IBM DYLA-28100 - Travelstar 8.1 GB Hard Drive Specifications page 157

D e s c r i p t i o n
A t t r i b u t e I D N u m b e r ( 0 1 h t o F F h )
S t a t u s F l a g s
B i t 0 P r e F a i l u r e / A d v i s o r y
B i t 1 O n l i n e C o l l e c t i o n
B i t 2 5 R e s e r v e d ( m a y e i t h e r 0 o r 1 )
B i t 6 1 5 R e s e r v e d ( a l l 0 )
A t t r i b u t e V a l u e ( v a l i d v a l u e s f r o m 0 1 h t o F E h )
0 0 h i n v a l i d f o r a t t r i b u t e v a l u e
0 1 h m i n i m u m v a l u e
6 4 h i n i t i a l v a l u e f o r a l l a t t r i b u t e s p r i o r t o
a n y d a t a c o l l e c t i o n
F D h m a x i m u m v a l u e
F E h v a l u e i s n o t v a l i d
F F h i n v a l i d f o r a t t r i b u t e v a l u e
R e s e r v e d ( m a y n o t b e 0 )
R e s e r v e d ( m a y n o t b e 0 )
R e s e r v e d ( 0 0 h )
T o t a l B y t e s
Figure 97. Individual Attribute Data Structure
12.30.2.2.1 Attribute ID Numbers: Any non-zero value in the Attribute ID Number indicates an active
attribute. The device supports following Attribute ID Numbers. Those marked with (*) indicate that corre-
sponding Attribute Values can be either collected on-line or off-line.
ID Attribute Name
0 Indicates that this entry in the data structure is not used
1 Raw Read Error Rate (*)
2 Throughput Performance (*)
3 Spin Up Time
4 Start/Stop Count
5 Reallocated Sector Count
B y t e s O f f s e t
1
2
1
n o t t o b e u s e d
n o t t o b e u s e d
1
6
1
1 2
F o r m a t
0 0 h b i n a r y
0 1 h b i t f l a g s
0 3 h b i n a r y
0 4 h b i n a r y
0 5 h b i n a r y
0 B h b i n a r y
149
Command Descriptions