Microsoft KB Archive/73234

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Meaning of COM Port Settings in WIN.INI

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Q73234

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a, 3.1, 3.11

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SUMMARY
The information listed below describes the COM port settings in the [ports] section of the WIN.INI file as changed by the Flow Control options when selecting Ports from Control Panel.

MORE INFORMATION
When the Flow Control settings on a COM port are saved as xon/xoff, an x is added to the appropriate COM port in the [ports] section of WIN.INI.

For example:

"com1:=9600,n,8,1,x" The &quot;x&quot; designates an xon/xoff software handshake.

When the Flow Control settings on a COM port are saved as hardware, a &quot;p&quot; (without the quotation marks) is added to the appropriate COM port in the [ports] section of WIN.INI.

For example:

"com2:=9600,n,8,1,p" The &quot;p&quot; designates a hardware handshake and infinite retries.

The absence of a letter at the end of a line donates Flow Control set to none.

Additional query words: 3.00 3.0 3.0a 3.00a 3.10 wincomm 3.11

Keywords :

Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a kbWin310 kbWin311