HP dc7800 PCI Component Configuration Access PCI Bus, PCI Component Function # Device # Wired to

System Support

Table 4-1 shows the standard configuration of device numbers and IDSEL connections for components and slots residing on a PCI 2.3 bus.

Table 4-1

PCI Component Configuration Access

				PCI Bus	IDSEL
PCI Component	Notes	Function #	Device #	#	Wired to:
Q35 GMCH:					--
Host/DMI Bridge		0	28	0
Host/PCI Expr. Bridge		0	1	0
Integrated Graphics Cntlr.		0	2	0
PCI Express x16 graphics slot		0	0	1	--
82801EB ICH9					--
PCI Bridge		0	30	0
LPC Bridge		0	31	0
Serial ATA Controller #1		2	31	0
SMBus Controller		3	31	0
Serial ATA Controller #2	[1]	5	31	0
Thermal System		6	31	0
USB 1.1 Controller #1		0	29	0
USB 1.1 Controller #2		1	29	0
USB 1.1 Controller #3		2	29	0
USB 1.1 Controller #4		3 [2]	29 [2]	0
USB 1.1 Controller #5		1	26	0
USB 2.0 Controller #1		7	29	0
USB 2.0 Controller #2		7	26	0
Network Interface Controller		0	25	0
Intel HD audio controller		0	27	0
PCIe port 1		0	28	0
PCIe port 2	[3]	1	28	0
PCIe port 3	[1]	2	28	0
PCIe port 4	[1]	3	28	0
PCIe port 5	[1]	4	28	0
PCIe port 6		5	28	0
PCI 2.3 slot 1	[3]	0	4	7	AD20
PCI 2.3 slot 2	[3]	0	11	7	AD25
PCI 2.3 slot 3	[4]	0	10	7	AD27
PCIe x1 slot 1	[3]	0	0	32
PCIe x1 slot 2	[3]	0	0	48

NOTES:

[1]Function not used in these systems.

[2]Mapping for USB 1.1 Controller #4 if USB ports 9 and 10 and USB 2.0 Controller #2 are disabled. Otherwise, mapping for USB 1.1 controller #4 is F0:D25.

[3]SFF and CMT form factors only.

[4]CMT form factor only

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