![]() ![]() So logically, it seems we’ve proved nobody likes life. Start with a value of 100 and gradually decrease it until you find the highest speed at which your connection works reliably.Change is inevitable, and a part of life. Once the serial port speed is set appropriately in the guest operating system, experiment with this setting. You should first use the guest operating system to configure the serial port for the highest setting supported by the application you are running in the virtual machine. A setting of 50 forces the port to take only half as long per character, or send data at twice the default speed. For example, a setting of 200 forces the port to take twice as long per character, or send data at half the default speed. It specifies the time taken to transmit a character, expressed as a percentage of the default speed set for the serial port in the guest operating system. is the number of the serial port, starting from 0. In practice, the output speed depends on how fast the application at the other end of the pipe reads data inbound to it. In principle, there is no limit on the output speed the speed at which the virtual machine sends data through the virtual serial port. This option is useful if you want to squeeze every possible bit of speed from your serial connection over a pipe to the virtual machine. ![]() To use the second option, power off the virtual machine and close the VMware Workstation window, then use a text editor to add the following line to your virtual machine's configuration file: This configuration option forces the affected virtual machine to yield processor time if the only task it is trying to do is poll the virtual serial port.Ĭhanging the Input Speed of the Serial Connection To restore performance for applications on the host, in the virtual machine settings editor, select the virtual serial port, and check the Yield CPU on poll check box. ![]() This makes the host and other guests run sluggishly. Polled mode causes the virtual machine to consume a disproportionate share of CPU time. This option is useful when the serial port is being used by the guest operating system in polled mode as opposed to interrupt mode. The first option must be set in the virtual machine settings editor. These options are of interest primarily to developers who are using debugging tools that communicate over a serial connection. Two special configuration options are available for serial connections between a virtual machine and the host or between two virtual machines. ![]() Special Configuration Options for Advanced Users ![]()
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