Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
BIOS Decode Enable (BIOS_SPI_BDE) – Offset d8
This register only effects BIOS decode if BIOS is resident on SPI.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
30:16 | - | - | Reserved
|
15 | 1b | RO | F8-FF Enable (EF8) Enables decoding of 512K of the following BIOS ranges: |
14 | 1b | RW | F0-F8 Enable (EF0) Enables decoding of 512K of the following BIOS ranges: |
13 | 1b | RW | E8-EF Enable (EE8) Enables decoding of 512K of the following BIOS ranges: |
12 | 1b | RW | E0-E8 Enable (EE0) Enables decoding of 512K of the following BIOS ranges: |
11 | 1b | RW | D8-DF Enable (ED8) Enables decoding of 512K of the following BIOS ranges: |
10 | 1b | RW | D0-D7 Enable (ED0) Enables decoding of 512K of the following BIOS ranges: |
9 | 1b | RW | C8-CF Enable (EC8) Enables decoding of 512K of the following BIOS ranges: |
8 | 1b | RW | C0-C7 Enable (EC0) Enables decoding of 512K of the following BIOS ranges: |
7 | 1b | RW | Legacy F Segment Enable (LFE) Legacy F Segment Enable (LFE): This enables the decoding of the |
6 | 1b | RW | Legacy E Segment Enable (LEE) Legacy E Segment Enable (LFE): This enables the decoding of the |
5:4 | - | - | Reserved
|
3 | 1b | RW | 70-7F Enable (E70) Enables decoding of 1MB of the following BIOS ranges: |
2 | 1b | RW | 60-6F Enable (E60) Enables decoding of 1MB of the following BIOS ranges: |
1 | 1b | RW | 50-5F Enable (E50) Enables decoding of 1MB of the following BIOS ranges: |
0 | 1b | RW | 40-4F Enable (E40) Enables decoding of 1MB of the following BIOS ranges: |