Product specifications
VT8601A Apollo PLE133
Revision 1.82 October 22, 2001 -29- Register Summary Tables
Technologies, Inc.
Delivering Value
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Extended Registers – VGA Sequencer Indexed
Port
Index Extended Sequencer Regs Default Acc
3C5 8 Old-New Status 00
R
3C5 9 Graphics Controller Version
58 R
3C5 A -reserved- — —
3C5 B Version/Old-New Mode Ctrl
F3
RW
3C5 C Configuration Port 1
B7
RW
3C5 C Configuration Port 2 — RW
3C5 D Old Mode Control 2
20
RW
3C5 D New Mode Control 2
10
RW
3C5 E Old Mode Control 1
A8
RW
3C5 E New Mode Control 1
40
RW
3C5 F Power-up Mode 2
BF
RW
3C5 10 VESA™ Big BIOS Control 00 RW
3C5 11 Protection 00 RW
3C5 12 Threshold
21
RW
3C5 13-17 -reserved- — —
3C5 18 VCLK1 Frequency Control 0 00 RW
3C5 19 VCLK1 Frequency Control 1 00 RW
3C5 1A VCLK2 Frequency Control 0 00 RW
3C5 1B VCLK2 Frequency Control 1 00 RW
3C5 1C-1F -reserved- — —
3C5 20 Clk Syn / RAMDAC Setup 00 RW
3C5 21 Signature Control 00 RW
3C5 23-22 Signature Data —
R
3C5 24 Power Management Ctrl
0E
RW
3C5 25 Monitor Sense —
R
3C5 26-36 -reserved- — —
3C5 37 Video Key Mode 00 RW
3C5 38 Feature Connector Control 00 RW
3C5 39-4F -reserved- — —
3C5 52-50 Playback Color Key Data — RW
3C5 53 -reserved- — —
3C5 56-54 Playback Color Key Mask — RW
3C5 57 Playback Vid Key Mode Fun — RW
3C5 58-59 -reserved- — —
3C5 5A-5F Scratch Pad 0-5 — RW
3C5 62-60 2
nd
Playback Color Key Data — RW
3C5 63 -reserved- — —
3C5 66-64 2
nd
Playback ColorKey Mask — RW
3C5 67-7F -reserved- — —
Port
Index New Video Display Regs Default Acc
3C5 82-80 W1 U FB Start Address — RW
3C5 85-83 W1 V FB Start Address — RW
3C5 88-86 W2 FB Start Address — RW
3C5 8A-89 W2 H Scaling Factor — RW
3C5 8C-8B W2 V Scaling Factor — RW
3C5 90-8D W2 Live Video Start — RW
3C5 94-91 W2 Live Video End — RW
3C5 95 W2 Live Vid Line Buf Level — RW
3C5 96 New Live Video Win Ctrl 0 00 RW
3C5 97 New Live Video Win Ctrl 1 00 RW
3C5 98 New Live Video Win Ctrl 2 00 RW
3C5 99 New Live Video Win Ctrl 3 00 RW
3C5 9B-9A Vid Row Byte Off. (W1-UV) — RW
3C5 9D-9C Vid Row Byte Offset(W2-Y) — RW
3C5 9E Line Buf Req Threshold 00 RW
3C5 9F VBI Control — RW
3C5 A3-A0 VBI Frame Buffer Address — RW
3C5 A7-A4 VBI Capture Start — RW
3C5 AB-A8 VBI Capture End — RW
3C5
AD-AC
VBI V Interrupt Position — RW
3C5 AF-AE Capture Row Byte Offset — RW
3C5 B1-B0 Window 1 HSB Control — RW
3C5 B3-B2 Window 2 HSB Control — RW
3C5 B6-B4 2
nd
Display Addr Select — RW
3C5 B7 Video Sharpness — RW
3C5 BA-B8 2
nd
Capture Addr Select — RW
3C5 BB -reserved- — —
3C5 BC Contrast Control — RW
3C5 BD Dual View MUX Control — RW
3C5 BE Miscellaneous Control Bits 00 RW
3C5 BF-CD -reserved- — —
3C5 CE Window 2 Live Video Ctrl 00 RW
3C5 CF -reserved- — —
3C5 D1-D0 Row Byte Offset (W2-UV) — RW
3C5 D4-D2 W2 U-Frame Start Address — RW
3C5 D7-D5 W2 V-Frame Start Address — RW
3C5 D9-D8 Digital TV Interface Control — RW
3C5
DB-DA
W2 V Count Status —
R
3C5
DD-DC
Dual View Control — RW
3C5 DF-DE W1 V Count Status —
R
Port
Index Reserved Registers Default Acc
3C5 E0-FF -reserved- — RW