P H 4 4 0 N L X M o t h e r b o a r d U s e r G u i d e
S e p t e m b e r 1 9 9 8
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION
PAGE 28 OF 51
INTC#
Audio & Slots
INTD#
Video & slots
PCI Device Selection (motherboard devices)
Bus
number
Device
number
(decimal)
Function
number
Address
line
Function
0
0
0
11
Host bridge
0
1
0
12
PCI to PCI bridge
0
6
0
17
PCI Audio CODEC
0
7
0
18
South bridge
0
7
1
18
IDE controller
0
7
2
18
USB controller
0
7
3
18
Power management &
SMbus controllers
1
0
6
0
16
AGP video controller
PCI Arbitration
PIIX4e request
level
Bus
Function
0
0
PCI slot 1
1
0
PCI slot 2
2
0
PCI slot 3
3
0
PCI slot 4
4
0
PCI audio CODEC
Note that the arbiter implements a round robin scheme and thus no request level has fixed
priority over another. The AGP video controller does not consume any PCI bandwidth and
competes for memory resource independently.
6
PCI to PCI bridges translate address lines from AD16. The host bridge translates
address lines from AD11.
