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Format of DEC DC21140/DC21040/DC21041 Tulip {Fast/Plus} Ethernet

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Offset Size Description

00h

64 BYTEs

header (see #00878) (vendor ID 1011h, device ID 0014h)

10h

DWORD

base I/O port for access to control/status registers

14h

DWORD

base memory address for access to control/status registers

40h

DWORD

configuration driver area
bit 31 : sleep mode

only one of bits 31, 30 may be set

bit 30 : snooze mode
bits 15-8 :

device driver's use


See Also:

#00742