JPS5242037A - Data i/o unit - Google Patents
Data i/o unitInfo
- Publication number
- JPS5242037A JPS5242037A JP50116534A JP11653475A JPS5242037A JP S5242037 A JPS5242037 A JP S5242037A JP 50116534 A JP50116534 A JP 50116534A JP 11653475 A JP11653475 A JP 11653475A JP S5242037 A JPS5242037 A JP S5242037A
- Authority
- JP
- Japan
- Prior art keywords
- data
- unit
- retransfer
- effective
- effective flag
- 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.)
- Granted
Links
Landscapes
- Information Transfer Systems (AREA)
- Computer And Data Communications (AREA)
Abstract
PURPOSE: To improve the entire system processing efficiency by improving the effective performance of data I/O unit, by providing effective flag for retransfer other than effective flag, and by making possible the retransfer of the data without being it read in again in the buffer.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50116534A JPS5242037A (en) | 1975-09-29 | 1975-09-29 | Data i/o unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50116534A JPS5242037A (en) | 1975-09-29 | 1975-09-29 | Data i/o unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5242037A true JPS5242037A (en) | 1977-04-01 |
JPS5537027B2 JPS5537027B2 (en) | 1980-09-25 |
Family
ID=14689495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50116534A Granted JPS5242037A (en) | 1975-09-29 | 1975-09-29 | Data i/o unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5242037A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150037A (en) * | 1979-05-14 | 1980-11-21 | Hitachi Ltd | Control circuit for input/output unit |
JPH04309153A (en) * | 1991-04-08 | 1992-10-30 | Fujitsu Ltd | Data transfer processor |
-
1975
- 1975-09-29 JP JP50116534A patent/JPS5242037A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150037A (en) * | 1979-05-14 | 1980-11-21 | Hitachi Ltd | Control circuit for input/output unit |
JPH04309153A (en) * | 1991-04-08 | 1992-10-30 | Fujitsu Ltd | Data transfer processor |
Also Published As
Publication number | Publication date |
---|---|
JPS5537027B2 (en) | 1980-09-25 |
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