Bus# Dev# Fn# Device#
0 9 0 Advanced memory buffer memory-mapped registers (visible via
JTAG/SMBus only)
0 16 0 FSB controller, interrupt and system address registers
0 16 1 Address mapping, memory control, error logs
0 16 2 FSB error registers
0 17 0 Coherency engine and data manager registers
0 19 0 Debug and miscellaneous registers
0 21 0 FBD branch 0 memory map, error flag/mask, and channel control
registers
0 22 0 FBD branch 1 memory map, error flag/mask, and channel control
registers
0 27 0 High definition audio controller
0 28 0 Port 1 PCI Express x4 to slot 2 (secondary bus: 8)
0 28 1 (PCI Express port 2, hidden)
0 28 2 (PCI Express port 3, hidden)
0 28 3 (PCI Express port 4, hidden)
0 29 0 USB UHCI controller #1
0 29 1 USB UHCI controller #2
0 29 2 USB UHCI controller #3
0 29 3 USB UHCI controller #4
0 29 7 USB 2.0 EHCI controller
0 30 0 PCI to PCI bridge (secondary bus: 1, to slot 5 and 6)
0 30 2 AC97 audio controller
0 31 0 LPC controller
0 31 1 IDE controller
0 31 2 SATA controller
0 31 3 SMBus controller
1 4 x Slot 5 (PCI)
1 9 x Slot 6 (PCI)
M(16) 0 0 PCI Express upstream port (secondary bus: P)
P(30) 0 0 PCI Express downstream port E1 (secondary bus: Q) to slot 4
(x8')
P(30) 1 0 PCI Express downstream port E2 (secondary bus: NIC) to LOM
P(30) 2 0 PCI Express downstream port E3 (secondary bus: S, internal, not
used)
31 0 0 Broadcom LOM (NIC)
Table H-1 PCI device list (continued)
ENWW PCI bus layout and device list 197
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