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Bitfields for AMD-645 ISA Bus Control register

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Bit Description

7

extra delay on ISA commands (default is disabled)

6

enable extended ISA bus ready (default is disabled)

5

ISA slave wait states:
0 = 4 wait states [default]
1 = 5 wait states

4

chipset I/O wait states:
0 = 2 wait states [default]
1 = 4 wait states

3

I/O recovery time enabled

2

enable extended ALE

1

ROM wait states:
0 = no ROM wait states
1 = ROM wait states

0

enable ROM writes

See Also:

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