[ale] Why doesn't any OS see my memory?

[mdhirsch at gmail.com (Michael Hirsch)]

Sorry to interrupt everyone's trolling for Aaron, but I have an actual
technical question.

We have a bunch of newish Dell workstations with 4 gig of RAM. The BIOS sees
it all. But when we boot to Linux or Windows only about 3.5 Gig is there. I
mean that the various tools to display the RAM should only 3.5 Gig.
Actually, Windows and Linux show slightly different amounts, but both are
significantly below 4 gig.

Is this normal? Has anyone else seen this?

Thanks,

Michael
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