公开(公告)号：EP3100132A4

公开(公告)日：2017-11-08

申请号：EP14880636

申请日：2014-01-31

Applicant: HEWLETT-PACKARD DEV COMPANY L P

Inventor： NGUYEN NAM ,  WRIGHT ROBERT S ,  TRUONG BINH T

IPC: G06F1/26 ,  G06F13/42

CPC classification number: G06F9/4401 ,  G06F1/26 ,  G06F1/266 ,  G06F1/3296

Abstract: One of a first voltage and a second voltage may be selected based on input from a basic input/output system (BIOS). One of the selected voltage and no voltage may be output to a carrier detect (CD) pin and a ring Indicator (RI) pin of a serial communication port, based on the input from the BIOS.