I figured it out. I used a utility that comes with Plop that allows you
to customize plop so you don't have to go through menus each time you
want to use it. I used that to chose the options I want and replace the
copy of plpbt.bin that's in /boot.
On 4/10/19 2:52 PM, Todd Cole wrote:
> there may be a way I can check tonight normally I burn Plop to a cd
> boot the cd and the plop menu will offer up usb options to install
> I also suspect your bios can boot to usb directly but usb options will
> only be shown if the usb is plugged in and and sometimes shows up as a
> harddrive not a usb
> also check as usb devices are often disabled by bios as a boot option
> by default sometimes are well hidden in menus and hard to find
>
> On Wed, Apr 10, 2019 at 2:33 PM Jim <azanorak@gmail.com
> <mailto:azanorak@gmail.com>> wrote:
>
> My system normally boots from /dev/sdd1. I've installed Plop to
> /dev/sda1. If I switch on the machine and press F12 to select a boot
> device, then pick /dev/sda1, Plop loads. When I installed Plop, I
> chose the MBR of /dev/sda1.
>
>
> Is there a way to put a menu entry in Grub2 that would tell the
> system
> to boot from /dev/sda1?
>
>
> I did manage to create a menu entry in /etc/grub.d/40_custom that
> lets
> me load plop, but when I do, it gives me a warning that I can't save
> changes. Is there a way to fix it so I can save changes? Here is my
> 40_custom file.
>
>
> #!/bin/sh
> exec tail -n +3 $0
> # This file provides an easy way to add custom menu entries.
> Simply type the
> # menu entries you want to add after this comment. Be careful not
> to change
> # the 'exec tail' line above.
>
>
> menuentry "Plop bootloader" {
> insmod ext2
> set root='hd3,msdos1'
> if [ x$feature_platform_search_hint = xy ]; then
> search --no-floppy --fs-uuid --set=root
> --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1
> --hint-baremetal=ahci3,msdos1 15d4e39e-2e6c-4ee4-9a24-67fd9ccab8f9
> else
> search --no-floppy --fs-uuid --set=root
> 15d4e39e-2e6c-4ee4-9a24-67fd9ccab8f9
> fi
> linux /boot/vmlinuz-4.15.0-47-generic
> root=UUID=15d4e39e-2e6c-4ee4-9a24-67fd9ccab8f9
> linux16 /boot/plpbt.bin
> }
>
> thanks
>
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>
> --
> Todd Cole
> Ubuntu Arizona Team
> 2928 W El Caminito
> Phoenix AZ 85051-3957
> toddc@azloco.com <mailto:toddc@azloco.com>
> 602-677-9402
>
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