Jump to content
Corsair Community

Asus Striker Extreme and CM2x2048-8500C5D


Recommended Posts

I've installed 4 of these 2 gig modules and the system runs well but...


CPU-Z sees them at 533 mhz... and the CPU-Z spd tab sees them as PC2-6400 (400 MHZ)????


Is this cuz I installed 4 sticks instead of 2?



I'm running Vista 64-bit .


I've tried several of the tips in this forum for other users with similar boards but the outcome is still the same.


Can anyone hint me a list of the best settings for this mobo with this mem and in my case with the 4 sticks.

Maybe a way to get this to 1:1? if that would be an improvement, I'm kinda new at this OC and MEM timing thing.


Thanks in advanced!



Here is a Copy Paste of the CPU-Z







Number of processors 1

Number of cores 4 per processor

Number of threads 4 per processor

Name Intel Core 2 Quad Q6600

Code Name Kentsfield

Specification Intel® Core2 Quad CPU @ 2.40GHz

Package Socket 775 LGA

Family/Model/Stepping 6.F.7

Extended Family/Model 6.F

Core Stepping B3

Technology 65 nm

Core Speed 2405.2 MHz

Multiplier x Bus speed 9.0 x 267.2 MHz

Rated Bus speed 1069.0 MHz

Stock frequency 2400 MHz

Instruction sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T

L1 Data cache (per processor) 4 x 32 KBytes, 8-way set associative, 64-byte line size

L1 Instruction cache (per processor) 4 x 32 KBytes, 8-way set associative, 64-byte line size

L2 cache (per processor) 2 x 4096 KBytes, 16-way set associative, 64-byte line size


Chipset & Memory


Northbridge NVIDIA nForce 680i SLI SPP rev. A2

Southbridge NVIDIA nForce 680i SLI MCP rev. A2

Graphic Interface PCI-Express

PCI-E Link Width x16

PCI-E Max Link Width x16

Memory Type DDR2

Memory Size 8192 MBytes

Memory Frequency 534.5 MHz (1:2)

CAS# Latency (tCL) 5.0 clocks

RAS# to CAS# (tRCD) 7 clocks

RAS# Precharge (tRP) 7 clocks

Cycle Time (tRAS) 24 clocks

Bank Cycle Time (tRC) 31 clocks

Command Rate (CR) 2T




System Manufacturer System manufacturer

System Name System Product Name

System S/N System Serial Number

Mainboard Vendor ASUSTeK Computer INC.

Mainboard Model StrikerExtreme

BIOS Vendor Phoenix Technologies, LTD

BIOS Version ASUS StrikerExtreme ACPI BIOS Revision 1603

BIOS Date 08/01/2008


Memory SPD


Module 1 DDR2, PC2-6400 (400 MHz), 2048 MBytes, Corsair

Module 2 DDR2, PC2-6400 (400 MHz), 2048 MBytes, Corsair

Module 3 DDR2, PC2-6400 (400 MHz), 2048 MBytes, Corsair

Module 4 DDR2, PC2-6400 (400 MHz), 2048 MBytes, Corsair




Windows Version Microsoft Windows Vista (6.0) Ultimate Edition Service Pack 1 (Build 6001)

DirectX Version 10.0

Link to comment
Share on other sites

  • Corsair Employees

Your information is correct. The SPD on this memory is programmed at PC6400 so the memory can boot reliably with JEDEC settings at the initial boot or after a CMOS clear.


Also, DDR memory frequency is 1/2 it's data rate, hence the name dual data rate. So, DDR1066 memory operates at 533mhz actual frequency.

Link to comment
Share on other sites

  • Corsair Employees

If you run a 1:1 ratio keep in mind that I don't think any Q6600 is going to reach a 533mhz FSB. So, assume you can reach a 400FSB which is more reasonable, then you are slowing your memory to DDR800.


Using a 3:4 divider makes more sense as you can run both the CPU and memory at more ideal speeds. Also, on a 680i you have the option of running UNLINKED which means you can run the CPU and memory independently of each other.


You'll need to try both options and see what works best for you.

Link to comment
Share on other sites



Kinda greek to me...:D:


I know where to change the unlink and set it to 3:4.... ( note... no 3:4 setting in bios)



What values could I use for unlinked.... FSB... MEM.....


Thanks for all the help Im trying to catch up to this timing thing

Link to comment
Share on other sites

These are the settings I would try:


AI Tuning: Manual
Nvidia GPU Ex: Disabled
LinkBoost: Disabled

FSB - Memory Clock Mode: Unlinked
[color="Silver"]x FSB - Memory Ratio: N/A[/color]
FSB (QDR), Mhz = 1066
[color="Silver"]Actual FSB (QDR), Mhz = 1066[/color]
MEM (DDR), Mhz = 1066
[color="Silver"]Actual MEM (DDR), Mhz = 1066[/color]
Vcore Voltage = Auto
Memory Voltage = 2.1v
1.2v HT Voltage = Auto
NB Core Voltage = 1.40v
SB Core Voltage = Auto
CPU VTT Voltage = Auto
DDRII Controller Ref Voltage = Auto
DDRII Channel A Ref Voltage = Auto
DDRII Channel B Ref Voltage = Auto

tCL (CAS Latency) = 5
tRCD = 5
tRP = 5
tRAS = 15
Command Per Clock (CMD) = 2T

Advanced Memory Settings

tRRD = Auto
tRC = Auto
tWR = Auto
tWTR = Auto
tREF = Auto
tRD: Auto
tRFC = 55
Async Latency = Auto

CPU Spread Spectrum = Disabled
PCIE Spread Spectrum = Disabled
MCP PCIE Spread Spectrum = Disabled
SATA Spread Spectrum = Disabled
LDT Spread Spectrum = Disabled

CPU Internal Thermal Control: Enabled
Limit CPUID MaxVal: Disabled
Enhanced C1 (C1E): Enabled
Execute Disable Bit: Enabled
Virtualization Technology: Disabled
Enhanced Intel Speedstep Tech: Enabled
LDT Frequency: 5x

PCIEX16_1 Frequency (Mhz): 101
PCIEX16_2 Frequency (Mhz): 101
PCIEX16_3 Frequency (Mhz): 101
SPP<->MCP Ref Clock, Mhz: 201[/Code]

Link to comment
Share on other sites


This topic is now archived and is closed to further replies.

  • Create New...