Product specifications

CN333 Data Sheet
Revision 1.0, January 5, 2005 -65- Device 0 Function 7 Register Descriptions – V-Link
Graphics Aperture Control
Offset 85-84 – Graphics Aperture Size (0000h)..............RW
15-12 Reserved ........................................ always reads 0
11-0 Graphics Aperture Size [31:20] .......... default = 00h
111100111111 4MB
111100111110 8MB
111100111100 16MB
111100111000 32MB
111100110000 64MB
111100100000 128MB
111100000000 256MB
111000000000 512MB
110000000000 1GB
100000000000 2GB <= Max supported
000000000000 4GB <= Do not program
In AGP 2.0 mode, only 4MB - 256MB are supported
Offset 88 – GART Base (00h)...........................................RW
7-2 Reserved ........................................ always reads 0
1 GART Window Access
0 Disable ...................................................default
1 Enable
0 Reserved ........................................ always reads 0
V-Link CKG Control
Offset B0 – V-Link CKG Control 1 (00h) ...................... RW
7 Rise Time Duty Cyclc Control - V-Link #1 R-Port
6 Rise Time Duty Cyclc Control - V-Link #0 R-Port
5 Fall Time Duty Cyclc Control - V-Link #1 R-Port
4 Fall Time Duty Cyclc Control - V-Link #0 R-Port
3 Rise Time Duty Cyclc Control - V-Link #1 S-Port
2 Rise Time Duty Cyclc Control - V-Link #0 S-Port
1 Fall Time Duty Cyclc Control - V-Link #1 S-Port
0 Fall Time Duty Cyclc Control - V-Link #0 S-Port
Offset B1 – V-Link CKG Control 2 (00h) ...................... RW
7-4 Reserved ........................................always reads 0
3 Rise Time Duty Cyclc Control - V-Link #1 D-Port
2 Rise Time Duty Cyclc Control - V-Link #0 D-Port
1 Fall Time Duty Cyclc Control - V-Link #1 D-Port
0 Fall Time Duty Cyclc Control - V-Link #0 D-Port