Specifying the number of HVC terminal devices

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Use the hvc_iucv kernel parameter to specify the number of HVC terminal devices to be operational.

Figure 1. hvc_iucv kernel parameter syntax

1 hvc_iucv=<n>

<n> is an integer in the range 1 - 8 and specifies the number of terminal devices. The default for hvc_iucv depends on your distribution.