Intel i7-980X BX80613I7980X User Manual
Product codes
BX80613I7980X
Datasheet
43
Register Description
2.6.2
SAD_PAM456
Register for legacy device 0, function 0 94h-97h address space.
Device:
0
Function: 1
Offset:
44h
Access as a Dword
Bit
Type
Reset
Value
Description
21:20
RW
0
PAM6_HIENABLE. 0EC000h-0EFFFFh Attribute (HIENABLE).
This field controls the steering of read and write cycles that address the BIOS
This field controls the steering of read and write cycles that address the BIOS
area from 0EC000h to 0EFFFFh.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
17:16
RW
0
PAM6_LOENABLE. 0E8000-0EBFFF Attribute (LOENABLE).
This field controls the steering of read and write cycles that address the BIOS
This field controls the steering of read and write cycles that address the BIOS
area from 0E8000 to 0EBFFF.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
13:12
RW
0
PAM5_HIENABLE. 0E4000h-0E7FFFh Attribute (HIENABLE).
This field controls the steering of read and write cycles that address the BIOS
This field controls the steering of read and write cycles that address the BIOS
area from 0E4000h to 0E7FFFh.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
9:8
RW
0
PAM5_LOENABLE. 0E0000h-0E3FFFh Attribute (LOENABLE).
This field controls the steering of read and write cycles that address the BIOS
This field controls the steering of read and write cycles that address the BIOS
area from 0E0000h to 0E3FFFh.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
5:4
RW
0
PAM4_HIENABLE. 0DC000h-0DFFFFh Attribute (HIENABLE).
This field controls the steering of read and write cycles that address the BIOS
This field controls the steering of read and write cycles that address the BIOS
area from 0DC000h to 0DFFFFh.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
1:0
RW
0
PAM4_LOENABLE. 0D8000h-0DBFFFh Attribute (LOENABLE).
This field controls the steering of read and write cycles that address the BIOS
This field controls the steering of read and write cycles that address the BIOS
area from 0D8000h to 0DBFFFh.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.
00 = DRAM Disabled: All accesses are directed to ESI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to ESI.
10 = Write Only: All writes are send to DRAM. Reads are serviced by ESI.
11 = Normal DRAM Operation: All reads and writes are serviced by DRAM.