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TWINX2048-3200C2 with ASUS A8N-SLI Premium


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Hello everyone,


I just got me the X2 3800+ and Twinx2048-3200C2....


As usually, since I didnt find any suitable comments, I ask here for some guidance. But first I wonder why something like this happens:


ALL SETTING IN BIOS ARE SET TO AUTO AND THE AI NOS is set to 100% and even Cool and quiet is activated!


BIOS Version 1009



CPU-Z version 1.35



CPUID Output


Number of CPUs 2

CPU #1

Name AMD Athlon 64 X2 3800+

Code name Manchester

Family/Model/Stepping FB1

Extended Family/Model F/2B

Brand ID 5

Package Socket 939

Core Stepping BH-E4

Clock Speed 2338.3 MHz

Clock multiplier x10.0

HTT Bus Frequency 233.8 MHz

P-Rating 3800+

L2 Speed 2338.3 MHz (Full)





Northbridge nVidia nForce4 rev. A3

Southbridge nVidia nForce4 MCP rev. A3

Graphic Interface PCI-Express

PCI-E Link Width x16

PCI-E Max Link Width x16

Memory Type DDR

Memory Size 2048 MBytes

Memory Frequency 194.9 MHz (CPU/12)

CAS# 3.0

RAS# to CAS# 3

RAS# Precharge 3

Cycle Time (tRAS) 7

Bank Cycle Time (tRC) 16

DRAM Idle Timer 16

Command Rate 2T


Memory SPD






Memory type DDR

Manufacturer (ID) Corsair (7F7F9E0000000000)

Size 1024 MBytes

Max bandwidth PC3200 (200 MHz)

Part number CMX1024-3200C2

Serial number FFFFFFFF



Number of banks 2

Data width 64 bits

Correction None

Registered no

Buffered no

EPP no


Timings table

Frequency (MHz) 200

CAS# 3.0

RAS# to CAS# delay 3

RAS# Precharge 3



I just wonder why I all the sudden have multi of 233,8 MHz, making the CPU hence 338 MHz faster then it should be. Not that I am complaining ;)


Also in the DRAM Timing I have just 333 MHz, when set on Auto. But after CPU-Z it runs on 200 (194,..) (OK multi and so on)


This makes me wonder, if I set anything even higher, the system would run fine. But to be true I have no clue were.....


Also the setting for the memory there are more then just 2-3-3-8... So?


Someone any idea where to start or just leave everything and be happy? :sunglasse


Thanx and Greetz

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  • Corsair Employees

I would suggest that you manually set the memory and CPU Frequency and timings so this does not happen.

AI Over Clock Tuner: Manual

CPU Freq: 200 Mhz

Memory Voltage: 2.75 Volts

Frequency (MHz) 200

CAS# 2.0

RAS# to CAS# delay 3

RAS# Precharge 3


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