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:
Jul. 15, 1997
Filed:
Aug. 18, 1995
Zhi-Hsien Chen, Hsinchu Hsien, TW;
United Microelectronics Corporation, Hsinchu, TW;
Abstract
An apparatus for selecting the primary/secondary and the master/slave configuration of an enhanced IDE interface. The apparatus has a first and a second connector, each for connecting to a cascade of a first and a second IDE drive device. The apparatus comprises a primary/secondary configuration logic and a master/slave configuration logic. The primary/secondary configuration logic is utilized for selectively configuring the first and second connectors of the enhanced IDE interface as the primary and secondary connectors of the IDE interface respectively, or as the secondary and primary connectors of the enhanced IDE interface respectively. The master/slave configuration logic is utilized for selectively configuring the first and second IDE drive devices in each of the cascades as the master and slave drives respectively, or as the slave and master drives respectively.