VT8601 Via, VT8601 Datasheet - Page 97

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

VGA Extended Registers – CRT Controller Indexed
CRE – CRT Module Test .................................................. RW
CR19 – CRT Interlace Control ........................................ RW
Revision 1.3 September 8, 1999
4-3
1-0
7-0
7
6
5
2
7HFKQRORJLHV ,QF
Extended Memory Access Above 256KB
VGA Misc Output Register (3C2) Write Protect
CRT Start Address Bit-16
Reserved
Interlaced Mode
Reserved for Test (Do Not Program) .... default = 0
Interlaced Vsync Adjust Value
:H &
:H &R R QQHFW
0
1
0
1
0
1
QQHFW
Disable ...................................................default
Enable
Writes to 3C2 Allowed...........................default
Write Protect 3C2
Disable ...................................................default
Enable
....................................... alwatys reads 0
-91
CR1A – Arbitration Control 1 ........................................ RW
CR1B – Arbitration Control 2 ......................................... RW
CR1C – Arbitration Control 3 ........................................ RW
7-0
7-0
7-0
Display Queue Kill Counter .................... default = 0
Controls how many requests can be accepted by the
arbiter before changing the owner to another agent
(00 disables the counter).
High Priority Arbiter Kill Counter ........ default = 0
Controls how many requests can be accepted by the
arbiter before changing the owner to another agent
(00 disables the counter).
Low Priority Arbiter Kill Counter ......... default = 0
Controls how many requests can be accepted by the
arbiter before changing the owner to another agent
(00 disables the counter).
VT8601 Apollo ProMedia
VGA Extended Registers