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Bitfields for Intel 82443EX/LX DRAM Extended Mode Select register

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Bit Description

15 - 8

reserved

7 - 5

Operating Mode
000 = Normal operating mode
001 = NOP command enabled
010 = All banks precharge enable
011 = Mode register set command enable
100 = CBR cycle enable
101 = reserved
110 = reserved
111 = reserved

4

reserved

3 - 2

Page timeout select
00 = 16 clocks
01 = reserved
10 = reserved
11 = reserved

1 - 0

Close both banks control
00 = close both banks on page misses
01 = reserved
10 = reserved
11 = reserved

See Also:

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