KR900013383A - Personal computer using memory card as video RAM - Google Patents

Personal computer using memory card as video RAM Download PDF

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Publication number
KR900013383A
KR900013383A KR1019900002211A KR900002211A KR900013383A KR 900013383 A KR900013383 A KR 900013383A KR 1019900002211 A KR1019900002211 A KR 1019900002211A KR 900002211 A KR900002211 A KR 900002211A KR 900013383 A KR900013383 A KR 900013383A
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KR
South Korea
Prior art keywords
memory card
card
extraction
personal computer
detecting
Prior art date
Application number
KR1019900002211A
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Korean (ko)
Other versions
KR930001360B1 (en
Inventor
노부유키 난노
Original Assignee
아오이 죠이치
가부시기가이샤 도시바
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Application filed by 아오이 죠이치, 가부시기가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR900013383A publication Critical patent/KR900013383A/en
Application granted granted Critical
Publication of KR930001360B1 publication Critical patent/KR930001360B1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/08—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers from or to individual record carriers, e.g. punched card, memory card, integrated circuit [IC] card or smart card

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Digital Computer Display Output (AREA)

Abstract

내용 없음No content

Description

메모리카드를 비디오 RAM으로서 사용하는 퍼스널컴퓨터Personal computer using memory card as video RAM

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

제1도는 본 발명의 퍼스널컴퓨터의 일례를 나타낸 외관투시도,1 is an external perspective view showing an example of a personal computer of the present invention;

제2도는 본 발명의 퍼스널컴퓨터의 전체개요를 나타낸 블록도,2 is a block diagram showing the overall overview of the personal computer of the present invention;

제3도는 본 발명의 요부를 나타낸 블록도.3 is a block diagram showing the main part of the present invention.

Claims (6)

표시해야할 제1 데이타를 격납하는 비디오 랜덤 액세스 메모리(RAM)수단과, 표시해야할 제2 데이타를 격납하는 메모리카드 수단과, 상기 메모리카드수단이 삽입되거나 발취되는 카드 슬롯 수단과, 상기 메모리카드수단의 사이 카드슬롯수단으로부터의 삽입 또는 발취를 검출하고, 삽입 또는 발취를 나타내는 검출신호를 출력하는 카드삽입/발취검출수단과 상기 카드삽입/발취검출수단으로부터의 상기 메모리카드수단의 삽입을 나타내는 검출신호에 응답하여 상기 메모리 카드수단의 내용을 액세스하며, 상기 메모리카드수단의 발취를 나타내는 검출신호에 응답하여 상기 비디오 RAM수단의 내용을 액세스하는 액세스수단과, 상기 액세스수단에 의해 액세스된 내용을 표시하는 표시수단을 구비하는 것을 특징으로 하는 퍼스널컴퓨터.A video random access memory (RAM) means for storing first data to be displayed, a memory card means for storing second data to be displayed, a card slot means into which said memory card means is inserted or extracted, and said memory card means Card insertion / extraction detection means for detecting insertion or extraction from the card slot means and outputting a detection signal indicating insertion or extraction, and detection signal indicating insertion of the memory card means from the card insertion / extraction detection means. An access means for accessing the contents of the memory card means in response, accessing the contents of the video RAM means in response to a detection signal indicating extraction of the memory card means, and a display for displaying the contents accessed by the access means; A personal computer comprising means. 제1항에 있어서, 상기 메모리카드수단을 서포트하는지의 여부를 설정하는 설정수단을 추가로 구비하는 것을 특징으로 하는 퍼스널컴퓨터.The personal computer according to claim 1, further comprising setting means for setting whether or not to support the memory card means. 제1항 있어서, 상기 카드삽입/검출수단은 상기 메모리 카드수단의 삽입 및 발취를 검출하면 같은 레벨의 인터럽트를 출력하는 것을 특징으로 하는 퍼스널컴퓨터.The personal computer according to claim 1, wherein said card insertion / detecting means outputs an interrupt of the same level when detecting insertion and extraction of said memory card means. 제1항에 있어서, 상기 카드삽입/검출수단은 상기 메모리카드수단의 삽입 및 발취를 검출하면 각기 상이한 레벨의 인터럽트신호를 출력하는 것을 특징으로 하는 퍼스널컴퓨터.The personal computer according to claim 1, wherein the card insertion / detection means outputs interrupt signals of different levels when detecting insertion and extraction of the memory card means. 제3항에 있어서, 상기 액세스수단은 또한 플랙수단을 가지며, 상기 플랙수단은 상기 메모리카드수단이 뽑힌 상태에 있어서 제1의 값으로 세트되며, 다음에 메모리카드수단이 삽입되었을때, 상기 인터럽트신호를 인에이블로 하는 것을 나타내며, 상기 메모리 카드수단이 삽입된 상태에 있어서 제2의 값으로 세트되고, 다음에 메모리카드수단이 뽑혔을때 상기 인터럽트신호를 인에이블로 하는 것을 나타내는 것을 특징으로 하는 퍼스널컴퓨터.4. The interrupt means according to claim 3, wherein said access means also has a flag means, said flag means being set to a first value when said memory card means is pulled out, and when said memory card means is next inserted, said interrupt signal. Is set to a second value when the memory card means is inserted, and indicates that enabling the interrupt signal the next time the memory card means is pulled out. computer. 표시해야할 데이타를 격납하는 비디오랜덤 액세스메모리(RAM)수단과, 메모리카드가 삽입되거나 발취되는 카드슬롯수단과 상기 카드슬롯수단에 상기 메모리카드가 삽입된 것을 검출하여 검출신호를 출력하는 카드삽입 검출수단과 상기 카드삽입검출수단으로부터의 검출신호에 응답하여 상기 비디오 RAM의 내용 대신에 상기 메모리카드의 내용을 표시하는 표시제어수단을 구비하는 것을 특징으로 하는 퍼스널컴퓨터.Video random access memory (RAM) means for storing data to be displayed, card slot means for inserting or extracting a memory card, and card insertion detection means for detecting that the memory card is inserted into the card slot means and outputting a detection signal. And display control means for displaying the contents of the memory card instead of the contents of the video RAM in response to a detection signal from the card insertion detecting means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900002211A 1989-02-23 1990-02-22 P.c. using memory card as vram KR930001360B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP01-43502 1989-02-23
JP1-43502 1989-02-23
JP1043502A JPH02222030A (en) 1989-02-23 1989-02-23 Personal computer

Publications (2)

Publication Number Publication Date
KR900013383A true KR900013383A (en) 1990-09-05
KR930001360B1 KR930001360B1 (en) 1993-02-27

Family

ID=12665497

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900002211A KR930001360B1 (en) 1989-02-23 1990-02-22 P.c. using memory card as vram

Country Status (2)

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JP (1) JPH02222030A (en)
KR (1) KR930001360B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395472B1 (en) * 2001-04-17 2003-08-25 엘지전자 주식회사 Method for detecting multi media card in MP3 player

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6820148B1 (en) * 2000-08-17 2004-11-16 Sandisk Corporation Multiple removable non-volatile memory cards serially communicating with a host

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395472B1 (en) * 2001-04-17 2003-08-25 엘지전자 주식회사 Method for detecting multi media card in MP3 player

Also Published As

Publication number Publication date
KR930001360B1 (en) 1993-02-27
JPH02222030A (en) 1990-09-04

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