VT8601 Via, VT8601 Datasheet - Page 31

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

Device 1 Bus 0 Registers - PCI-to-AGP Bridge
PCI Configuration Registers
Revision 1.3 September 8, 1999
Offset Configuration Header
28-3D -reserved- (unassigned)
1F-1E Secondary Status
3F-3E PCI-to-AGP Bridge Control
10-17 -reserved- (base address registers)
21-20 Memory Base
23-22 Memory Limit (Inclusive)
25-24 Prefetchable Memory Base
27-26 Prefetchable Memory Limit
1-0
3-2
5-4
7-6
1A
1B
1C
1D
18
19
A
B
C
D
E
F
8
9
7HFKQRORJLHV ,QF
Vendor ID
Device ID
Command
Status
Revision ID
Program Interface
Sub Class Code
Base Class Code
-reserved- (cache line size)
Latency Timer
Header Type
Built In Self Test (BIST)
Primary Bus Number
Secondary Bus Number
Subordinate Bus Number
-reserved- (secondary latency timer)
I/O Base
I/O Limit
:H &
:H &R R QQHFW
QQHFW
Default Acc
FFF0
FFF0
1106
8601
0007
0220
0000
0000
0000
nn
F0
00
04
06
00
00
01
00
00
00
00
00
00
00
00
00
RW
WC
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
—
—
—
—
-25-
Device-Specific Configuration Registers
Offset AGP Control
43-4F -reserved- (unassigned)
40
41
42
CPU-to-AGP Flow Control 1
CPU-to-AGP Flow Control 2
AGP Master Control
VT8601 Apollo ProMedia
Register Summary Tables
Default Acc
00
00
00
00
RW
RW
RW
—