For 3rd generation Intel core processors (Ivy Bridge) paired with Z77/Z75 Chipset.
Follow the steps below to test for whether the CPU is capable of overclocking memory module to 2400MHz:
1. Turn off main power supply and clear CMOS settings with jumper, or enter BIOS and “Load Optimal Default” (refer to motherboard manual).
2. Restart the computer and enter BIOS. With the CPU at stock speed, enable XMP Profile 1. Save settings and restart computer.
If unable to POST, screen is blank, BIOS Debug LED shows error code, or unable to complete booting process, please continue to step 3.
3. Enter BIOS and change the values of the following settings: CPU Voltage: 1.3V, VTT Voltage: 1.15V, VCCSA Voltage: 1.10V, DRAM Voltage: 1.75V. Save settings and restart computer.
If unable to POST, screen is blank, BIOS Debug LED shows error code, or unable to complete booting process, please continue to step 4.
4. Enter BIOS and “Load Optimal Default”. Enable XMP Profile 1, and then change DRAM frequency to 2133MHz.
If unable to POST or boot --> Possible defective memory module. Send memory kit back to G.SKILL for RMA.
If able to POST or boot --> Very likely CPU is not capable of overclocking memory module to 2400MHz.
Follow the steps below to test for whether the CPU is capable of overclocking memory module to 2400MHz:
1. Turn off main power supply and clear CMOS settings with jumper, or enter BIOS and “Load Optimal Default” (refer to motherboard manual).
2. Restart the computer and enter BIOS. With the CPU at stock speed, enable XMP Profile 1. Save settings and restart computer.
If unable to POST, screen is blank, BIOS Debug LED shows error code, or unable to complete booting process, please continue to step 3.
3. Enter BIOS and change the values of the following settings: CPU Voltage: 1.3V, VTT Voltage: 1.15V, VCCSA Voltage: 1.10V, DRAM Voltage: 1.75V. Save settings and restart computer.
If unable to POST, screen is blank, BIOS Debug LED shows error code, or unable to complete booting process, please continue to step 4.
4. Enter BIOS and “Load Optimal Default”. Enable XMP Profile 1, and then change DRAM frequency to 2133MHz.
If unable to POST or boot --> Possible defective memory module. Send memory kit back to G.SKILL for RMA.
If able to POST or boot --> Very likely CPU is not capable of overclocking memory module to 2400MHz.
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