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Format of PCI Configuration Data for Intel 82371AB (PIIX4), IDE Controller

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Offset Size Description

00h

64 BYTEs

header (see #00878) (vendor ID 8086h, device ID 7111h)

40h

WORD

primary channel timing register

42h

WORD

secondary channel timing register

44h

BYTE

slave IDE timing

45h

3 BYTEs

reserved???

48h

BYTE

Ultra DMA/33 control

49h

BYTE

reserved???

4Ah

WORD

Ultra DMA/33 timing

4Ch

180 BYTEs

reserved

See Also:

#00873,#01100,#01104,#01105