
82C814
OPTi
Table of Contents (cont.)
Page iv 
January 08, 1998
912-3000-047
Revision: 1.0
4.7
PCI Docking Station Operation .......................................................................................................17
4.7.1
Introduction...........................................................................................................................17
4.7.2
Procedure.............................................................................................................................17
4.7.3
Initial Setup...........................................................................................................................17
4.7.4
Action Upon Attachment of Dock..........................................................................................18
4.8
Status Change Service Routine ......................................................................................................19
4.8.1
Docking Event ......................................................................................................................19
4.8.2
Undocking Event ..................................................................................................................19
4.8.3
Notes on Undocking.............................................................................................................19
4.8.4
Retest...................................................................................................................................19
4.8.5
PCI Clock Buffering..............................................................................................................20
4.9
Interrupt Support ..............................................................................................................................20
4.9.1
PCI INTx# Implementation ...................................................................................................20
4.9.2
IRQ Driveback Logic.............................................................................................................20
4.9.3
Compaq Serial IRQ Implementation.....................................................................................21
4.9.3.1
Operation ..............................................................................................................21
5.0
82C814 Register Set ...................................................................................................... 23
5.1
Register State on Device Removal..................................................................................................23
5.2
Base Register Group........................................................................................................................23
5.3
82C814-Specific Register Group.....................................................................................................31
5.3.1
CLKRUN#.............................................................................................................................31
5.3.2
Slot Buffer Enable, Slew Rate, and Threshold Control.........................................................31
5.3.3
Dual ISA Buses ....................................................................................................................31
5.4
CardBus Register Group..................................................................................................................34
5.4.1
Power Control.......................................................................................................................34
5.5
Docking Station Window Selection Group.....................................................................................36
5.5.1
Docking Station Window Registers ......................................................................................36
5.5.1.1
Cycle Decoding.....................................................................................................37
5.5.1.2
Cycle Trapping......................................................................................................37
5.5.1.3
ISA Window Selection...........................................................................................37
5.6
PCI Power Management Register Group........................................................................................41