DCB

The DCB entry locks the modem's port speed to a specific default. It also controls XON/XOFF software flow-control settings.

Note

The ProCalc tool, which is included in the Microsoft Windows Driver Kit (WDK), should be used to create this entry. For more information about ProCalc, see Using ProCalc. For more information about using ProCalc to create this entry, see Locking the Port Speed (DCB).

Format

A data structure that contains DWORD and WORD hexadecimal values.

Examples

The following example of a <b>DCB</b> entry is taken from the sample INF file, <i>MdmHayes.inf</i>:

HKR,, DCB, 1, 1C,00,00,00, 80,25,00,00, 15,20,00,00, 00,00, 0a,00, 0a,00, 08, 00, 00, 11, 13, 00, 00, 00

Remarks

Typically, the only member that is modified is the baud rate. The other members are used in advanced applications, which are beyond scope of this document.

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