QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 99
QG82945GSE S LB2R
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
Datasheet
1.AU80586GE025DSLB73.pdf
(482 pages)
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Host Bridge Device 0 - Configuration Registers (D0:F0)
5.1.22
Datasheet
PAM4 - Programmable Attribute Map 4
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
This register controls the read, write, and shadowing attributes of the BIOS areas from
0D8000h-0DFFFFh.
7:6
5:4
3:2
1:0
Bit
Access
R/W/L
R/W/L
RO
RO
Default
Value
00b
00b
00b
00b
Reserved
0DC000h-0DFFFFh Attribute (HIENABLE):
This field controls the steering of read and write cycles that
address the BIOS area from 0DC000h to 0DFFFFh.
00: DRAM Disabled: Accesses are directed to DMI.
01: Read Only: All reads are serviced by DRAM. All writes are
forwarded to DMI.
10: Write Only: All writes are sent to DRAM. Reads are serviced
by DMI.
11: Normal DRAM Operation: All reads and writes are serviced by
DRAM.
Reserved
0D8000h-0DBFFFh Attribute (LOENABLE):
This field controls the steering of read and write cycles that
address the BIOS area from 0D8000h to 0DBFFFh.
00: DRAM Disabled: Accesses are directed to DMI.
01: Read Only: All reads are serviced by DRAM. All writes are
forwarded to DMI.
10: Write Only: All writes are sent to DRAM. Reads are serviced
by DMI.
11: Normal DRAM Operation: All reads and writes are serviced by
DRAM.
0/0/0/PCI
94h
00h
R/W/L; RO
8 bits
Description
99
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