VT8601 Via, VT8601 Datasheet - Page 105

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

CR81-80 – Window 1 Horizontal Scaling Factor ........... RW
CR83-82 – Window 1 Vertical Scaling Factor ................ RW
Revision 1.3 September 8, 1999
14-13 Tap 1
12-10 Horizontal Minify Integer (Inverter), Hsrc/Hdst – 1
13-10 Reserved
13-0 Horizontal Zoom Factor, (Hdst/(Hsrc-2)-1) * 1024
9-0
9-0
15
15
14
7HFKQRORJLHV ,QF
Horizontal Minify / Zoom Enable
Minify Enabled:
Horizontal Minify Factor, (Hdst/Hsrc) * 1024
Zoom Enabled:
Vertical Minify / Zoom Enable
Vertical Filtering
Vertical Minify / Zoom Factor (Vdst/Vsrc) * 1024
:H &
:H &R R QQHFW
0
1
0
1
0
1
QQHFW
Horizontal Zoom Enable ........................default
Horizontal Minify Enable
Vertical Zoom Enable ............................default
Vertical Minify Enable
Disable ...................................................default
Enable
........................................ always reads 0
-99
CR89-86 – Window 1 Video Window Start .................... RW
CR8D-8A – Video Window End ...................................... RW
31-28 Reserved
27-16 Video Window Vertical Start
15-12 Reserved
31-28 Reserved
27-16 Video Window Vertical End
15-12 Reserved
11-0 Video Window Horontal Start
11-0 Video Window Horontal End
In pixel delays from the edge of VSYNC
In pixel delays from the rising edge of HSYNC
In pixel delays from the edge of VSYNC
In pixel delays from the rising edge of HSYNC
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
VT8601 Apollo ProMedia
VGA Extended Registers