User guide

PH440 NLX Motherboard User Guide September 1998
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
07 3 18
Power management &
SMbus controllers
10
6
0 16 AGP video controller
PCI Arbitration
PIIX4e request
level
Bus Function
00PCI slot 1
10PCI slot 2
20PCI slot 3
30PCI 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.