QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 166

• Manufacturer Part Number: QG82945GSE S LB2R
• Description: GRAPHICS AND MEM CNTRL HUB; No. of Pins: 998; Package / Case: FCBGA; Interface Type: PCI, SATA, USB
• Manufacturer: Intel

6.3.1
6.3.2
166
CLKCFG - Clocking Configuration
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
UPMC1 - Unit Power Management Control 1
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
30:28
27:18
16:14
11:8
7:7
6:4
3:3
2:0
Bit
31
17
13
12
Access
R/W/L
R/W/L
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
Default
Value
000b
000h
100b
N/A
N/A
0b
0b
0b
0b
0h
0h
0b
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Memory Frequency Select:
010 = 400
011 = 533
100 = 667
Others = Reserved
Reserved
FSB Frequency Select:
Reflects the State of BSEL pins froms the Processor. BSEL(2:0)
selects the FSB frequency as defined below.
000: FSB400
001: FSB533
011: FSB667
Others: Reserved
Attempts to strap values to unsupported frequencies will shut
down the host PLL.
0/0/0/MCHBAR
C00-C03h
000100_0xxx__0xxx_h
R/W; R/W/L; RO
32 bits
0/0/0/MCHBAR
C14-C15h
0323h
R/W; RO
16 bits
Description
Device 0 Memory Mapped I/O Register
Datasheet