VT82C686B datasheet(3/128 Pages) ETC1

3 / 128 page

VT82C686B

Revision 1.71 June 9, 2000

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Revision History

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REVISION HISTORY

Document Release

Date

Revision

Initials

Revision 1.6

5/22/00

Initial release based on 82C686A Data Sheet revision 1.6

“CD/CE” info and “CD-CG”silicon revision comments removed

Added Function 0 Rx8 Revision ID of “2x” for 686B

Revision 1.7

6/8/00

Added UDMA100 support to title, feature bullets, and overview

Removed external APIC support, added IRQ0 input & internal THRM# output

Updated pin descriptions: MCCS# (U5/U8 select), GPI3, GPI10, GPI11,

GPO6, GPO10, GPO11, GPO21, GPIOC, GPIOD, CHAS, ATEST,

THRM, LID

Updated bit descriptions F0 Rx8,41[6],59,74[7],75[6],76[4-3],77[4],85[7-6]

Updated bit descriptions F1 Rx41[3-0],42,44[4,2],45[4,1-0],46[5-0],4E-4F,

53-50[28,26-24,20-19,12,4-3],54[5,1,0],70[1-0],74-5,78[1-0],7C-D,C0-7

Updated bit descriptions F2/3 Rx43

Updated bit descriptions F4 Rx41[1], 4D[3], 55[2], 57[0], D2[2]

Updated bit descriptions ACPI I/O Rx5-4[8],

Updated bit descriptions SMBus I/O Rx

Updated bit descriptions F5 Rx

Revision 1.71

6/9/00

Changed Audio / Game / MIDI ports to dedicated pins (SDD removed)

Strap description removed from SPKR pin

VT82C686B Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers