TxFIFO

HKLM\SYSTEM\CurrentControlSet\Services\Serial

Description

Determines how many characters are sent at a time to the transmit FIFO buffer of a National Semiconductor 16550-compatible device.

Note

The value of this entry is used as the default value for all serial ports on the computer. Settings for specific serial ports are stored in the device-specific subkey for that port in the Enum subkey (HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum).

Tip

To change this value, you must edit the registry. To change the TxFIFO setting for a specific serial port, use Device Manager.

Related Entries

RxFIFO