3.3.7
Operating Modes.
O p e r a t i n g m o d e
D e s c r i p t i o n
S p i n
Ä
U p
:
S t a r t u p t i m e p e r i o d f r o m s p i n d l e s t o p o r p o w e r d o w n .
S e e k
:
S e e k o p e r a t i o n m o d e
W r i t e
:
W r i t e o p e r a t i o n m o d e
R e a d
:
R e a d o p e r a t i o n m o d e
P e r f o r m a n c e :
T h e d e v i c e i s c a p a b l e o f r e s p o n d i n g i m m e d i a t e l y t o
i d l e
m e d i a a c c e s s r e q u e s t s . A l l e l e c t r o n i c c o m p o n e n t s
r e m a i n p o w e r e d a n d f u l l f r e q u e n c y s e r v o r e m a i n s
o p e r a t i o n a l .
A c t i v e
:
T h e d e v i c e i s c a p a b l e o f r e s p o n d i n g i m m e d i a t e l y t o
i d l e
m e d i a a c c e s s r e q u e s t s . S o m e c i r c u i t r y i n c l u d i n g s e r v o
s y s t e m a n d R / W e l e c t r o n i c s a r e i n p o w e r s a v i n g m o d e .
T h e h e a d i s p a r k e d n e a r t h e m i d
Ä
d i a m e t e r o f d i s k
w i t h o u t s e r v o i n g .
A d e v i c e i n A c t i v e i d l e m o d e m a y t a k e l o n g e r t o c o m p l e t e
t h e e x e c u t i o n o f a c o m m a n d b e c a u s e i t h a s t o a c t i v a t e
t h a t c i r c u i t r y .
L o w p o w e r
:
H e a d i s u n l o a d e d o n t h e r a m p p o s i t i o n .
i d l e
S p i n d l e m o t o r i s r o t a t i n g a t f u l l s p e e d .
S t a n d b y
:
T h e d e v i c e i n t e r f a c e i s c a p a b l e o f a c c e p t i n g c o m m a n d s .
S p i n d l e m o t o r i s s t o p p e d . A l l c i r c u i t r y e x c e p t h o s t
i n t e r f a c e a r e i n p o w e r s a v i n g m o d e .
T h e e x e c u t i o n o f c o m m a n d s i s d e l a y e d u n t i l s p i n d l e
b e c o m e s r e a d y .
S l e e p
:
T h e d e v i c e r e q u i r e s a s o f t r e s e t o r a h a r d r e s e t t o
b e a c t i v a t e d .
A l l e l e c t r o n i c s i n c l u d i n g s p i n d l e m o t o r a n d h o s t
i n t e r f a c e a r e s h u t o f f .
Figure 11. Operating Mode
Drive Characteristics
13
Summary of Contents for DBCA-204860 - Travelstar 4.8 GB Hard Drive
Page 2: ......
Page 11: ...Figure 2 Breathing hole caution of DBCA 203240 204860 206480 General 3...
Page 12: ...4 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 14: ...6 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 15: ...Part 1 Functional Specification Copyright IBM Corp 1998 7...
Page 16: ...8 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 40: ...32 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 60: ...52 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 61: ...Part 2 ATA Interface Specification Copyright IBM Corp 1998 53...
Page 62: ...54 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 64: ...56 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 66: ...58 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 96: ...88 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
Page 102: ...94 OEM Specifications of DBCA 2xxxxx 2 5 inch HDD...
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Page 190: ...Published in Japan S25L 2426 02...