System Support
Table
Table
PCI Component Configuration Access
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| PCI Bus | IDSEL |
PCI Component | Notes | Function # | Device # | # | Wired to: |
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Q45 GMCH: |
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Host/DMI Bridge |
| 0 | 28 | 0 |
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Host/PCI Expr. Bridge |
| 0 | 1 | 0 |
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Integrated Graphics Cntlr. |
| 0 | 2 | 0 |
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PCI Express x16 graphics slot |
| 0 | 0 | 1 | |
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82801 ICH10 |
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PCI Bridge |
| 0 | 30 | 0 |
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LPC Bridge |
| 0 | 31 | 0 |
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SATA Controller #1 |
| 2 | 31 | 0 |
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SMBus Controller |
| 3 | 31 | 0 |
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SATA/eSATA Controller #2 | [5] | 5 | 31 | 0 |
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Thermal System |
| 6 | 31 | 0 |
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USB 1.1 Controller #1 |
| 0 | 29 | 0 |
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USB 1.1 Controller #2 |
| 1 | 29 | 0 |
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USB 1.1 Controller #3 |
| 2 | 29 | 0 |
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USB 1.1 Controller #4 |
| 0 | 26 | 0 |
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USB 1.1 Controller #5 |
| 1 | 26 | 0 |
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USB 1.1 Controller #6 |
| 3 [2] | 29 [2] |
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USB 2.0 Controller #1 |
| 7 | 29 | 0 |
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USB 2.0 Controller #2 |
| 7 | 26 | 0 |
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GbE NIC |
| 0 | 25 | 0 |
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Intel HD audio controller |
| 0 | 27 | 0 |
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PCIe port 1 | [3] | 0 | 28 | 0 |
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PCIe port 2 | [1] | 1 | 28 | 0 |
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PCIe port 3 | [1] | 2 | 28 | 0 |
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PCIe port 4 | [1] | 3 | 28 | 0 |
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PCIe port 5 |
| 4 | 28 | 0 |
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PCIe port 6 |
| 5 | 28 | 0 |
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PCI 2.3 slot 1 | [3] | 0 | 4 | 7 | AD16 |
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PCI 2.3 slot 2 | [3] | 0 | 11 | 7 | AD17 |
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PCI 2.3 slot 3 | [4] | 0 | 10 | 7 | AD18 |
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PCIe x1 slot 1 | [3] | 0 | 0 | 32 |
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PCIe x1 slot 2 | [3] | 0 | 0 | 48 |
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NOTES:
[1]Function not used in these systems.
[2]USB 1.1 controllers in 6+6 configuration. 8+4 configuration will have USB 1.1 controller #6 use Function 26, Device 2.
[3]SFF and CMT form factors only.
[4]CMT form factor only
[5]Function is only visible in IDE mode (not visible in AHCI orRAID SATA emulation mode).
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