Re: getting 10.1 amd64 onto a usb as mbr

[Martin Husemann <martin%duskware.de@localhost>]

On Sat, Aug 30, 2025 at 10:19:03AM +0900, Henry wrote:
> I'm wanting to install 10.1 amd64 onto an older machine that can't
> handle efi.  Is there a cookbook, step-by-step instruction page
> somewhere to put the image on a mbr format usb?  I only seem to be
> able to put the image (NetBSD-10.1-amd64-install.img.gz) on an efi
> format usb.

It should just work, even on machines w/o UEFI support (but I am really
suprised you still have one of those).

And side note: MBR vs. GPT is totally orthogonal to booting via UEFI or BIOS.

In case it just does not boot your USB stick with the image (which can
happen for broken firmware reasons, or security settings in the BIOS),
you can instead use the legacy "bios" image instead, as Steve pointed out.

Martin