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Bitfields for Intel 82441FX DRAM Control register

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Bit Description

7

reserved

6

enable DRAM Refresh Queue

5

enable DRAM EDO Auto-Detect Mode

4

DRAM Refresh Type
0 = CAS before RAS
1 = RAS only

3

reserved

2 - 0

DRAM refresh rate
000 = disabled
001 = normal (as set by PMCCFG register)
010 = reserved
011 = reserved
100 = reserved
101 = reserved
110 = reserved
111 = fast refresh (every 32 host clocks)

See Also:

#01229,#01233,#01235