Bitfields for Intel 82371/82378/82379 SMI Request Register |
| Bit | Description |
|---|---|
|
15 - 9 |
reserved |
|
8 |
(82371SB only) Legacy USB SMI status |
|
7 |
APM SMI Status (write to PORT 00B2h triggered SMI) |
|
6 |
EXTSMI# SMI Status (EXTSMI# line triggered SMI) |
|
5 |
Fast-Off Timer expired |
|
4 |
IRQ12 triggered SMI |
|
3 |
IRQ8 triggered SMI |
|
2 |
IRQ4 triggered SMI |
|
1 |
IRQ3 triggered SMI |
|
0 |
IRQ1 triggered SMI |
|
Note: |
Software must explicitly reset the appropriate bits. |
|
See Also: |