Pio Timings - IBM DYLA-28100 - Travelstar 8.1 GB Hard Drive Specifications

6.7 PIO Timings

The PIO cycle timings meet Mode 4 of the ATA-3 description.
C S 0 , C S 1
+ D A 0 2
D I O R , D I O W
W r i t e d a t a
+ D D 0 0 1 5
R e a d d a t a
+ D D 0 0 1 5
H I O C S 1 6
+ I O R D Y
P A R A M E T E R D E S C R I P T I O N
T 0 C y c l e t i m e
T 1 C S 0 1 , + D A 0 0 0 2 v a l i d t o
T 2 D I O R , D I O W p u l s e w i d t h
T 2 I D I O R , D I O W r e c o v e r y
T 3 + D D 0 0 1 5 s e t u p t o
T 4 D I O W h i g h t o + D D 0 0 1 5 h o l d
T 5 + D D 0 0 1 5 s e t u p t o
T 6 D I O R h i g h t o + D D 0 0 1 5 h o l d
T 6 Z D I O R h i g h t o + D D O O 1 5 t r i s t a t e
T 7 C S 0 1 , + D A 0 0 0 2 v a l i d t o
T 8 C S 0 1 , + D A 0 0 0 2 i n v a l i d t o
T 9 D I O R , D I O W h i g h t o
T R D R e a d d a t a v a l i d t o + I O R D Y a c t i v e
T A D I O R , D I O W l o w t o + I O R D Y l o w
T B + I O R D Y p u l s e w i d t h
N o t e * 1 : T h i s v a l u e i s a p p l i e d o n l y w h e n + I O R D Y i s n o t n e g a t e d . W h e n + I O R D Y
i s n e g a t e d , T R D i s a p p l i e d .
Figure 24. PIO cycle timings
42
O E M Specifications of DYLA-2xxxx 2.5 inch H D D
< T 1 > <
<
> T 7 <
< T A >
<
D I O R , D I O W a c t i v e
D I O W h i g h
D I O R h i g h
H I O C S 1 6 a s s e r t i o n
H I O C S 1 6 n e g a t i o n
C S 0 1 , + D A 0 0 0 2 h o l d
< T 9
T 0
T 2 > <
< T 3 > < T 4 >
< T 5 > T 6 Z <
T 6
> T R D <
T B >
M I N
( n s e c ) ( n s e c )
1 2 0
2 5
7 0
2 5
2 0
1 0
2 0
1 0
>
>
T 2 I >
> T 8 <
M A X N o t e
* 1
5
3 0
3 0
3 0
0
3 5
1 2 5 0