1.2.6Onboard switches
Onboard switches and buttons allow you to
1.MemOK! button
Installing DIMMs that are not compatible with the motherboard may cause system boot failure, and the DRAM_LED near the MemOK! switch lights continuously. Press and hold the MemOK! button until the DRAM_LED starts blinking to begin automatic memory compatibility tuning for successful boot.
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| • |
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| Refer to section 1.2.7 Onboard LEDs for the exact location of the DRAM_LED. |
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| • |
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| The DRAM_LED also lights up when the DIMM is not properly installed. Turn off the |
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| system and reinstall the DIMM before using the MemOK! function. |
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| The MemOK! switch does not function under Windows™ OS environment. |
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| During the tuning process, the system loads and tests failsafe memory settings. It |
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| takes about 30 seconds for the system to test one set of failsafe settings. If the test |
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| fails, the system reboots and test the next set of failsafe settings. The blinking speed |
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| of the DRAM_LED increases, indicating different test processes. |
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| Due to memory tuning requirement, the system automatically reboots when each |
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| timing set is tested. If the installed DIMMs still fail to boot after the whole tuning |
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| process, the DRAM_LED lights continuously. Replace the DIMMs with ones |
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| recommended in the Memory QVL (Qualified Vendors Lists) in this user manual or on |
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| the ASUS website at www.asus.com. |
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| If you turn off the computer and replace DIMMs during the tuning process, the system |
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| continues memory tuning after turning on the computer. To stop memory tuning, turn |
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| off the computer and unplug the power cord for about |
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| If your system fails to boot up due to BIOS overclocking, press the MemOK! switch |
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| to boot and load the BIOS default settings. A message will appear during POST |
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| reminding you that the BIOS has been restored to its default settings. | 1 | ||||||||||||||
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| We recommend that you download and update to the latest BIOS version from the | |||||||||||||||||||
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| ASUS website at www.asus.com after using the MemOK! function. | |||||||||||||||
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