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# ConfigurationWrite16

Writes an 16-bit data value to the device’s configuration space.

```
void ConfigurationWrite16(uint64_t offset, uint16_t data);
```

## Parameters

`offset`

An offset into the configuration space. This method ignores bits 0 and 1. For a list of possible offset values, see [Configuration Data Offsets](/documentation/PCIDriverKit/configuration-data-offsets-enum).

`data`

The data value that you want DriverKit to write to the specified location.

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