Intel D425 AU80610006252AA User Manual

Datasheet 

 51 

B/D/F/Type: 0/0/0/PCI 

Address Offset: 

96h 

Default Value: 

00h 

Access: 

 RO; RW/L; 

Size: 8 

bits 

This register controls the read, write, and shadowing attributes of the BIOS areas 
from 0E8000h- 0EFFFFh. 

 

 

7:6 RO  00b Core 

5:4 RW/L  00b  Core 

0EC000-0EFFFF Attribute (HIENABLE):  
 This field controls the steering of read and 
write cycles that address the BIOS area from 
0E4000 to 0E7FFF. 
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 

0E8000-0EBFFF Attribute (LOENABLE):  
 This field controls the steering of read and 
write cycles that address the BIOS area from 
0E0000 to 0E3FFF. 
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.