
82C814
912-3000-047
Revision: 1.0
Page 35
January 08, 1998
OPTi
Table 5-4
CardBus Register Group - PCICFG 60h-74h / MEMOFST 00h-7Fh
7
6
5
4
3
2
1
0
PCICFG 60h / MEMOFST 00h
Socket Event Register - Byte 0
Default = 00h
Reserved:
Write as read.
Power cycle 
complete:
0 = No
1 = Yes
Write 1 to clear
CCD2# 
status change:
0 = No
1 = Yes
Write 1 to clear
CCD1# 
status change:
0 = No
1 = Yes
Write 1 to clear
Reserved:
PCICFG 61h / MEMOFST 01h
Socket Event Register - Byte 1
Reserved: Write as read.
Default = 00h
PCICFG 62h / MEMOFST 02h
Socket Event Register - Byte 2
Reserved: Write as read.
Default = 00h
PCICFG 63h / MEMOFST 03h
Socket Event Register - Byte 3
Reserved. Write as read.
Default = 00h
PCICFG 64h / MEMOFST 04h
Socket Mask Register - Byte 0
Default = 00h
Reserved:
Write as read.
Power cycle 
status change 
event:
0 = Mask
1 = Enable
CCD2# 
status change 
event:
0 = Mask
1 = Enable
CCD1# 
status change 
event:
0 = Mask
1 = Enable
Reserved
PCICFG 65h / MEMOFST 05h
Socket Mask Register - Byte 1
Reserved: Write as read.
Default = 00h
PCICFG 66h / MEMOFST 06h
Socket Mask Register - Byte 2
Reserved: Write as read.
Default = 00h
PCICFG 67h / MEMOFST 07h
Socket Mask Register - Byte 3
Reserved: Write as read.
Default = 00h
PCICFG 68h / MEMOFST 08h
Socket Present State Register (RO) - Byte 0
Default = 00h
Dock recog-
nized - updated 
only on card 
insertion:
0 = Yes
1 = No
PCIRQ# Status
0 = At least one 
of PCIRQ0-3# 
is low
1 = PCIRQ0-3# 
are all high
Device type - updated only on 
card insertion:
11 = Docking station
All other combinations reserved
Power cycle 
status:
0 = Not suc-
cessful
1 = Successful
CCD2-1# state:
00 = Dock attached
01 = No dock attached 
10 = No dock attached
11 = No dock attached
Reserved
PCICFG 69h / MEMOFST 09h
Socket Present State Register - Byte 1
Default = 00h
Reserved:
Write as read.
Reserved
3.3V dock 
detected:
0 = No
1 = Yes
5.0V dock 
0 = No
1 = Yes
Bad VCC 
request (outside 
CVS1-2, 
CCD1-2# 
range):
0 = No
1 = Yes
Data lost (dock 
detached 
before transac-
tion completed):
0 = No
1 = Maybe
PCICFG 6Ah / MEMOFST 0Ah
Socket Present State Register - Byte 2
Reserved: Write as read.
Default = 00h
PCICFG 6Bh / MEMOFST 0Bh
Socket Present State Register - Byte 3 (bits are writeable) 
Default = 30h