Справочник Пользователя для HGST VANCOUVER III 160GB 08K0464

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Hitachi Global Storage Technologies 
Page 5 
 
version 1.0 
definitions upon the deassertion of 
DMACK–  at the termination of the DMA 
burst.   See the table below. 
Ultra DMA definitions 
 
Special defini-
tion (for Ultra 
DMA)
 
Conventional 
definition
 
Write 
 
DDMARDY
 
HSTROBE 
STOP
 
IORDY 
DIOR
 
DIOW
– 
Read
 
HDMARDY 
DSTROBE 
STOP
 
DIOR
 
IORDY 
DIOW
– 
Mechanical data 
Height 
25.4 mm ± 0.4 
Width 
101.6 mm ± 0.4 
Length 
146.0 mm ± 0.6 
 
Weight (maximum) 
640 grams 
 
 
Mounting  
The drive will operate in all axes (six 
directions). Performance and error 
rate will stay within specification 
limits if the drive is operated in the 
other permissible orientations from 
which it was formatted. 
For reliable operation the drive must 
be mounted in the system securely 
enough to prevent damage from 
excessive motion or vibration during 
seek operation or spindle rotation, 
using appropriate screws or equiva-
lent mounting hardware.  
Drive level vibration test and shock 
test are to be conducted with the 
drive mounted to the table using the 
bottom four screws. 
 
 
 
 
 
Mounting holes 
 
 
Dimension  
reference 
number 
(1) (2) (3) (4) (5) (6) (7) 
Dimension 
(mm) 
41.28 ± 0.5
 
44.45 ± 0.2
 
95.25 ± 0.2
 
6.35 ± 0.2
 
28.5 ± 0.5
 
60.0 ± 0.2
 
41.6 ± 0.2
 
 
Mounting screw thread count = 6-32 UNC 
Notes:  Recommended screw torque to be applied to mounting screws is 0.6–1.0 Nm (6–10 kg-cm).