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Q: Why does CPU-Z not report my memory SPD ? Does that mean that my memory module does not provide SPD information ?
A: Several reasons may cause CPU-Z not to report SPD information. The most common one is that CPU-Z was not able to get the SPD interface, because the chipset is unknown or unsupported by the program. That's why the same memory module can provide SPD information when installed in another motherboard, recognized by CPU-Z.
On a few memory modules, SPD information are not programmed at all. In this case, CPU-Z is not able to translate them, so nothing is reported.
Note for Asus mainboards users : latest Asus mainboards (K8V, A8V) include a performance mode mechanism, that allows to automatically optimize some settings in order to improve performances. When a performance mode is used, the BIOS may lock the access to SPD. In order to get SPD information, please set the performance mode to "Auto" within the BIOS.