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Cas Latency on AMD Systems...


Greenhorn

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Hi,

 

I replaced my old CORSAIR TWINX1024-3200C2 with CORSAIR TWINX2048-3200C2 PRO, cause I've read that the PRO Series run on AMD-Systems with an Cas Latency on 2.5, but it doesn't do it on my System.

If take a look on my system with 'siw', it displays an CL Mode on 3-3-3-8 by SPD.

Should I change the values manually in the BIOS ?

Currently the value is by SPD in the BIOS.

 

In case I change the values manually, which values are recommended ? :confused:

 

 

Greetz

Greenhorn

 

 

AMD Athlon 64 X2 4400+

ASUS A8N32-SLI Deluxe

CORSAIR TWINX2048-3200C2 PRO

 

p.s.: please excuse my bad english, but I pledge betterment... :roll:

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The SPD of 3200C2s are indeed set to 3-3-3-8.

 

Change the timings to:

 

CAS Latency (tCL): 2

RAS to CAS Delay (tRCD): 3

Row Precharge (tRP): 3

Active to Precharge Delay (tRAS): 6

 

Memory Voltage: 2.7-2.8 Volts (Warrantied up to, but not over, 2.90 volts)

All other settings to defaults.

 

Source: Corsair XMS Qualification and Testing Information

 

 

The CAS 2.5 was only for ATHLON XP systems.

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