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<
Computer
<
Platform
<
PC, IBM compatible
<
Serial port
<
Plug & Play
<
Plug and Play External COM Device Specification (1995-02-28) v1.00 by Microsoft.pdf
/ < Computer < Platform < PC, IBM compatible < Serial port < Plug & Play < Plug and Play External COM Device Specification (1995-02-28) v1.00 by Microsoft.pdf