On Wed, Dec 16, 2020 at 3:29 PM Mark Knecht <[email protected]> wrote: > > > > On Wed, Dec 16, 2020 at 3:22 PM <[email protected]> wrote: >> >> I run Memtest86 on my old box and it completed 1pass without any errors. >> Memtest86 reports 16G memory >> >> When I boot Gentoo it shows only 3282Mb >> free -m >> total used free shared buff/cache >> available >> Mem: 3282 125 2475 7 680 >> 3033 >> >> Is it a motherboard? How to test it? >> > > Start with > > cat /proc/meminfo
> Or lshw and look for the DIMM modules themselves
