Invention Grant
- Patent Title: Virtual USB communications port
- Patent Title (中): 虚拟USB通信端口
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Application No.: US12061899Application Date: 2008-04-03
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Publication No.: US07675937B2Publication Date: 2010-03-09
- Inventor: Daryl Carvis Cromer , Brandon John Ellison , Eric Richard Kern , Howard Jeffrey Locker , Edward Stanely Suffern
- Applicant: Daryl Carvis Cromer , Brandon John Ellison , Eric Richard Kern , Howard Jeffrey Locker , Edward Stanely Suffern
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Law Office of Jim Boice
- Agent Cynthia G. Seal
- Main IPC: H04J3/22
- IPC: H04J3/22

Abstract:
A method and system for accessing a remote real communication port (“COM port”) from a server blade in a server blade chassis by creating a virtual COM port in the server blade. A basic input/output system (BIOS) controller monitors an internal COM port in the server blade for communication traffic. Upon detecting the communication traffic, the BIOS controller reroutes the traffic to a virtual USB COM port created by the BIOS controller chipset. The virtual USB COM port directs the communication traffic to an internal universal serial bus (USB) device in the server blade. The USB device then forwards the traffic to an Ethernet media access controller (MAC) input/output (I/O) on a sideband channel to a remote system, which passes the communication traffic to a real COM port in the remote system.
Public/Granted literature
- US20080181236A1 VIRTUAL USB COMMUNICATIONS PORT Public/Granted day:2008-07-31
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