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Bitfields for Intel 82371/82378/82379 System Event Enable Register

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Bit Description

31

Fast-Off SMI enable (system and break events)

30

(82379 only) Fast-Off Interrupt Enable (break events only)

30

(82371 only) INTR enable (break events only)

29

Fast-Off NMI enable (system and break events)

28

(82371SB only) Fast-Off APIC enable (break events only)

27

(82379 only) Fast-Off COM enable (system events only)

26

(82379 only) Fast-Off LPT enable (system events only)

25

(82379 only) Fast-Off Drive enable (system events only)

24

(82379 only) Fast-Off DMA enable (system events only)

23 - 16

reserved

15 - 3

Fast-Off IRQ (15-3) enable (system and break events)

2

reserved

1 - 0

Fast-Off IRQ (1-0) enable (system and break events)

Note:

Any enabled system event restarts the Fast-Off Timer, thus preventing a Fast-Off powerdown; any enabled break event awakens the system from powerdown/

See Also:

#01064,#01079,#01080,#01082,#01167