PC4-PRESTO • CompactPCI
®
PlusIO • 4
th
Generation Intel
®
Core™-4xxx Processor
Technical Reference
Local PCI Devices
The following table shows the on-board PCI devices and their location within the PCI configuration
space. Several devices are part of the processor and platform controller hub QM87.
Bus #
Device #
Function #
Vendor ID
Device ID
Description
0
0
0
0x8086
0x0C04
Processor Host Bridge/DRAM Controller
0
1
0
0x8086
0x0C01
Processor PCI Express Controller
0
1
1
0x8086
0x0C05
Processor PCI Express Controller
0
2
0
0x8086
0x0416
Processor Integrated Graphics Device
0
3
0
0x8086
0x0C0C
Audio Controller
0
20
0
0x8086
0x8C31
USB xHCI Controller
0
22
0
0x8086
0x8C3A
Intel ME Interface #1
0
22
1
0x8086
0x8C3B
Intel ME Interface #2
0
22
2
0x8086
0x8C3C
Intel ME IDE Redirection
0
22
3
0x8086
0x8C3D
Intel ME Keyboard Text Redirection
0
25
0
0x8086
0x153A
PCH Gigabit LAN NC1 (i217LM)
0
26
0
0x8086
0x8C2D
USB EHCI Controller #2
0
27
0
0x8086
0x8C20
Intel High Definition Audio Controller
0
28
0
0x8086
0x8C10
PCH PCI Express Port 1
0
28
3
0x8086
0x8C16
PCH PCI Express Port 4
0
28
4
0x8086
0x8C18
PCH PCI Express Port 5
0
29
0
0x8086
0x8C26
USB EHCI Controller #1
0
31
0
0x8086
0x8C4F
LPC Bridge
0
31
2
0x8086
0x8C01
0x8C03
0x1E07
SATA: Non-AHCI/Non-RAID (Ports 0-3)
1)
SATA: AHCI Mode
1)
SATA: RAID Capable
2)
0
31
3
0x8086
0x8C22
SMBus Controller
0
31
5
0x8086
0x8C09
SATA: Non-AHCI/Non-RAID (Ports 4/5)
0
31
6
0x8086
0x8C24
Thermal Controller
1
3)
00
0
0x1B4B
0x9230
SATA Host Controller (88SE9230)
2
3)
00
0
0x8086
0x157B
Ethernet Controller NC2 (i210IT)
3
3)
00
0
0x10B5
0x8618
PCIe Switch Root Port (PEX8618)
4
3)
01,02,04 ...
0
0x10B5
0x8618
PCIe Switch Downstream Ports (PEX8618)
5
3)
00
0
0x8086
0x157B
Ethernet Controller NC3 (i210IT)
6
3)
00
0
0x8086
0x157B
Ethernet Controller NC4 (i210IT)
1)
Depends on BIOS settings.
2)
Depending on BIOS settings different RAID modes may lead to other Device IDs.
3)
Bus number can vary depending on the PCI enumeration schema implemented in BIOS.
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