Fujitsu MHU2100AT Manual de usuario

C141-E202-01EN 3-1

CHAPTER 3 Installation Conditions

3.1 Dimensions

3.2 Mounting

3.3 Cable Connections

3.4 Jumper Settings

This chapter gives the external dimensions, installation conditions, surface

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

drives.

For information about handling this hard disk drive and the system installation

procedure, refer to the following Integration Guide.

C141-E144

Installation Conditions

3-2 C141-E202-01EN

3.1 Dimensions

Figure 3.1 illustrates the dimensions of the disk drive and positions of the

mounting screw holes. All dimensions are in mm.

Figure 3.1 Dimensions

3.2 Mounting

C141-E202-01EN 3-3

3.2 Mounting

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

INTEGRATION GUIDANCE (C141-E144)."

(1) Orientation

Figure 3.2 illustrates the allowable orientations for the disk drive.

(a) Horizontal –1

(b) Horizontal –1

(d) Vertical –2

(e) Vertical –3

(f) Vertical –4

Figure 3.2 Orientation

gravity

Installation Conditions

3-4 C141-E202-01EN

(2) Frame

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

is connected to SG.

IMPORTANT

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

satisfy the specification in Figure 3.3.

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

(3) Limitation of mounting

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

them, contact us.

Figure 3.3 Mounting frame structure

Screw

Details of B

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

3.2 Mounting

C141-E202-01EN 3-5

IMPORTANT

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

close during mounting.

Locating of breather hole is shown as Figure 3.4.

For breather hole of Figure 3.4, at least, do not allow its around

φ 2.4 to block.

Figure 3.4 Location of breather

Installation Conditions

3-6 C141-E202-01EN

(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 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

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

temperature must meet the standards listed in Table 3.1. Figure 3.5 shows the

temperature measurement point.

Figure 3.5 Surface temperature measurement points

Table 3.1 Surface temperature measurement points and standard values

No. Measurement point Temperature

1 DE cover 60 °C max

•

3.2 Mounting

C141-E202-01EN 3-7

(5) Service area

Figure 3.6 shows how the drive must be accessed (service areas) during and after

installation.

Figure 3.6 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.

Mounting screw hole

Cable connection

Installation Conditions

3-8 C141-E202-01EN

- General notes

Figure 3.7 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

Place the shock absorbing mat on the

operation table, and place ESD mat on it.

Use the Wrist strap.

Do not hit HDD each other.

o not stack when carrying.

Do not place HDD vertically

to avoid falling down.

o not drop.

Shock absorbing mat

SD mat

Wrist strap

3.3 Cable Connections

C141-E202-01EN 3-9

3.3 Cable Connections

3.3.1 Device connector

The disk drive has the connectors and terminals listed below for connecting

external devices. Figure 3.8 shows the locations of these connectors and

terminals.

Figure 3.8 Connector locations

Connector,

setting pins PCA

Installation Conditions

3-10 C141-E202-01EN

3.3.2 Cable connector specifications

Table 3.2 lists the recommended specifications for the cable connectors.

Table 3.2 Cable connector specifications

Name Model Manufacturer

ATA interface and power

supply cable (44-pin type) Cable socket

(44-pin type) 89361-144 FCI

IMPORTANT

For the host interface cable, use a ribbon cable. A twisted cable or a

cable with wires that have become separated from the ribbon may

cause crosstalk between signal lines. This is because the interface is

designed for ribbon cables and not for cables carrying differential

signals.

3.3.3 Device connection

Figure 3.9 shows how to connect the devices.

Host system

Power supply

Disk Drive #0

Disk Drive #1

ATA-cable

Power supply cable

Figure 3.9 Cable connections

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