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RAM Timings overclock help needed

post #1 of 3
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I recently rebuilt my computer. I have a motherboard and memory that support 1066mhz. However, I have an Athlon 64 X2 5000+ that natively only runs DDR2 800. So, I have been told I can overclock the memory up to 1066, but I'm not 100% sure how. I have read and read and for some reason just can't wrap my brain around it.

My question revolves around something I see in CPU-Z. I have attached a screenshot of what I mean. The "Timings Table" section points out to timings and their associated Frequencies. One of the Frequencies is 533 (which is what I'm trying to accomplish). If I set the timings in the BIOS to the timings that CPU-Z is showing me for 533mhz and set the appropriate voltage that is shown, will that OC my memory to 1066?
My PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon 64 X2 5000+ Brisbane Black Edition Gigabyte GA-MA770-S3 ASUS EN8400GS SILENT/HTP/256M GeForce 8400 GS OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DD 
Hard DriveOptical DriveOSMonitor
Western Digital Caviar SE16 WD4000AAKS 400GB 7200 BenQ DVD/RW +/- DL 16x Windows Vista Business x64 19" LCD 
PowerCase
Antec SMARTPOWER 2.0 500 Watt Antec Solo Black/Silver Steel ATX Mid Tower 
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My PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon 64 X2 5000+ Brisbane Black Edition Gigabyte GA-MA770-S3 ASUS EN8400GS SILENT/HTP/256M GeForce 8400 GS OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DD 
Hard DriveOptical DriveOSMonitor
Western Digital Caviar SE16 WD4000AAKS 400GB 7200 BenQ DVD/RW +/- DL 16x Windows Vista Business x64 19" LCD 
PowerCase
Antec SMARTPOWER 2.0 500 Watt Antec Solo Black/Silver Steel ATX Mid Tower 
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post #2 of 3
Quote:
Originally Posted by jbhardman View Post
I recently rebuilt my computer. I have a motherboard and memory that support 1066mhz. However, I have an Athlon 64 X2 5000+ that natively only runs DDR2 800. So, I have been told I can overclock the memory up to 1066, but I'm not 100% sure how. I have read and read and for some reason just can't wrap my brain around it.

My question revolves around something I see in CPU-Z. I have attached a screenshot of what I mean. The "Timings Table" section points out to timings and their associated Frequencies. One of the Frequencies is 533 (which is what I'm trying to accomplish). If I set the timings in the BIOS to the timings that CPU-Z is showing me for 533mhz and set the appropriate voltage that is shown, will that OC my memory to 1066?
No. You have to either raise the FSB ot change the memory/CPU ratio. You're just changing the memory latencies (how data is handled inside the memory), not the actual memory speed.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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post #3 of 3
In order to reach 1066 you will most likely have to overclock your cpu as well. If you dont want to overclock your cpu, then you will have to lower the multiplier for the cpu as you raise the reference clock. If you do however, plan to overclock your cpu, then you have to watch out for both your cpu AND your ram, and make sure that while overclocking you know which one will eventually hit the brick wall first, and what to do at that point.

IE

Your cpu runs at 2.6ghz, and is most likely able to hit around 3.2 ish

Your ram runs at 800mhz, and has EPP to run at 1066 (but doesnt necessarily mean it will actually get there, as was the case with my previous ram).

In my case, setting my ref clock to 267mhz and my multi to 12 gave me 3204mhz. With my ram divider set to 667 I achieved a ddr speed of 400.5mhz (no overclock here). Upon setting it to 800mhz, my ram went up to 1066mhz.

Theoretically if you put your timings and voltage to that specified in CPU-Z, and set your ref clock to 267 and your multi to 12 you SHOULD be set to 1066mhz. Before you do so though, make sure that your cpu can handle 3.2 by isolating it, and make sure your ram can handle 1066 by isolating it also.

Some boards are finicky about the HTT Link, so watch out for that one. My board has handled over 1.4ghz on HT but some have issues with more than 1100.

Check out some of the guides on this forum for help with isolating your components.
Apollo
(13 items)
 
  
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Core i7 920 D0 Asus P6T Sapphire 4870X2 3x2GB OCZ Gold DDR3-1600 
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2 x 500gb RAID 0, 2 x 1TB Caviar Black Samsung 22x Sata DVD+-R/DL Vista x64 Acer x223w 
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Apollo
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 D0 Asus P6T Sapphire 4870X2 3x2GB OCZ Gold DDR3-1600 
Hard DriveOptical DriveOSMonitor
2 x 500gb RAID 0, 2 x 1TB Caviar Black Samsung 22x Sata DVD+-R/DL Vista x64 Acer x223w 
KeyboardPowerCaseMouse
Logitech G15 gen2 Cooler Master 850w 6 Rail Antec Twelve Hundred OCZ Equilizer 
Mouse Pad
Fellowes Ergonomic Wrist Support 
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