公开(公告)号：JP2002358137A

公开(公告)日：2002-12-13

申请号：JP2002138434

申请日：2002-05-14

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  SPRINGFIELD RANDALL SCOTT

IPC: G06F12/14 ,  G06F9/445 ,  G06F21/00 ,  G06F21/22 ,  G06F21/24 ,  G06F1/00

Abstract: PROBLEM TO BE SOLVED: To provide a computer system for making it impossible to use an in-circuit emulator(ICE) device in a security environment, and making it possible to use the ICE device in a manufacture environment or a non-security environment. SOLUTION: This processor is integrated with a special S latch which can be set according to a security signal. In one state of the S latch, the processor is set so as to be put in a security mode where only an instruction is performed, and any command from an ICE device is not performed. In the second state of the S latch, the processor is set so as to be put in a non-security state. Security data read by a boot block code stored in a BIOS storage device are written in a non-volatile random access memory(NVRAM). The book block code is made operable so that the security data in the NVRAM can be read, and the S latch is set so as to be put in a proper security state.

公开(公告)号：ZA845251B

公开(公告)日：1985-03-27

申请号：ZA845251

申请日：1984-07-06

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11 ,  G06F ,  G06K

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：MX159253A

公开(公告)日：1989-05-09

申请号：MX20043184

申请日：1984-02-23

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  KRAFT WAYNE RICHARD

IPC: G06F11/22 ,  G06F11/16 ,  G06F11/08

Abstract: The self-test device for checking drivers (20, 21) circuits connected to a bus, comprises an exclusive - OR circuit (12, 13) associated with each of the drivers (20, 21) for monitoring input signals (I0, I1) to the drivers (20, 21) and output signals (D0, D1) thereof and providing an error signal in the event of a disparity between the input and output signals of the drivers (20, 21). OR circuit (14) is connected to all of the exclusive - OR circuits (12, 13) to sense an error signal from any exclusive - OR circuit (12, 13) and a latch (25) connected to the OR - circuit provides an error indication to inform the system of any failure of the drivers.

公开(公告)号：AT31985T

公开(公告)日：1988-01-15

申请号：AT84107802

申请日：1984-07-05

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：MX155973A

公开(公告)日：1988-06-03

申请号：MX20231484

申请日：1984-08-09

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB CARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11 ,  H01R23/70

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：GB2144890A

公开(公告)日：1985-03-13

申请号：GB8416921

申请日：1984-07-03

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：HK99389A

公开(公告)日：1989-12-22

申请号：HK99389

申请日：1989-12-14

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：DE3468757D1

公开(公告)日：1988-02-18

申请号：DE3468757

申请日：1984-07-05

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：BR8403986A

公开(公告)日：1985-07-09

申请号：BR8403986

申请日：1984-08-09

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11 ,  H01R9/09

Abstract: Cartridges for a microcomputer have two adjacent edge connectors replaced by a single connector (14) with a projection (29) which passes into the area in which the adjacent connector would normaliy be placed. When the cartridge is inserted or removed from the connector socket (3) in the microcomputer, the projection transiently shorts a pair associated socket contacts (27,28). A fixed potential (for example earth potential) normally applied to the main portion of the edge connector from its associated contact (28) of the pair is therefore transferred to the transiently contacted contact (27) to provide a reset signal for the microprocessor of the microcomputer. Thus, the microprocessor is reset each time a cartridge is inserted or withdrawn.

公开(公告)号：ZA8405251B

公开(公告)日：1985-03-27

申请号：ZA8405251

申请日：1984-07-06

Applicant: IBM

Inventor： FREEMAN JOSEPH WAYNE ,  WEBB GARY EDWARD

IPC: G06F3/00 ,  G06F1/00 ,  G06F1/18 ,  G06F1/24 ,  G06F15/78 ,  G11C5/00 ,  H01R13/703 ,  H01R29/00 ,  H05K1/02 ,  H05K1/11 ,  G06F ,  G06K

CPC classification number: H05K1/117 ,  G06F1/24 ,  H01R12/721 ,  H01R13/703 ,  H01R29/00 ,  H05K1/0268 ,  H05K2201/0746 ,  H05K2201/094