Re: why 1G memory is missing?

To: debian-user <debian-user@lists.debian.org>
Subject: Re: why 1G memory is missing?
From: IL Ka <kazakevichilya@gmail.com>
Date: Tue, 3 Aug 2021 01:42:48 +0300
Message-id: <[🔎] CAHv=rM1_5ziL_nu=13CaGOLzm7+8SyCidk4G5CBDUg+=HOtaKw@mail.gmail.com>
In-reply-to: <[🔎] 20210802221136.A31002D000A1@webmail.sinamail.sina.com.cn>
References: <[🔎] 20210802221136.A31002D000A1@webmail.sinamail.sina.com.cn>

i have 2 memory slots
memtest86+ shows each has 2G, but total is 3G
after booting linux, top shows total is 3G

why 1 G is missing? Thanks!

You probably have 32bit OS

https://en.wikipedia.org/wiki/3_GB_barrier

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