Pci Configuration - NEC Express5800/R120d-2E User Manual

Chapter 4 Appendix
2.

PCI Configuration

Bus Number
If Enabled (factory setting) is specified for Advanced → PCI Configuration → PCI Bus Static Allocation in
BIOS SETUP, PCI bus numbers are assigned as shown below:
8(08h)
16(10h) - 31(1Fh)
32(20h) - 47(2Fh)
48(30h) - 63(3Fh)
64(40h) - 79(4Fh)
80(50h) - 95(5Fh)
96(60h) - 124(7Ch)
125(7Dh)
( ): Hexadecimal notation
If Disabled is specified for Advanced → PCI Configuration → PCI Bus Static Allocation in BIOS SETUP,
PCI bus numbers are not unique, but assigned in the order as shown below:
Onboard LAN
Correspondence between device numbers and function numbers of onboard LAN is as shown below:
158
Range of PCI bus
number
Onboard LAN 1/2/3/4 controller
PCI card installed in slot PCI1A
PCI card installed in slot PCI1B
PCI card installed in slot PCI2B
PCI card installed in slot PCI3B
PCI card installed in slot PCI1C
PCI card installed in slot PCI2C
Onboard VGA controller
Order Onboard / PCI board
1 PCI board installed in slot PCI1A
2 PCI board installed in slot PCI1B
3 PCI board installed in slot PCI2B
4 PCI board installed in slot PCI3B
5 Onboard LAN 1/2/3/4 controller
6 Onboard VGA controller
7 PCI board installed in slot PCI1C
8 PCI board installed in slot PCI2C
Device number
Onboard LAN
(Device#)
1
2
3
4
Express5800/R120d-2E User's Guide
Onboard / PCI board
Function number
(Function#)
0 0
0 1
0 2
0 3
2. PCI Configuration