Originally Posted by
CryptiK
I have noticed I can have my system totally stable, then upon reboot it would be unstable, most pronounced in memory intensive stress tests, although I had not changed any settings.
I noted all memory settings in the BIOS, then saved and exited BIOS, then re-entered after machine rebooted and rechecked all values.
To my surprise, the RTL values were now different! Amazed, I rebooted again 5 times, and each time, the RTL Values changed by themselves!
*Just as note, I have my ram set at DDR3-1600 MHz / 7-7-7-20 1T
When set to 'NORMAL' the RTL's changed as follows (RTL1/RTL2/RTL3):
Boot 1) 59/61/62
Boot 2) 59/62/63
Boot 3) 59/61/62
Boot 4) 59/62/62
Boot 5) 59/62/63
When set to 'AUTO' the RTL's changed as follows (RTL1/RTL2/RTL3):
Boot 1) 59/61/62
Boot 2) 60/62/62
Boot 3) 59/61/62
Boot 4) 59/62/64
Boot 5) 59/62/63
The Rampage II Extreme does not allow you to set a fixed value for RTL's. Instead they can be set to 'AUTO', 'NORMAL' or a delay or advance value. This obviously means that the BIOS 'chooses' the base value for either "NORMAL' or 'AUTO', and again chooses the base value which it then delays or advances when you choose to. It seems that this value changes on reboot randomly without any other settings or the ram speed being changed.
This is a major BIOS issue, as I am unable to get the RTL values to stay the same between multiple reboots. I have tried both BIOS 1406 and 1504 and both exhibit this behaviour.
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