1# chassis
2
3## Description
4A chassis within the system.
5
6Chassis are large enclosures that can be independently powered off and on by
7the BMC.  Small and mid-sized systems may contain a single chassis.  In a large
8rack-mounted system, each drawer may correspond to a chassis.
9
10A chassis only needs to be defined in the config file if it contains regulators
11that need to be configured or monitored.
12
13## Properties
14| Name | Required | Type | Description |
15| :--- | :------: | :--- | :---------- |
16| comments | no | array of strings | One or more comment lines describing this chassis. |
17| number | yes | number | Chassis number within the system.  Chassis numbers start at 1 because chassis 0 represents the entire system. |
18| devices | no | array of [devices](device.md) | One or more devices within the chassis.  The array should contain regulator devices and any related devices required to perform regulator operations. |
19
20## Example
21```
22{
23  "comments": [ "Chassis number 1 containing CPUs and memory" ],
24  "number": 1,
25  "devices": [
26    {
27      "id": "vdd_regulator",
28      ... details omitted ...
29    },
30    {
31      "id": "vio_regulator",
32      ... details omitted ...
33    }
34  ]
35}
36```
37