Intel 81342 Developer's Manual page 86

2 . 4 . 1 . 1 C o m p a c t P C I H o t - S w a p M o d e S e l e c t
H S _ S M #
H S _ F R E Q [ 1 : 0 ] p i n s a l l o w t h e 8 1 3 4 1 a n d 8 1 3 4 2 t o d e t e r m i n e t h e c P C I b a c k p l a n e
o p e r a t i n g f r e q u e n c y w i t h o u t n e e d i n g t o s e e a P C I - X i n i t i a l i z a t i o n p a t t e r n . T h e s e p i n s
a r e o n l y v a l i d w h e n
T a b l e 6 . H S _ F R E Q E n c o d i n g
H S _ F R E Q [ 1 : 0 ]
1 1
1 1
1 0
0 1
0 0
a . H o t - S w a p i s n o t s u p p o r t e d i n P C I - X M o d e 2 .
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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
8 6
m u s t b e a s s e r t e d ( 0 b ) t o e n a b l e H o t - S w a p f u n c t i o n a l i t y .
H S _ S M #
i s s a m p l e d a s 0 b d u r i n g P _ R S T # .
a
P _ M 6 6 E N O p e r a t i n g M o d e
0 P C I
1 P C I
- P C I - X ( M o d e 1 )
- P C I - X ( M o d e 1 )
- P C I - X ( M o d e 1 )
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I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 — 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 )
B u s F r e q u e n c y
3 3 M H z
6 6 M H z
6 6 M H z
1 0 0 M H z
1 3 3 M H z
P C S R [ 1 9 : 1 6 ]
1 1 1 1
1 1 1 1
1 1 1 0
1 1 0 1
1 1 0 0
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