Manuals / Hitachi / Computer Equipment / Computer Drive

Hitachi HUS157373EL3800 HDA upper surface spacer PCB parts side, 2 Example for mounting

Models: HUS157373EL3800 HUS157373EL3600 HUS157336EL3600 HUS157336EL3800

1 46

Download 46 pages 50.66 Kb

Page 24

HDA upper surface

Caution

7.2Mounting of the drive

1.Mount the drive with four 6-32 UNC screws. (Screw's torque : 0.588 to 0.784 N·m)

2.Mounting holes (A1,A2,B1,B2,B3) are available for mounting.(See figure 8.3)

It is recommended that the 4 holes, (A1,A2 or B1,B3 on figure 8.3), be used for mounting to

keep the proper space between mounting holes.

3.Maximum penetration of the screw is 3.8 mm.

4.Keep a clearance of 3 millimeters from the PCB parts side and the HDA's upper surface for proper cooling air ventilation. (See figure 8.2)

5.The mounting chassis’s weight shall be more than 2 kg, and the stiffness of mounting chassis shall be more than 196,000 N/m. The stiffness of 4 mounting points shall not be un- balanced.

6.The HDA enclosure is connected to the DC ground on PCB in HDA electrically.

If electrical insulation of the HDA is preferred when it is mounted to the mounting chassis,

insert an insulator between the HDA enclosure and the mounting chassis.

Good case

Bad case

HDA upper surface

spacer

PCB parts side

Figure 7.2 Example for mounting

Drawing No. Sheet No. Revision 5
K6602906	24/46	2003/6/12

Image 24

Hitachi HUS157373EL3800, HUS157336EL3600, HUS157373EL3600 HDA upper surface spacer PCB parts side, 2 Example for mounting

Contents

Hard Disk Drive Specifications Ultrastar 15K73-73/36 SCSI Hitachi Global Storage TechnologiesNote52. Surface temperature Drawing No. Sheet No. RevisionK6602906 2/46General cautions for safety Headline of safety cautionTo use this product safely Influence for environmentSafety cautions for this product To use this product safely ContinuedWarranty and Limited Liability To use this product safely ContinuedDC power Interface Connecting MethodsSummary of SCSI Commands Precautions for handlingSCSI Bus Connector C1 Other connectorsJumper Socket setting Jumper connector layout1 Features Table 1.1 Models2 Standards and Related Documents Table 3.1 Characteristics 3 DescriptionPower MEEPRMLTable 3.2 Environmental conditions and reliability 3.2 Environmental conditions and reliabilityDrawing No. Sheet No. Revision K6602906Figure 3.1 Vibration test direction Figure 3.2 Shock test direction Power measurement Operating 4 DC power Interface Table 4.1 DC Power RequirementFig 4.1 Current transition for +12V Table 4.2 Start and Stop time+12V Current A 1. If Disable Auto Start mode is set C39-10 installed Manually power on drives at intervals of more than 10 seconds4.3.2 Spindle Start Selection Drawing No. Sheet No. Revision5 Connecting Methods Figure 5.1 Cabling layout WIDE LVD driveTerminator SCSI bus DC power GND power supply cable5.2 Low voltage differential LVD mode Drawing No. Sheet No. RevisionK6602906 19/466 SCSI Interface 8 Tagged Command Queuing 9 S.M.A.R.T. Self - Monitoring, Analysis and Reporting Technology10 Automatic Read Reallocation 11 Write CacheTable 6.1 SCSI Commands Supported Table 6.1 SCSI Commands Supported Continued 7 Mounting and HandlingFig. 7.1 Orientations HDA upper surface spacer PCB parts side Figure 7.2 Example for mountingFigure 7.3 Layout of Mounting holes Table 7.1 Temperature Limits unit C Figure 7.4 Temperature Measurement PointsHDAbottom 8 Precautions for handling 9 Maintenance Table 10.1 Interface connectors 10 Physical interfaceTable 10.2 Interface cable WIDE, Single-ended mode Table 10.3 Interface cable WIDE, LVD modeFigure 10.1 Connector Layout WIDE LVD drive Figure 10.2 Connector viewC2-1 C2-2 GND 12V Return C2-3 GND 5V Return C2-4 Figure 10.3 Connector Layout SCA-2 LVD drive Figure 10.4 Connector view26.1 max Table 11.1 Pin assignment of SCSI Bus Connector C1 11 Pin assignmentWIDE, Single-ended mode DIFFSENSTable 11.2 Pin assignment of SCSI Bus Connector C1 WIDE, LVD mode Table 11.3 Pin assignment of SCSI Bus Connector C1 SCA-2, Single-ended modeTable 11.4 Pin assignment of SCSI Bus Connector C1 SCA-2, LVD mode Table 11.5 Pin assignment of Auxiliary Connector C4 WIDE LVD drive 11.2 Other connectorsDrawing No. Sheet No. Revision K6602906Figure 11.1 LED Driver +5V 5V C4-11 150 ohm 5V C3-22 150 ohm LED C4-8 LED C3-21+5V 150 ohm 5V C3-2212 Jumper Socket setting Figure 12.1 Jumper connector layout WIDE LVD driveOption Jumper Connector C3 Auxiliary Connector C4Figure 12.2 Jumper connector layout SCA-2 LVD drive Option Jumper Connector C312.2 Jumper socket setting The Jumper sockets should be set only when the power is offOption Jumper Connector C3 DefaultOption Jumper Connector C3 DefaultInstall the Jumper Socket Install the Jumper Socket12.2.3 Disable Auto Start WIDE LVD SCA-2 LVDDrawing No. Sheet No. Revision K660290612.2.4 Force Single-Ended bus mode WIDE LVD, SCA-2 LVD 12.2.6 SCSI bus Terminator Power WIDE LVD Table 12.2 Extension connector Table 12.1 Jumper socket