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Bitfields for Intel 82378/82379 MEMCS# Attribute Register 1/2/3

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Bit Description

7

write-enable xC000h-xFFFFh expansion ROM

6

read-enable xC000h-xFFFFh expansion ROM

5

write-enable x8000h-xBFFFh expansion ROM

4

read-enable x8000h-xBFFFh expansion ROM

3

write-enable x4000h-x7FFFh expansion ROM

2

read-enable x4000h-x7FFFh expansion ROM

1

write-enable x0000h-x3FFFh expansion ROM

0

read-enable x0000h-x3FFFh expansion ROM

Note:

x = C/D/E depending on the attribute register.

See Also:

#01064