# Generic x86_64 System
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This is the base Nerves System configuration for a generic x86_64 system.
| Feature | Description |
| -------------------- | ------------------------------- |
| CPU | Intel |
| Memory | 512 MB+ DRAM |
| Storage | Hard disk/SSD/etc. (/dev/sda) |
| Linux kernel | 4.13 |
| IEx terminal | Display - tty0 |
| Hardware I/O | None |
| Ethernet | Yes |
Please contact me about this if you're really interested in it. I don't
maintain it, and unless you really dig through the code, it's not going
to be obvious how it works. I'm happy to help if you're really interested.
## Installation
Add `nerves_system_x86_64` to your list of dependencies in mix.exs:
```
def deps do
[{:nerves_system_x86_64, "~> 0.1"}]
end
```
## Root disk naming
If you have multiple SSDs, or other devices connected, it's
possible that Linux will enumerate those devices in a nondeterministic order.
This can be mitigated by using `udev` to populate the `/dev/disks/by-*`
directories, but even this can be inconvenient when you just want to refer to
the drive that provides the root filesystem. To address this, `erlinit` creates
`/dev/rootdisk0`, `/dev/rootdisk1`, etc. and symlinks them to the expected
devices. For example, if your root file system is on `/dev/sdap1`, you'll
get a symlink from `/dev/rootdisk1` to `/dev/sdap1` and similar files for
each partition. The whole disk will be `/dev/rootdisk0`.