Unfortunately, I posted an incomplete message. I sincerely apologise for
the mistake.

Here's the complete one:

I was trying to install Plan9 on my pc using the USB Image. My host machine
is windows 11. Here's how I made the usb drive:

1. Downloaded the USB Disk Image from here
<http://9p.io/plan9/download.html>.
2. run this from cmd
    ```
        dd if="...\usbdisk" of=\\.\PhysicalDrive3 bs=4M --progress
    ```

Note. dd is dd for windows from here: chrysocome
<http://www.chrysocome.net/dd>.
3. booted into the usb drive in Legacy mode and the loader was running

after that I got this error:

```
auth...can't open /dev/sdXX/nvram: 'env/nvroff' file does not exist.
```
Then it prompted something related to `authid`.

Here's what my `plan9.ini` looks like:

```
console=0

# new 9load can figure out bootfile
bootfile=sdB0!9fat!9pccpuf.gz
nobootprompt=local!/dev/sdXX/fossil

readparts=
nvram=/dev/sdXX/nvram

debugboot=1
*nodumpstack=1
*noe820print=1
```

I tried setting `nvroff=0` and also `nvrlen=512` and then I got the error
that `/dev/sdXX` does not exists following the  `authid` prompt.

What should I do?

Thanks!

_resun


On Sun, 7 Sept 2025 at 23:49, <[email protected]> wrote:

> Hello!
>
> I was trying to install Plan9 on my pc using the USB Image. My host
> machine is windows 11. Here's how I made the usb drive:
>
>     1. Downloaded the USB Disk Image from here
> <http://9p.io/plan9/download.html>.
>     2. run this from cmd
>
> dd if=C:\path\to\usbdisk of=\\.\PhysicalDrive<N> bs=4M --progress
>
>
>
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