Intel 81342 Developer's Manual page 231

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

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