VT8231 datasheet(82/132 Pages) ETC

номер детали	VT8231

подробное описание детали	SOUTH BRIDGE PC99 COMPLIANT

PDF	132 Pages

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производитель	ETC [List of Unclassifed Manufacturers]

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VT8231

Preliminary Revision 0.8 October 29, 1999

-76-

Function 1 Registers - Enhanced IDE Controller

7HFKQRORJLHV ,QF

:H &RQQHFW

Offset 83-80 – Primary S/G Descriptor Address ............RW

Offset 8B-88 – Secondary S/G Descriptor Address ........RW

Offset C3-C0 – PCI PM Block 1 .......................................RO

31-0 PCI PM Block 1.......................... always reads 0201h

Offset C7-C4 – PCI PM Block 2 .......................................RO

31-2 Reserved

........................................ always reads 0

1-0

Power State

00 On

.....................................................default

01 Off

1x -reserved-

IDE I/O Registers

These registers are compliant with the SFF 8038I v1.0

standard. Refer to the SFF 8038I v1.0 specification for further

details.

I/O Offset 0 - Primary Channel Command

I/O Offset 2 - Primary Channel Status

I/O Offset 4-7 - Primary Channel PRD Table Address

I/O Offset 8 - Secondary Channel Command

I/O Offset A - Secondary Channel Status

I/O Offset C-F - Secondary Channel PRD Table Address

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