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D D R S D R A M M e m o r y C o n t r o l l e r — I n t e l
T a b l e 3 9 4 . D M C U P o r t T r a n s a c t i o n C o u n t R e g i s t e r — D M P T C R ( S h e e t 2 o f 2 )
31
IOP
rv
rv
rv
Attributes
PCI
na
na
na
Attributes
®
I n t e l X S c a l e
A d d r e s s o f f s e t
+ 1 8 6 8 H
B i t
D e f a u l t
1 1 : 0 8
1 H
0 7 : 0 4
1 H
0 3 : 0 0
0 H
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
®
8 1 3 4 1 a n d 8 1 3 4 2
28
24
20
rv
rv
rv
rv
rv
ro
ro
ro
ro
na
na
na
na
na
na
na
na
na
m i c r o a r c h i t e c t u r e L o c a l B u s
A D M A 0 P o r t T r a n s a c t i o n C o u n t : N u m b e r o f t r a n s a c t i o n s t h e A D M A 0 p o r t c a n h a v e p r o c e s s e d i n a
s i n g l e t e n u r e o f t h e D D R S D R A M .
1 H = 1 t r a n s a c t i o n
2 H = 2 t r a n s a c t i o n s
3 H = 3 t r a n s a c t i o n s
. . .
F H = 1 5 t r a n s a c t i o n s
0 H = 1 6 t r a n s a c t i o n s
S o u t h I n t e r n a l B u s C o u n t : N u m b e r o f t r a n s a c t i o n s t h e s o u t h i n t e r n a l b u s p o r t c a n h a v e p r o c e s s e d i n
a s i n g l e t e n u r e o f t h e D D R S D R A M .
1 H = 1 t r a n s a c t i o n
2 H = 2 t r a n s a c t i o n s
3 H = 3 t r a n s a c t i o n s
. . .
F H = 1 5 t r a n s a c t i o n s
0 H = 1 6 t r a n s a c t i o n s
N o r t h I n t e r n a l B u s T r a n s a c t i o n C o u n t : N u m b e r o f t r a n s a c t i o n s t h e n o r t h i n t e r n a l b u s p o r t c a n h a v e
p r o c e s s e d i n a s i n g l e t e n u r e o f t h e D D R S D R A M .
1 H = 1 t r a n s a c t i o n
2 H = 2 t r a n s a c t i o n s
3 H = 3 t r a n s a c t i o n s
. . .
F H = 1 5 t r a n s a c t i o n s
0 H = 1 6 t r a n s a c t i o n s
16
12
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
na
na
na
na
na
na
na
na
na
na
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
8
4
rw
rw
rw
rw
rw
rw
rw
rw
rw
na
na
na
na
na
na
na
na
na
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
®
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
0
rw
na
6 4 9
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