[go: up one dir, main page]

JPS648432A - Floppy disk drive connecting device - Google Patents

Floppy disk drive connecting device

Info

Publication number
JPS648432A
JPS648432A JP16230187A JP16230187A JPS648432A JP S648432 A JPS648432 A JP S648432A JP 16230187 A JP16230187 A JP 16230187A JP 16230187 A JP16230187 A JP 16230187A JP S648432 A JPS648432 A JP S648432A
Authority
JP
Japan
Prior art keywords
floppy disk
computer
fdds
disk drive
disk drives
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16230187A
Other languages
Japanese (ja)
Inventor
Takashi Abe
Yoshihiro Hayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16230187A priority Critical patent/JPS648432A/en
Publication of JPS648432A publication Critical patent/JPS648432A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To make access to the floppy disk drives of the other device by disconnecting a bus for floppy disk drives provided with a personal computer from a floppy disk drive interface circuit and connecting the bus to the external. CONSTITUTION:The buses 8, 18 for the floppy disk drives (FDDs) 3, 4, 13, 14 of the personal computers 5, 15 are respectively outputted to connectors 7, 17 and both connectors 7, 17 are connected through a cable 20. When the computer 15 makes accesses to the FDDs 3, 4 in the computer 5, the computer 5 is set up to a mode for inhibiting the access of the FDDs 3, 4 and at the time of the inhibition mode, a microcomputer 1 inhibits an FDD controller 2 from accessing the FDDs 3, 4 through an FDD disconnecting circuit 6 by using a gate signal 9. Consequently, computer 15 can read out and write data from/in a floppy disk by the FDDs 3, 4 of the computer 5.
JP16230187A 1987-07-01 1987-07-01 Floppy disk drive connecting device Pending JPS648432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16230187A JPS648432A (en) 1987-07-01 1987-07-01 Floppy disk drive connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16230187A JPS648432A (en) 1987-07-01 1987-07-01 Floppy disk drive connecting device

Publications (1)

Publication Number Publication Date
JPS648432A true JPS648432A (en) 1989-01-12

Family

ID=15751898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16230187A Pending JPS648432A (en) 1987-07-01 1987-07-01 Floppy disk drive connecting device

Country Status (1)

Country Link
JP (1) JPS648432A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04225420A (en) * 1990-12-26 1992-08-14 Toshiba Corp Compact electronic computer and access system for its incorporated disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04225420A (en) * 1990-12-26 1992-08-14 Toshiba Corp Compact electronic computer and access system for its incorporated disk

Similar Documents

Publication Publication Date Title
AU589815B2 (en) Bus interface circuit for digital data processor
US5948092A (en) Local bus IDE architecture for a split computer system
US5822547A (en) Method and apparatus for providing a portable computer with hot pluggable modular bays
EP0795157B1 (en) Bridge between two buses
DE69432514D1 (en) Power control in a computer system
US5544334A (en) Micro channel bus computer system with IDE hard drive interface
EP0658852A3 (en) Computer system with derived local bus
US5214762A (en) Disk drive activity indicator
EP0486146A2 (en) Personal computer with input/output subsystem
AU570701B2 (en) Bypass for direct memory access channels
US5276864A (en) Personal computer with alternate system controller error detection
US5898843A (en) System and method for controlling device which is present in media console and system unit of a split computer system
JP2538739B2 (en) Personal computer system
US5485585A (en) Personal computer with alternate system controller and register for identifying active system controller
JPS648432A (en) Floppy disk drive connecting device
US5915100A (en) Method for interfacing a media console and a system unit
US5537600A (en) Personal computer with alternate system controller
CA2066001C (en) Personal computer memory write control
KR950005214B1 (en) Personal computer systems
WO1993019413A3 (en) Hardware write protection circuitry for external mass storages of personal computers (pc)
KR920005671Y1 (en) Programmable Interface Circuit of Floppy Disk Drive
Scott High speed magnetic tape interface for a microcomputer
JPS6432363A (en) Memory device controller
CA2070342A1 (en) Personal computer with alternate system controller override
JPS6459540A (en) Microcomputer