7/28/2003
v1.0
1
Quick installation guide
Hitachi Ultrastar 15K73
Ultra320 SCSI Hard disk drive
Model Numbers: 68 Pin Interface:
HUS157373EL3600 HUS157336EL3600
80 Pin Interface:
HUS157373EL3800 HUS157336EL3800
SPECIFICATIONS
Formatted Capacity*(Gbytes)
73.9 GB
36.9 GB
Bytes per Sector*
512
512
#Cylinders/#Heads/#Disks 40664/10/5
40664/5/3
Maximum LBA*(Hex)
89B88FF
44DC47F
Seektime:Average(Read. Typical)
3.9/4.2
3.9/4.2
Spindle Speed rpm
15037
15037
Interface Type
Ultra 320
Ultra 320
Transfer rate (MB/s)
320.0 max
320.0 max
Operating Temperature (C/F)
5-55
°
C
5-55°C
Power: 12Vpeak(Typ)/5V peak (Typ) (A)
2.20/1.54
2.20/1.54
Start Time(s)
25
25
Handling Precautions
1.
Do not press on the drive.
Hold the drive by the sides only, do not apply any force to the drive during
handling or installation.
2. Always handle the drive with care to prevent damage from shock, vibration or electrostatic
discharge(ESD). Do not touch the Printed Circuit Board (PCB).
3.
Electrostatic Discharge.
Static electricity can damage the drive. Before handling the drive, touch an
unpainted metal surface for a few seconds to drain any static electricity from your body.
4. Keep the original packaging and static-protective bag in case the drive has to be returned.
Mounting Orientation
1. Installation horizontal or vertical ( 6 directions)
2. Provide adequate air flow to cool drive
3. Use 4 mounting screws (6x32 UNC). Maximum screw penetration 3.8mm (0.15 in) into drive
Cable Specifications:
1.
Use interface cables that meet the ANSI SCSI guideline.
2.
Cable length:
Interface cable (NW, Single-ended mode)
Cable Type
Maximum cable length
Fast-5
Fast-10
Ultra(Fast20)
SCSI Interface
Flat Ribbon or
6m
3m
3m(4 units max.)
Twisted Pair
(16 units max.) (16 units max.) 1.5m (8 units max.)
DC
power
supply
AWG#20 3m
