Claims
- 1. A CD-ROM apparatus comprising an IDE interface, wherein a hard disk unit and said CD-ROM apparatus are connected in cascade by a master and slave device with an IDE interface of a personal computer, and wherein said master and slave device is controlled by a CD-ROM software driver switching a drive select bit in the IDE interface so that said CD-ROM apparatus may be used as said master or slave device.
- 2. A personal computer system, comprising:
an IDE interface provided in a personal computer; an IDE BUS connected to said IDE interface of said personal computer; a CD-ROM apparatus containing an IDE interface which can be directly connected to said IDE interface of said personal computer through said IDE BUS; and a hard disk having an IDE interface which also can be directly connected to said IDE interface of said personal computer through said IDE BUS; wherein said CD-ROM apparatus and hard disk unit are connected in cascade by a master and slave device with said IDE interface of said personal computer, and wherein said master and slave device is controlled by a CD-ROM software driver switching a drive selection bit in the IDE interface so that said CD-ROM apparatus may be used as said master or slave device.
Priority Claims (1)
Number |
Date |
Country |
Kind |
5-041032 |
Jul 1993 |
JP |
|
CROSS REFERENCE TO RELATED PATENT APPLICATIONS:
[0001] This application is a continuation-in-part of U.S. patent application Ser. No. 08/985,584, filed Dec. 5, 1997; which is a continuation of U.S. patent application Ser. No. 08/276,440, filed Jul. 18, 1994; which claims priority under 35 U.S.C. §119 to Japanese Patent Application No. 5-041032, filed Jul. 28, 1993, and all being incorporated by reference herein for all purposes.
Divisions (2)
|
Number |
Date |
Country |
Parent |
10354715 |
Jan 2003 |
US |
Child |
10731765 |
Dec 2003 |
US |
Parent |
09545488 |
Apr 2000 |
US |
Child |
10354715 |
Jan 2003 |
US |
Continuations (1)
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Number |
Date |
Country |
Parent |
08276440 |
Jul 1994 |
US |
Child |
08985584 |
Dec 1997 |
US |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
08985584 |
Dec 1997 |
US |
Child |
09545488 |
Apr 2000 |
US |