Re: why 1G memory is missing?

To: loushanguan2015@sina.com
Cc: debian-user <debian-user@lists.debian.org>
Subject: Re: why 1G memory is missing?
From: Jeremy Hendricks <jwh1981@gmail.com>
Date: Mon, 2 Aug 2021 19:18:02 -0400
Message-id: <[🔎] CAGAaCPDreYkEv9Xj8HVU=O4tw_gzMTnQLgHofDx+BZwNgnCmRw@mail.gmail.com>
In-reply-to: <[🔎] 20210802231432.E69524640470@webmail.sinamail.sina.com.cn>
References: <[🔎] 20210802231432.E69524640470@webmail.sinamail.sina.com.cn>

It’s bios/chipset dependent. Example: the Intel 945 will not allow more than 3.25GB or so regardless if PAE is used. However, the Intel 965 chipset will provide the full 4GB if used with PAE enabled and the BIOS allows it by default or has a ‘remap’ option.

On Mon, Aug 2, 2021 at 7:15 PM <loushanguan2015@sina.com> wrote:

Jeremy Hendricks:
Are you booting an x86 or x86_64 install? Run: “uname -a” without quotes and post the results to us.

Linux debian 4.9.0-13-686-pae #1 SMP Debian 4.9.228-1 (2020-07-05) i686 GNU/Linux

Thanks, i thought pae can bypass 4G limit of 32-bit OS

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References:
- Re: why 1G memory is missing?
  - From: <loushanguan2015@sina.com>

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