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