On Tue, Jul 14, 2026 at 08:18:38PM +0200, Pantelis Papadopoulos wrote: > Greetings. > I need your help with the following situation: > > I want to install Debian 13 on an external SSD USB 3.0 and I want to boot > from that drive which is connected to an external USB 3.0 adapter that is not > recognized by the BIOS: the motherboard ASUS P5K (LGA775 Socket), which is > old, supports fine USB 2.0 boot. > And because it seems that there is no a solution to that problem (booting > directly from external USB 3.0 adapter), I want to know if I could boot from > USB 2.0 with GRUB or a GNU/Linux distribution (Debian 13) installed on it as > an intermediary step and then select a USB 3.0 disk which would be connected > to USB 3.0 external card to boot from it. >
The question is whether your Linux kernel has drivers for said USB3 adapter. Then yes, you could have Grub, the kernel, initramfs (basically what usually lives in /boot) on your USB2 drive and put the rest (your root fs, possibly your other fses) on your USB3 drive. You can test this question by putting some minimal Linux on your USB2 drive (even a Debian installer could do, you get a shell by switching virtual consoles) and checking whether you can "see" your USB3 drive from there. Feel free to ask for more detailed instructions if you think this is what you want to try. > So, I searched for info and also I asked Proton Lumo (AI). [...] Sorry. I haven't the time (much less the motivation) to grovel through LLM generated slop. Cheers -- t
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