Fujitsu C141-E282 Manuale utente

CHAPTER 3 Installation Conditions

3.1 Dimensions

3.2 Mounting

3.3 Connections with Host System

This chapter gives the external dimensions, installation conditions, surface

temperature conditions, cable connections, and switch settings of the hard disk

drives.

C141-E282 3-1

Installation Conditions

3.1 Dimensions

Figure 3.1 illustrates the dimensions of the disk drive. All dimensions are in mm.

*1 The PCA and connectors are not included in these dimensions.

*2 Dimension from the center of the user tap to the base of the connector pins

*3 Length of the connector pins

*4 Dimension from the outer edge of the user tap to the center of the connector

pins

*5 Dimension from the outer edge of the user tap to the innermost edge of the

connector pins

Figure 3.1 Dimensions

3-2 C141-E282

3.2 Mounting

For information on mounting, see the "FUJITSU 2.5-INCH HDD INTEGRATION

GUIDANCE (C141-E144)."

(1) Orientation

The disk drives can be mounted in any direction.

(2) Frame

The MR head bias of the HDD disk enclosure (DE) is zero. The mounting frame

is connected to Signal Ground (SG).

Use M3 screw for the mounting screw and the screw length should

satisfy the specification in Figure 3.2.

The tightening torque must be 0.49N•m (5kgf•cm).

When attaching the HDD to the system frame, do not allow the

system frame to touch parts (cover and base) other than parts to

which the HDD is attached.

C141-E282 3-3

Installation Conditions

(3) Limitation of mounting

Note) These dimensions are recommended values; if it is not possible to satisfy

them, contact us.

Screw

Details of A

3.0 or less

Frame of system

cabinet

Frame of system

cabinet

PCA

2.52.5

2.5

Side surface

mounting

Bottom surface mounting

Figure 3.2 Mounting frame structure

3-4 C141-E282

3.2 Mounting

Because of breather hole mounted to the HDD, do not allow this to

close during mounting.

Locating of breather hole is shown as Figure 3.3.

For breather hole of Figure 3.3, at least, do not allow its around φ 3

to block.

Figure 3.3 Location of breather hole

C141-E282 3-5

Installation Conditions

(4) Ambient temperature

The temperature conditions for a disk drive mounted in a cabinet refer to the

ambient temperature at a point 3 cm from the disk drive. The ambient temperature

must satisfy the temperature conditions described in Section 1.4, and the airflow

must be considered to prevent the DE surface cover temperature from exceeding

60 °C.

Provide air circulation in the cabinet such that the PCA side, in particular, receives

sufficient cooling. To check the cooling efficiency, measure the surface cover

temperatures of the DE. Regardless of the ambient temperature, this surface cover

temperature must meet the standards listed in Table 3.1. Figure 3.4 shows the

temperature measurement point.

Figure 3.4 Surface cover temperature measurement points

Table 3.1 Surface temperature measurement points and standard values

No. Measurement point Temperature

1 DE cover

60 °C max

3-6 C141-E282

3.2 Mounting

(5) Service area

Figure 3.5 shows how the drive must be accessed (service areas) during and after

installation.

Mounting screw hole

Cable connection

Figure 3.5 Service area

Data corruption: Avoid mounting the disk drive near strong

magnetic sources such as loud speakers. Ensure that the disk drive

is not affected by external magnetic fields.

Damage: Do not press the cover of the disk drive. Pressing it too

hard, the cover and the spindle motor contact, which may cause

damage to the disk drive.

Static: When handling the device, disconnect the body ground

(500 kΩor greater). Do not touch the printed circuit board, but hold

it by the edges.

(6) Handling cautions

Please keep the following cautions, and handle the HDD under the safety

environment.

C141-E282 3-7

Installation Conditions

- General notes

ESD mat

Shock absorbin

mat

Wrist strap

Use the Wrist strap. Place the shock absorbing mat on the

operation table, and place ESD mat on it.

Do not hit HDD each other. Do not stack when carr

Do not place HDD vertically

to avoid falling down. Do not drop.

Figure 3.6 Handling cautions

- Installation

(1) Please use the driver of a low impact when you use an electric driver.

HDD is occasionally damaged by the impact of the driver.

(2) Please observe the tightening torque of the screw strictly.

M3 ⋅⋅⋅⋅⋅⋅ 0.49N · m (5 kgf · cm).

- Recommended equipments

Contents Model Maker

Wrist strap JX-1200-3056-8 SUMITOMO 3MESD

ESD mat SKY-8A (Color Seiden Mat) Achilles

Shock Low shock driver SS-6500 HIOS

3-8 C141-E282

3.3 Connections with Host System

3.3.1 Device connector

The disk drive has the SATA interface connectors listed below for connecting

external devices. Figure 3.7 shows the locations of these connectors and

terminals.

SATA interface

and power

connectors PCA

Figure 3.7 Connector locations

C141-E282 3-9

Installation Conditions

3.3.2 Signal segment and power supply segment

Figure 3.8 shows each segment of the SATA interface connector and pin numbers.

Power supply

segment

P1 pins in the power

supply segment

View from the

connector side

View from the

PCA side

Signal segment

S1 pins in the signal

segment

Figure 3.8 Power supply pins (CN1)

3.3.3 Connector specifications for host system

The connector of host system for mating with the disk drive must be compliant

with Serial-ATA Revision 2.5 specification. For detail of requirements about

SATA interface connector, refer to the "Serial-ATA Revision 2.5."

The connection reliability per number of insertion/extractions varies

with the condition of the connection with the host system.

Therefore, we recommend that the customer evaluate the connector

on the customer's system and select it from the connectors

complying with the Serial ATA Revision 2.5 specification.

3-10 C141-E282

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