Intel 6 SERIES CHIPSET - DATASHEET 01-2011 - Page 396

Chipset Configuration Registers
396 Datasheet
10.1.54 CIR11—Chipset Initialization Register 11
Offset Address: 3344–3347h Attribute: R/W
Default Value: 00000000h Size: 32-bit
10.1.55 CIR33—Chipset Initialization Register 33
Offset Address: 3348–334Bh Attribute: R/W
Default Value: 00000000h Size: 32-bit
10.1.56 CIR34—Chipset Initialization Register 34
Offset Address: 3350–3353h Attribute: R/W
Default Value: 00000000h Size: 32-bit
Bit Description
31:2 Reserved
1:0 CIR11 Field 1 — R/W. BIOS must program this field to 10b.
Bit Description
31:8
Reserved
7
CIR33 Field 8 — R/W. BIOS may write to this bit field for PCIe port 8.
6
CIR33 Field 7 — R/W. BIOS may write to this bit field for PCIe port 7.
5
CIR33 Field 6 — R/W. BIOS may write to this bit field for PCIe port 6.
4
CIR33 Field 5 — R/W. BIOS may write to this bit field for PCIe port 5.
3
CIR33 Field 4 — R/W. BIOS may write to this bit field for PCIe port 4.
2
CIR33 Field 3 — R/W. BIOS may write to this bit field for PCIe port 3.
1
CIR33 Field 2 — R/W. BIOS may write to this bit field for PCIe port 2.
0
CIR33 Field 1 — R/W. BIOS may write to this bit field for PCIe port 1.
Bit Description
31:8
Reserved
7
CIR34 Field 8 — R/W. BIOS may write to this bit field for PCIe port 8.
6
CIR34 Field 7 — R/W. BIOS may write to this bit field for PCIe port 7.
5
CIR34 Field 6 — R/W. BIOS may write to this bit field for PCIe port 6.
4
CIR34 Field 5 — R/W. BIOS may write to this bit field for PCIe port 5.
3
CIR34 Field 4 — R/W. BIOS may write to this bit field for PCIe port 4.
2
CIR34 Field 3 — R/W. BIOS may write to this bit field for PCIe port 3.
1
CIR34 Field 2 — R/W. BIOS may write to this bit field for PCIe port 2.
0
CIR34 Field 1 — R/W. BIOS may write to this bit field for PCIe port 1.