and I'm at 247MHz. Load temps never over 55c, I could push it more but I'm happy with where I'm at.
Elite
(13 items)
 
  
CPUMotherboardGraphicsRAM
IBM PPC Triple core @ 3.2GHz Custom ATi Xenos 10MB 
Hard DriveOptical DriveOSMonitor
120GB DVD ROM XBox 360 Dashboard Dell 24" 2405FPW 
PowerCase
Big Honkin One Black 
  hide details  
Reply
Elite
(13 items)
 
  
CPUMotherboardGraphicsRAM
IBM PPC Triple core @ 3.2GHz Custom ATi Xenos 10MB 
Hard DriveOptical DriveOSMonitor
120GB DVD ROM XBox 360 Dashboard Dell 24" 2405FPW 
PowerCase
Big Honkin One Black 
  hide details  
Reply
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