Intel E3815 FH8065301567411 Data Sheet

Product codes
FH8065301567411
Page of 5308
 
Intel
®
 Atom™ Processor E3800 Product Family
Datasheet
333
13.3.11
BSMMRRL—Offset 2Eh
Bunit System Management Range Register Low The SMM space is used to protect BIOS 
or other embedded code from corruption by the operating system. As such, the ranges 
below only should be set to cover memory space that is mapped into DRAM.
Access Method
Default: 00000000h
Type: 
Message Bus Register
(Size: 32 bits)
Offset: 
Op Codes:
h - Read, h - Write
31
28
24
20
16
12
8
4
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RES
E
RVE
D
_0
SMMS
TA
R
T
Bit 
Range
Default & 
Access
Field Name (ID): Description
31:16
000h
RO
RESERVED_0: 
Reserved
15:0
000h
RW
SMMSTART: 
Lower Bound (SMMStart): These bits are compared with bits 35:20 of the 
incoming address to determine the lower 1MB aligned value of the protected range.