Intel 81342 Developer's Manual page 446

4 . 9 . 2 5 M U M S I - X T a b l e M e s s a g e A d d r e s s R e g i s t e r s - M _ M T _ M A R [ 0 : 7 ]
T h e M U M S I - X T a b l e M e s s a g e A d d r e s s R e g i s t e r c o n t a i n s t h e l o w e r 3 0 b i t s o f t h e M S I - X
m e s s a g e a d d r e s s . A n e n t r y i n t h e M S I - X T a b l e i s m a d e u p o f f o u r D W O R D s .
N o t e : T h e M _ M T _ M A R [ 0 : 7 ] r e g i s t e r s a r e n o t r e s e t w i t h a n i n t e r n a l b u s r e s e t .
T a b l e 2 8 9 . M U M S I - X T a b l e M e s s a g e A d d r e s s R e g i s t e r s - M _ M T _ M A R [ 0 : 7 ]
31
IOP
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rv rv
Attributes
PCI
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rv rv
Attributes
M U / P C I B a s e A d d r e s s
O f f s e t
1 0 0 0 H
M _ M T _ M A R 0
1 0 1 0 H
M _ M T _ M A R 1
1 0 2 0 H
M _ M T _ M A R 2
1 0 3 0 H
M _ M T _ M A R 3
1 0 4 0 H
M _ M T _ M A R 4
1 0 5 0 H
M _ M T _ M A R 5
1 0 6 0 H
M _ M T _ M A R 6
1 0 7 0 H
M _ M T _ M A R 7
B i t D e f a u l t
3 1 : 0 2 0 0 0 0 0 0 0 0 H M e s s a g e L o w e r A d d r e s s : T h i s f i e l d c o n t a i n s t h e l o w e r 3 0 b i t s o f t h e M S I - X M e s s a g e A d d r e s s .
0 1 : 0 0 0 0 R e s e r v e d .
2
®
I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 I / O P r o c e s s o r s
D e v e l o p e r ' s M a n u a l
4 4 6
28 24 20
i n t e r n a l b u s a d d r e s s
o f f s e t
M _ M T _ M A R 0 5 0 0 0 H
M _ M T _ M A R 1 5 0 1 0 H
M _ M T _ M A R 2 5 0 2 0 H
M _ M T _ M A R 3 5 0 3 0 H
M _ M T _ M A R 4 5 0 4 0 H
M _ M T _ M A R 5 5 0 5 0 H
M _ M T _ M A R 6 5 0 6 0 H
M _ M T _ M A R 7 5 0 7 0 H
®
I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 — M e s s a g i n g U n i t
16 12 8
A t t r i b u t e L e g e n d :
R V = R e s e r v e d
P R = P r e s e r v e d
R S = R e a d / S e t
D e s c r i p t i o n
4 0
R W = R e a d / W r i t e
R C = R e a d C l e a r
R O = R e a d O n l y
N A = N o t A c c e s s i b l e
D e c e m b e r 2 0 0 7
O r d e r N u m b e r : 3 1 5 0 3 7 - 0 0 2 U S