Mark Allums wrote: > Bob Proulx wrote: >> James Brown wrote: >>> Bob Proulx wrote: >>>> Hmm... I recommend installing memtest86+ and then seeing how much >>>> memory it detects at boot time. >>>> >>>> apt-get install memtest86+ >>>> >>>> This should automatically install a grub boot entry and be very easy >>>> to boot into afterward. I am thinking it might only detect 3G too. >>>> In any case this would be a good independent test. >>> I have installed this packege but I can find neither a man-page of it >>> nor the help information. How can I use it (I think that it works when >>> system booting) and when (and how) can I see the results of this test? >> >> It is a boot time image. Reboot and observe the grub boot menu. Use >> the cursor keys to move down to the memtest image. Boot that image. >> >> Memtest86 will run forever until you stop it from running. It is an >> infinitely running test program. It is very useful for testing >> memory. But here I was interested in how much memory it reported and >> so you could stop it almost immediately after noting that information. >> >> Upstream package documentation mostly documenting building it is >> available in /usr/share/doc/memtest86+/README*. >> >> Bob >> >> > > I'm posting the obvious, but: Are you sure you have installed the > amd64 distro? > > If so, then it may take some kernel boot parameters to see all of the > memory, or you may need to check your BIOS settings. > > Mark Allums > > What are the kernel boot parameters? P.S. I cannot change my BIOS memory settings, I tried do it earlier but it was impossible.
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