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Bitfields for Intel 82371FB/82371SB miscellaneous status register

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Bit Description

15

(82371SB) enable SERR# on delayed transaction
write 1 to clear this bit

14 - 8

reserved

7

(82371SB) NB Retry Enable

6

(82371SB) EXTSMI# Mode Enable
allow special SERR# protocol between PCI bridge and 82371

5

reserved

4

(82371SB) enable USB
disable USB's master enable and I/O decode enable prior to clearing this bit!

3

reserved

2

(82371FB) PCI Header Type Bit enable
1 = report multifunction device in PCI configuration header

1

(82371FB) internal ISA DMA/external DMA Mode status (read-only)
0 = normal DMA operation

0

(82371FB) ISA Clock Divisor status (read-only)
(82371SB) ISA Clock Divisor (read-write)
0 = SYSCLK clock divisor is 4
1 = SYSCLK clock divisor is 3

See Also:

#01167,#01216