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OC doesn't work P5E Deluxe E8400 G.Skill 1066mhz

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July 27, 2009 6:38:58 PM

I cannot seem to be able to do the slightest bit of overclocking on my new motherboard :(  . On my old and cheaper motherboard i let the CPU run around 3.6ghz, so i know its not a cpu problem. I am using ASUS P5E Deluxe, Core 2 Duo E8400, G.Skill DDR2 1066mhz, ATI Radeon HD 3650 (not that it matters). When I oc the FSB to just 340mhz or above, Windows 7 will not boot. If I oc 350 and above, the computer will not even start. I used 400mhz on the old board to get 3.6ghz. I heard P5E Deluxe us a good OC board. I know this is not a Win 7 problem since the computer will not even boot. Any reason why it is doing this? I have a feeling this is a RAM problem so i attached info at the bottom.Thanks for all the help!
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Owner: Microsoft
Organisation: Microsoft
User: Hayden Pernia
Operating System: Windows 7 Ultimate Professional 6.01.7100
Report Date: Monday 27 July 2009 at 14:32

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<<< System Summary >>>

> Mainboard : Asus P5E Deluxe

> Chipset : Intel X48

> Processor : Intel Core 2 Duo E8400 @ 3000 MHz

> Physical Memory : 4096 MB (2 x 2048 DDR2-SDRAM )

> Video Card : ATI Radeon HD 3600 Series

> Operating System : Windows 7 Ultimate Professional 6.01.7100

> DirectX : Version 10.00

> Physical Memory : 4096 MB DDR2-SDRAM

>> General Information
DIMM0 (RAS 0, RAS 1) : 2048 (Double Bank)
DIMM1 : Empty
DIMM2 (RAS 4, RAS 5) : 2048 (Double Bank)
DIMM3 : Empty

>> Information SPD EEPROM (DIMM0)
Manufacturer : G Skill
Part Number : F2-8500CL5-2GBPI-B
Serial Number : Unspecified
Type : DDR2-SDRAM PC2-6400 (399 MHz) - [DDR2-800]
Format : Regular UDIMM (133.35 x 3)
Size : 2048 MB (2 ranks, 8 banks)
Module Buffered : No
Module Registered : No
Module SLi Ready (EPP) : Yes
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Reduced (.5x)7.8 ┬Ás, Self Refresh
Voltage : SSTL 1.8v
Prefetch Buffer : 4-bit
Manufacture : 2000
Supported Frequencies : 266 MHz, 400 MHz
CAS Latency (tCL) : 4 clocks @266 MHz, 5 clocks @400 MHz
RAS to CAS (tRCD) : 4 clocks @266 MHz, 5 clocks @400 MHz
RAS Precharge (tRP) : 4 clocks @266 MHz, 5 clocks @400 MHz
Cycle Time (tRAS) : 10 clocks @266 MHz, 15 clocks @400 MHz
Min TRC : 16 clocks @266 MHz, 24 clocks @400 MHz

EPP Profile #1 : Full Performance
Voltage Level : 2.1V
Address Command Rate : 2T
Cycle Time : 1.875ns @533.33 MHz
CAS Latency (tCL) : 5 clocks
RAS to CAS (tRCD) : 5 clocks
RAS Precharge (tRP) : 5 clocks
Cycle Time (tRAS) : 15 clocks
tRC : 48 clocks
tWR : 13 clocks
a b K Overclocking
July 27, 2009 6:54:22 PM

^ is your ram set to "unlinked" in the bios?
July 27, 2009 7:07:17 PM

overshocked said:
^ is your ram set to "unlinked" in the bios?

The only option similar to that in the bios that i see is FSB strap to north bridge, which is set to auto. Is i adjust the FSB, the RAM frequency automatically changes. I set the RAM down one step and raised the FSB to somewhere around 355mhz so that the ram was automatically adjusted to 1065mhz. The computer booted, and i will try getting the FSB higher, but why does the RAM freq adjust itself?
Related resources
a b K Overclocking
July 27, 2009 7:09:52 PM

The ram freq adjusts itself because somewhere there will be a setting that has a whole bunch of ratio's and will usually be set to "auto"

you need to set it to "unlinked".

that way it will unlink the memory from the cpu
July 28, 2009 12:36:41 PM

I've looked over the entire BIOS for the FSB and DRAM unlink option, but i could not find it. Are there any ASUS motherboard users who could tell me where it is?
!