I imagine it’s a bios limitation and it cannot address the full 4GB even though it’s a 64bit CPU. This was common with the Intel 925/945 chipsets even through they supported Intel 64bit CPUs of the time.
On Sat, Jan 7, 2023 at 6:08 PM lsg <loushanguan2...@sina.com> wrote: > Thank Greg Wooledge! > > i've tried bullseye for amd64, it doesn't help > > memtest86+ claims it can test all memory > > >
