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Bitfields for AMD-640 DRAM Configuration Register 2

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Bit Description

7 - 5

type of address mapping for memory banks 4 and 5 (see #00989)

4 - 3

reserved (0)

2 - 0

last populated memory bank:
000 - Bank 0
001 - Bank 1
010 - Bank 2
011 - Bank 3
100 - Bank 4
101 - Bank 5
110 - reserved
111 - reserved

Note:

Banks 2-4 are non-cacheable if tag RAM is ten bits + modified bit.

See Also:

#00983,#00989