![]() ![]() ![]() Furthermore we'll have a major update from AMD coming sometime in May which should further improve the chance to hit high DRAM frequency.įan Control (fixed in 1001/0038 and newer)Ġ902 breaks fan control for AiSuite/DIP5. Check the memory list below for tips on how to get there. * With later updates being able to adjust ProcODT it's possible to tune a broader range of IC's and densities using 29 MHz DRAM Ratios. Using other configurations you have to rely on REFCLK to increase your DRAM frequency from that point. Higher than 2666 DRAM Ratios only work using 2x8GB Samsung B-based DRAM. HWInfo is safe since a few months, latest beta of AIDA should also be OK. If you have problems with fan speeds and/or very off temperature readings (-79*C and the like), make sure it's not caused by any third-party monitoring software on your system. New BIOSes should be OK with defaults SenseMi Skew setting of 272. Most reliable sensor is the CPU sensor reading from SIO (listed under Crosshair VI Hero in HWInfo64). Tctl readings can be off on 0902, to fix set Sense Mi Skew = Enabled and Sense MI offset = 272. Temperature readings (fixed in 1001 and later) It's not dangerous and as stated, AMD spec. If more cores are loaded, the frequency and voltage will drop. If up to two cores are loaded, the CPU will boost to a higher frequency with higher voltage (on 1800X up to 4.1 GHz 1.55V). This is the default AMD behavior when CPB is Enabled. The most accurate CPU Voltage reading will be from SVI2 TFN which is reporting the voltage the VRM controller is seeing.Īdditionally some will freak out because of seeing CPU Voltage up to 1.55V in BIOS and OS at default settings. SIO readings are what you're seeing in BIOS and AiSuite, or under "CROSSHAIR VI HERO (ITE8665E)" in HWInfo. If you measure the voltage with a DMM it's will be very close to 1.400V. It's a readout error, not an actual error. This means you might see for example DRAM Voltage reading 1.375V instead of the 1.400V set. The readings from the Super I/O chip have an error of +/- 22mV. Shouldn't be an issue any more as it only affected the first batch of AM4 updated kits being sent out. Using the EK Predator or Supremacy rubber gasket causes the board not to turn on or become unstable. By now this issue should be considered solved as all boards leaving the factory since March are delivered with a safe BIOS. Before updating, restore CMOS default settings and make sure CPU SOC Voltage is below 1.0V (recommended value 0.95V), or use USB BIOS Flashback. Using this BIOS do not go above 1.20V on the CPU SOC Voltage. Random BIOS updating message killing boards (fixed in BIOS 0902/1001/0038 and newer) ![]()
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