VT8601 Via, VT8601 Datasheet - Page 35

• Manufacturer Part Number: VT8601
• Description: Slot-1 / Socket-370 PCI North Bridge
• Manufacturer: Via

Extended Registers – VGA Sequencer Indexed
Revision 1.3 September 8, 1999
Port
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
7HFKQRORJLHV ,QF
5A-5F Scratch Pad 0-5
1C-1F -reserved-
Index Extended Sequencer Regs
13-17 -reserved-
23-22 Signature Data
26-36 -reserved-
39-4F -reserved-
52-50 Playback Color Key Data
56-54 Playback Color Key Mask
58-59 -reserved-
62-60 2
66-64 2
67-7F -reserved-
:H &
:H &R R QQHFW
1A
1B
10
11
12
18
19
20
21
24
25
37
38
53
57
63
A
D
D
B
C
C
E
E
8
9
F
QQHFW
Old-New Status
Graphics Controller Version
-reserved-
Version/Old-New Mode Ctrl
Configuration Port 1
Configuration Port 2
Old Mode Control 2
New Mode Control 2
Old Mode Control 1
New Mode Control 1
Power-up Mode 2
VESA™ Big BIOS Control
Protection
Threshold
VCLK1 Frequency Control 0
VCLK1 Frequency Control 1
VCLK2 Frequency Control 0
VCLK2 Frequency Control 1
Clock Syn / RAMDAC Setup
Signature Control
Power Management Ctrl
Monitor Sense
Video Key Mode
Feature Connector Control
-reserved-
Playback Vid Key Mode
-reserved-
nd
nd
Playback Color Key Data
Playback ColorKey Mask
Default Acc
A8
BF
F3
B7
0E
00
58
—
—
20
10
40
00
00
21
—
00
00
00
00
—
00
00
—
—
—
00
00
—
—
—
—
—
—
—
—
—
—
—
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—
—
—
—
—
—
—
—
—
R
R
R
R
-29-
Port
Port
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5 AD-AC VBI V Interrupt Position
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5
3C5 DB-DA W2 V Count Status
3C5 DD-DC Dual View Control
3C5
3C5
AB-A8 VBI Capture End
AF-AE Capture Row Byte Offset
BF-CD -reserved-
DF-DE W1 V Count Status
BA-B8 2
D1-D0 Row Byte Offset (W2-UV)
D4-D2 W2 U-Frame Start Address
D7-D5 W2 V-Frame Start Address
D9-D8 Digital TV Interface Control
8C-8B W2 V Scaling Factor
9B-9A Vid Row Byte Off. (W1-UV)
9D-9C Vid Row Byte Offset (W2-Y)
A3-A0 VBI Frame Buffer Address
A7-A4 VBI Capture Start
B1-B0 Window 1 HSB Control
B3-B2 Window 2 HSB Control
B6-B4 2
E0-FF -reserved-
8A-89 W2 H Scaling Factor
90-8D W2 Live Video Start
Index New Video Display Regs
82-80 W1 U FB Start Address
85-83 W1 V FB Start Address
88-86 W2 FB Start Address
94-91 W2 Live Video End
Index Reserved Registers
BD
BB
BC
BE
CE
B7
CF
9E
9F
95
96
97
98
99
W2 Live Vid Line Buf Level
New Live Video Win Ctrl 0
New Live Video Win Ctrl 1
New Live Video Win Ctrl 2
New Live Video Win Ctrl 3
Line Buf Req Threshold
VBI Control
Video Sharpness
-reserved-
Contrast Control
Dual View MUX Control
Miscellaneous Control Bits
Window 2 Live Video Ctrl
-reserved-
nd
nd
Display Addr Select
Capture Addr Select
VT8601 Apollo ProMedia
Register Summary Tables
Default Acc
Default Acc
—
—
—
—
—
—
—
—
00
00
00
00
—
—
00
—
—
—
—
—
—
—
—
—
—
—
—
—
—
00
—
00
—
—
—
—
—
—
—
—
—
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—
—
—
R
R