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#1 2025-02-06 03:55:06

youxiaojie
Member
Registered: 2023-11-30
Posts: 14

does i686 boot disk can install i486 platform system?

I hope to deploy i486 linux in modern computer, can I boot my ryzen cpu computer with i686 boot disk, then install archlinux32, then move harddisk to real 486 machine? which file I should change? thanx.

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#2 2025-02-06 07:22:22

abaumann
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From: Zurich
Registered: 2019-11-14
Posts: 1,073
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Re: does i686 boot disk can install i486 platform system?

This is totally possible. You put the harddisk in your new computer, boot from the i686 CDROM, then you copy /etc/pacman.conf to say
/tmp/mypacman.conf. In there you set the Architecture to i486. Then you install with 'pacstrap -C /tmp/mypacman.conf' to the hard disk.
It should bootstrap a i486 version of Arch32. Then you move the hard disk to the old machine.

There are some caveats though:
- last time I checked grub2 had some issues booting on i486 (it basically depends a little bit on the age of the old machine and it's CPU).
  As an alternative you can use syslinux (see Archlinux forums, how to configure that one)
- many many many packages are broken, so a pacstrap base could fail. In this case you can maybe ommit some not absolutely
  necessary packages from base. I didn't install a i486 system for 2 to 3 years now, so hard to predict.

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#3 2025-02-06 08:46:20

youxiaojie
Member
Registered: 2023-11-30
Posts: 14

Re: does i686 boot disk can install i486 platform system?

thanks! you have did it years before? if so ,at that time, grub2 is fail and even pacstrapped base may be failure? syslinux and lilo is ok?  I need only base and maybe compile kernel for mini memory. if not I will try gentoo next.

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