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Bitfields for AMD-640 PCI Buffer Control register

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Bit Description

7

enable CPU-to-PCI posted writes

6

enable PCI-to-DRAM posted writes

5

enable PCI-to-DRAM prefetch

4 - 2

reserved (0)

1

disable PCI retry for processor QuadWord access

0

CPU-to-PCI buffer flushing
0 = flushing has priority over bus grants
1 = bus-grant to another PCI initiator has priority over flushing

See Also:

#00983