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Class Information
Number: 710/17
Name: Electrical computers and digital data processing systems: input/output > Input/output data processing > Peripheral monitoring > Availability monitoring
Description: Subject matter further comprising means or steps for detecting whether the peripheral is available to participate in transferring data with the digital data processing system or computer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5675814 |
Apparatus and method for managing power consumption by I/O ports in a computer system |
Oct. 7, 1997 |
| 5666557 |
Method and apparatus for automatically assigning device identifiers on a parallel data bus |
Sep. 9, 1997 |
| 5664213 |
Input/output (I/O) holdoff mechanism for use in a system where I/O device inputs are fed through a latency introducing bus |
Sep. 2, 1997 |
| 5655150 |
Recording device having alternative recording units operated in three different conditions depending on activities in maintenance diagnosis mechanism and recording sections |
Aug. 5, 1997 |
| 5644783 |
Device for setting aside memory for use by one transfer unit when number of busy responses for the unit regarding the memory becomes predetermined number |
Jul. 1, 1997 |
| 5640603 |
Logical path scheduler for disconnecting currently connected paths to enable logical paths awaiting connection to connect based on path control tables thereof |
Jun. 17, 1997 |
| 5638517 |
Method and apparatus for transmitting a message from a computer system over a network adapter to the network by performing format conversion and memory verification |
Jun. 10, 1997 |
| 5628029 |
Apparatus for monitoring distributed I/O device by providing a monitor in each I/O device control for generating signals based upon the device status |
May. 6, 1997 |
| 5606716 |
Device for detecting the connectivity of a monitor and inhibiting a data reproducing operation |
Feb. 25, 1997 |
| 5594922 |
System for monitoring a library unit shared as input/output with higher level unit wherein abnormal occupation of library by a higher level unit is reset |
Jan. 14, 1997 |
| 5568609 |
Data processing system with path disconnection and memory access failure recognition |
Oct. 22, 1996 |
| 5548784 |
Automatic disk change detection without causing head movement by step pulses |
Aug. 20, 1996 |
| 5548743 |
Data processing system with duplex common memory having physical and logical path disconnection upon failure |
Aug. 20, 1996 |
| 5537663 |
System for determining configuration of devices installed on a computer bus by comparing response time of data lines to read from I/O address when undriven |
Jul. 16, 1996 |
| 5535335 |
Method and system for reporting the status of an aggregate resource residing in a network of interconnected real resources |
Jul. 9, 1996 |
| 5530899 |
Archival and retrieval system accessing an external storage by polling internal queues from remote terminals minimizing interruption of a host processor |
Jun. 25, 1996 |
| 5524267 |
Digital I/O bus controller circuit with auto-incrementing, auto-decrementing and non-incrementing/decrementing access data ports |
Jun. 4, 1996 |
| 5473760 |
Device and method for interface effective/ineffective state judging by varying threshold voltage to an input receiver circuit |
Dec. 5, 1995 |
| 5414817 |
Adapter unit for connecting a mobile computer to a network and for simulating the presence of the mobile computer when the mobile computer is not present |
May. 9, 1995 |
| 5349689 |
Apparatus for maintaining reset on microprocessor until after electrical chattering from connection of removable memory cartridge has ceased |
Sep. 20, 1994 |
| 5220674 |
Local area print server for requesting and storing required resource data and forwarding printer status message to selected destination |
Jun. 15, 1993 |
| 5214762 |
Disk drive activity indicator |
May. 25, 1993 |
| 5170471 |
Command delivery for a computing system for transferring data between a host and subsystems with busy and reset indication |
Dec. 8, 1992 |
| 5151977 |
Managing a serial link in an input/output system which indicates link status by continuous sequences of characters between data frames |
Sep. 29, 1992 |
| 5036456 |
Apparatus for controlling concurrent operations of a system control unit including activity register circuitry |
Jul. 30, 1991 |
| 4974199 |
Digital IC-microcomputer interface |
Nov. 27, 1990 |
| 4914571 |
Locating resources in computer networks |
Apr. 3, 1990 |
| 4628445 |
Apparatus and method for synchronization of peripheral devices via bus cycle alteration in a microprocessor implemented data processing system |
Dec. 9, 1986 |
| 4495564 |
Multi sub-channel adapter with single status/address register |
Jan. 22, 1985 |
| 4426679 |
Communication multiplexer using a random access memory for storing an acknowledge response to an input/output command from a central processor |
Jan. 17, 1984 |
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