Appeal No. 1997-4221 Page 3
Application No. 08/255,518
(c1) a header portion indicating the size of the
data block;
(c2) an original Error Detection Code (OEDC)
signature which sets a digital value to the data words in said
data block to be transferred;
(d) means to integrity check, concurrently on-the-fly,
each said word and each said data block transferred from said
first module to said second module without any delay to the
data transfer operation, including:
(d1) means to generate an error code value for
each data word transferred including:
(d1a) means to accumulate said error code values
to form an internally generated resultant Error Detection Code
Signature (REDC) after transfer of all the words in said block
of data;
(d2) counter means for holding the number of
words in the data block being transferred and including:
(d2a) means to reduce the amount in said counter
means for each word transferred until reaching a zero count
limit for the block size;
(d2b) means to initiate a comparison of said
internally generated resultant REDC with said original OEDC
after said zero count to see if a match occurs;
(d3) means to transmit an error signal if a match
does not occur;
(d4) input register means to momentarily copy, during
word transfers, each word being transferred;
(d5) means to determine the parity of each said word
being transferred;
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Last modified: November 3, 2007