June 21, 20223 yr Hello everyone, I recently discovered that on my system only half of my installed RAM is actually used by my system. My system is old, i know, but my system does the job and we all have our priorities. ;) I have 32 Gigs of Kingston HyperX DDR3 1600 RAM installed, which is supported according to the manual. The thing is: - BIOS, on startup and in menu, shows only 16GB installed instead of 32 GB. - BIOS "SPD menu" correctly shows all 4 x 8GB installed with correct CL10 timings also being shown. Same goes for "DRAM timing control" - Windows 10 task manager shows 32 Gigs of RAM installed, but 16,1 Gigs "reserved for hardware", what? - HWinfo64 also shows 32 GB installed and detected. For troubleshooting I restored my overclock to stock settings. (AMD 8350 @ 5,0 Ghz) I tried reseating all 4 DIMMs so far and can boot from every single one of them, as long as they are in the first two slots of my mothermoard. windows memory test (from the boot manager) also shows no issues. If I only insert 2 DIMMs in slots 3 and 4, the system wont boot. I tried cleaning them with a vacuum cleaner with no change. So i can rule out faulty RAM at this point, it has to be some setting in BIOS or Windows. Any ideas?
June 21, 20223 yr I don`t know about AMD but have always used ASUS boards and on a four dim slot board 2 and 4 are paired 1 and 3 are paired dual channel, and the ram must be dual channel so with two sticks you would use 2 and 4 slots. Raymond Fry.
June 22, 20223 yr Try resetting BIOS to optimal settings. Also see if there is a newer BIOS for your motherboard and install that. 9800X3D | 4090 | 64GB | 2+1TB NVME | 2TB SSD | 2TB HDD | 85/50/43” TVs | Quest 3 | DOF H3 Motion Rig | Buttkicker | T.16000M Flight Kit MSFS @ 4K Ultra DLSS Performance FG 80 FPS | VR VDXR Godlike 80Hz SSW | MSFS VR DLSS Quality, Ultra Preset - Windows 11 Acer Nitro 5 | i5-11400H | RTX 3060 6 GB | 32GB DDR4 | 15.6" FHD IPS 144Hz | 2 x 512 GB SSD | Windows 11
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