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Bitfields for Intel 82371/82378/82379 SMI Enable Register

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Bit Description

15 - 9

reserved

8

(82371SB only) Legacy USB SMI enable

7

APMC Write SMI enable
1 = generate SMI on write to PORT 00B2h

6

EXTSMI# SMI enable

5

Fast-Off Timer SMI enable

4

IRQ12 (PS/2 mouse) SMI enable

3

IRQ8 (RTC alarm) SMI enable

2

IRQ4 (COM1/COM3) SMI enable

1

IRQ3 (COM2/COM4) SMI enable

0

IRQ1 (keyboard) SMI enable

See Also:

#01064,#01079,#01081,#01167