Справочник Пользователя для Intel D425 AU80610006252AA

Datasheet 

 49 

B/D/F/Type: 0/0/0/PCI 

Address Offset: 

94h 

Default Value: 

00h 

Access: 

 RO; RW/L; 

Size: 8 

bits 

This register controls the read, write, and shadowing attributes of the BIOS areas 
from 0D8000h- 0DFFFFh. 

 

 

7:6 RO 00b Core 

5:4 RW/L 00b Core 

0DC000-0DFFFF Attribute (HIENABLE):  
This field controls the steering of read and write 
cycles that address the BIOS area from 0DC000 to 
0DFFFF. 
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. 

3:2 RO 00b Core 

1:0 RW/L 00b Core 

0D8000-0DBFFF Attribute (LOENABLE):  
 This field controls the steering of read and write 
cycles that address the BIOS area from 0D8000 to 
0DBFFF. 
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.