The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2001
Filed:
May. 14, 1998
Charles Christopher Hill, Gilbert, AZ (US);
Edward Greenwood, Phoenix, AZ (US);
Mark Lanus, Tempe, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
In a method for switching between multiple system hosts (,) on a CompactPCI bus (,), a hot swap controller (,) provides to a special arbiter (,) a high priority request signal and the special arbiter (,) provides to the hot swap controller a grant signal only when the CompactPCI bus is idle. The hot swap controller (,) provides to the special arbiter (,) a float signal causing the special arbiter (,) to disable the system host signals, which include one or more grant signals for granting bus access to devices on the CompactPCI bus (,), one or more reset signals for resetting the devices, one or more interrupts and one or more clock signals provided to devices. The hot swap controller (,) transfers control of the CompactPCI bus (,) to a standby system host,).