Patent
1996-09-17
1997-04-22
Chan, Eddie P.
395472, 395471, 395483, G06F 1214, G06F 1320
Patent
active
056236352
ABSTRACT:
A method and system is disclosed for efficiently transferring a sequence of data words from an I/O device to sequential addresses in a main memory via an I/O bridge. The sequence of data words to be transferred includes one or more subsequences of data words. Each subsequence of data words include only data words destined to addresses of the main memory in which data words of only one data line are stored. The I/O bridge has control logic for receiving a first subsequence of data words corresponding to a currently owned data line and for claiming ownership in one or more of the very next data lines corresponding to the next subsequences of data words to be transferred from the I/O device. The I/O bridge also has a buffer memory for storing a subsequence of the sequence of data words received from the I/O device. The control logic maintains in a pre-own tag array a list of the data lines in which ownership has been successfully claimed and a list in a buffer tag array of storage locations in the buffer memory allocated to receiving data words of particular subsequences of the sequence of data words from the I/O device.
REFERENCES:
patent: 4977498 (1990-12-01), Rostegar et al.
patent: 5247648 (1993-09-01), Watkins et al.
patent: 5511226 (1996-04-01), Zika
Chang Wei-Wen
Chen Chang-Lun
Wang Allen S. C.
Bragdon Reginald G.
Chan Eddie P.
Industrial Technology Research Institute
LandOfFree
Memory consistent pre-ownership method and system for transferri does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Memory consistent pre-ownership method and system for transferri, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Memory consistent pre-ownership method and system for transferri will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-349304