Appeal No. 1997-4221 Page 2
Application No. 08/255,518
The invention pertains to reliability testing of data
being transferred in a computer system. More particularly, the
invention concerns an on-the-fly integrity checking system that
duplicates data passing through a main system bus and functions
concurrently to recognize the size of data blocks being
transferred from a sending module to a receiving module. Each
word of data transferred is immediately parity checked to
indicate the validity or invalidity of the data transfer. No
delay is involved in the data transfer operations of the main
system bus because the integrity checking system operates on-
the-fly independently as an independent module, which does not
delay data transfers on the main system bus.
Independent claim 1 is reproduced as follows:
1. A digital system for establishing the integrity of
data transfers between a first transmitting module connected by
a bus means to a second receiving module, said system
comprising:
(a) bus means connecting said first and second modules
and enabling the parallel transmission of words of data;
(b) means to determine the size of each block of data
being transferred on said bus means;
(c) wherein each said block of data being transferred
includes:
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