> 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:

Note that the usbdisk image does not contain the installer, you have to manually
set up fossil and venti and install on your hard drive. The instruction is 
available
on 9legacy's site.

> 
> 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`.

When you boot into your usb, it will ask you to select the cpu kernel
or terminal kernel. you selected the cpu kernel.
On the first boot of the cpu kernel, nvram doesn't have anything yet,
the authid prompt is normal, it will write your information to nvram
(if you are interested in booting a cpu kernel)

> 
> 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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