KR950024075A - How to control FDD of personal computer - Google Patents

How to control FDD of personal computer Download PDF

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Publication number
KR950024075A
KR950024075A KR1019940000726A KR19940000726A KR950024075A KR 950024075 A KR950024075 A KR 950024075A KR 1019940000726 A KR1019940000726 A KR 1019940000726A KR 19940000726 A KR19940000726 A KR 19940000726A KR 950024075 A KR950024075 A KR 950024075A
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KR
South Korea
Prior art keywords
fdd
signal
mode
personal computer
control method
Prior art date
Application number
KR1019940000726A
Other languages
Korean (ko)
Inventor
김기중
Original Assignee
이정식
주식회사 삼보컴퓨터
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 이정식, 주식회사 삼보컴퓨터 filed Critical 이정식
Priority to KR1019940000726A priority Critical patent/KR950024075A/en
Publication of KR950024075A publication Critical patent/KR950024075A/en

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Abstract

본 발명은 퍼스널 컴퓨터의 FDD 제어방법에 관한 것으로, 3.5인치 플로피 디스켓에 기록된 720kbyte, 1.44Mbyte 및 1.2Mbyte 타입의 정보를 호환성 있게 읽어들일수 있도록 FDD를 제어하므로 IBM 및 NEC 호환 기종의 소프트 웨어를 모두 사용할수 있다.The present invention relates to a FDD control method for a personal computer. Since the FDD is controlled so that 720k, 1.44Mbyte and 1.2Mbyte types of information recorded on a 3.5-inch floppy diskette can be read in a compatible manner, software of IBM and NEC compatible models can be used. You can use them all.

Description

퍼스널 컴퓨터의 에프디디(FDD) 제어방법How to control FDD of personal computer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 퍼스널 컴퓨터의 FDD 제어회로 구성도.1 is a block diagram of an FDD control circuit of a personal computer according to the present invention.

Claims (2)

FDD 제어방법에 있어서, FDD를 선택하기 위한 다수의 모드신호를 발생함과 동시에 2DD 및 2HD 플로피 디스켓 중의 하나를 선정하기 위한 기록 밀도 신호를 발생하는 제1과정, 상기 모드 신호와 기록 밀도 신호를 논리 변환하여 다수의 모드 선택 신호를 발생하는 제2과정, 다수의 FDD가 상기 모드 선택 신호중의 하나에 따라 3.5인치 플로피 디스켓의 구동회전 속도를 변환하는 제3과정을 포함하는 것을 특징으로 하는 퍼스널 컴퓨터의 FDD 제어 방법.In the FDD control method, a first process of generating a plurality of mode signals for selecting FDD and generating a write density signal for selecting one of 2DD and 2HD floppy disks, the mode signal and the write density signal A second process of converting to generate a plurality of mode selection signals, and a third process of converting a drive rotational speed of the 3.5-inch floppy diskette in accordance with one of the mode selection signals. FDD control method. 제1항에 있어서, 상기 제2과정에서 상기 모드 선택 신호를 발생하는 경우 모드 신호와 기록 밀도 신호를 논리곱하여 발생하는 것을 특징으로 하는 퍼스널 컴퓨터의 FDD 제어방법.The FDD control method according to claim 1, wherein when the mode selection signal is generated in the second process, the mode signal is generated by ANDing the mode signal and the recording density signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940000726A 1994-01-17 1994-01-17 How to control FDD of personal computer KR950024075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940000726A KR950024075A (en) 1994-01-17 1994-01-17 How to control FDD of personal computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940000726A KR950024075A (en) 1994-01-17 1994-01-17 How to control FDD of personal computer

Publications (1)

Publication Number Publication Date
KR950024075A true KR950024075A (en) 1995-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940000726A KR950024075A (en) 1994-01-17 1994-01-17 How to control FDD of personal computer

Country Status (1)

Country Link
KR (1) KR950024075A (en)

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