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Overclocking with mismatched rams

post #1 of 7
Thread Starter 
Please see my signature for my system specs. Kindly tell me if i will be able to overclock my venice 3800+ with stock fan and mismatched ram i.e. i have the following rams.

1. 2X256 ddr 333
2. 512 ddr 400

If i will be able to overclock than a walkthrough of how to do it shall be much appreciated.

Thanx

P.S: Also can somebody tell me what is the performance hit i am getting by using mismatched rams.
My System
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CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
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post #2 of 7
Thread Starter 
bump
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
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post #3 of 7
Overclock like any normal type of RAM. You may just want to invest in another stick of DDR 400 RAM and sell the old stuff. You are forcing your current DIMM to run just at 333MHz. You are taking about a 15% memory bandwidth hit using it. Timings matter and real world performance varies so can't provide system performance hit.
Once again...
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Once again...
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i7 920 [4.28GHz, HT] Asus P6T + Broadcom NetXtreme II VisionTek HD5850 [900/1200] + Galaxy GT240 2x4GB G.Skill Ripjaw X [1632 MHz] 
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Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
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post #4 of 7
ok first, you should probably wait a day before self-bumping. HOWEVER -- overclocking usually doesnt work very well with mismatched RAM (especially the nice shiny assortment you have going on)

But it can be done, just run the RAM on a heavy divider (DDR266 or DDR133 should do the trick) and with that venice core 2.5gHz is possible on air, but dont expect miracles. Good luck (and that mobo is wquite good, so that wont be holding you back) venice likes volts over 2.4 so its up to you whether you go past that.
    
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post #5 of 7
Only allowed to bump very 24 hours. You waited less than an hour lol, give us a chance

With running ddr333 and ddr400 in the same system the 400 will lower itself to run at the same speed as the 333. So both your ram sticks are running at ddr333 speeds. You can try to overclock it to 400mhz, in the bios, but i wouldn't suggest it as 333 ram is usually old stuff. Try taking out the 333 and just running the 400
Kopisaurus
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Kopisaurus
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by DontPassTheFence View Post
ok first, you should probably wait a day before self-bumping. HOWEVER -- overclocking usually doesnt work very well with mismatched RAM (especially the nice shiny assortment you have going on)

But it can be done, just run the RAM on a heavy divider (DDR266 or DDR133 should do the trick) and with that venice core 2.5gHz is possible on air, but dont expect miracles. Good luck (and that mobo is wquite good, so that wont be holding you back) venice likes volts over 2.4 so its up to you whether you go past that.
flew over my head....can you tell me a step by step process....sorry but don't know much about overclocking...
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
  hide details  
Reply
post #7 of 7
Thread Starter 
Quote:
Originally Posted by Kopi View Post
Only allowed to bump very 24 hours. You waited less than an hour lol, give us a chance

With running ddr333 and ddr400 in the same system the 400 will lower itself to run at the same speed as the 333. So both your ram sticks are running at ddr333 speeds. You can try to overclock it to 400mhz, in the bios, but i wouldn't suggest it as 333 ram is usually old stuff. Try taking out the 333 and just running the 400
The problem is that i cannot sell my ram.....I will have to take a 40 dollar loss if i sell it because i don't have access to ebay in country i live in.....So i was just wondering that what can i do to overclocky my cpu with the existing system i have....

P.S: Sorry for the bump
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
VENICE 3800+ MSI K8n NEO2 Platinum x850pro 512 400ddr; 2x256 333ddr 
Hard DriveOptical DriveOSMonitor
250gb wd; 80gb samsung Sony DVD Writer; liteon DVD Rom xp media center edition 2005 19" Viewsonic 
KeyboardPowerMouse
A4Tech Office Channel 400W A4TEch Optical 
  hide details  
Reply
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