Appeal No. 2005-0627 2
Application No. 09/749,432
devices, and flushing any data fetched for the first device from the data buffer prior to
storing data for another device in the data buffer.
Claims 1 and 22 are illustrative of the claimed invention, and they read as follows:
1. A data pre-fetch control mechanism, comprising:
an interface control logic arranged to interface with a bus;
a data buffer shared by a plurality of requesting bus devices and arranged to store
data fetched from a main memory for the plurality of requesting bus devices, via said bus;
and
a pre-fetch control logic operatively connected to said interface control logic and
said data buffer, and arranged to control data fetch operations and retain data after bus
cycle termination in a manner that ensures said data buffer comprises data for only a
single requesting bus device of the plurality of bus devices.
22. A method comprising
fetching data for a first device of a plurality of devices,
storing data fetched for the first device in a data buffer shared by the plurality of
devices, and
flushing any data fetched for the first device from the data buffer prior to storing
data for another device of the plurality of devices in the data buffer.
The reference relied on by the examiner is:
Batchelor et al. (Batchelor) 6,502,157 Dec. 31, 2002
(filed Mar. 24, 1999)
Claims 1 through 30 stand rejected under 35 U.S.C. § 102(b) as being anticipated
by Batchelor.
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