Interface

Y*: Necessary to set parameters under the LBA mode.

N:Not necessary to set parameters (The parameter is ignored if it is set.) N*: May set parameters

D:The device parameter is valid, and the head parameter is ignored.

D*: The command is addressed to the master device, but both the master device and the slave device execute it.

X:Do not care

5.3.2Command descriptions

The contents of the I/O registers to be necessary for issuing a command and the example indication of the I/O registers at command completion are shown as following in this subsection.

Example: READ SECTOR(S)

At command issuance (I/O registers setting contents)

Bit

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

1F7H(CM)

0

0

1

0

0

0

0

0

 

 

 

 

 

 

1F6H(DH)

x

L

x

DV

Head No. / LBA [MSB]

 

 

 

 

 

 

 

 

1F5H(CH)

Start cylinder address [MSB] / LBA

 

 

 

 

 

 

1F4H(CL)

Start cylinder address [LSB] / LBA

 

 

 

 

 

 

 

1F3H(SN)

Start sector No. / LBA [LSB]

 

 

 

 

 

 

 

 

 

1F2H(SC)

Transfer sector count

 

 

 

 

 

 

 

 

 

 

 

 

 

1F1H(FR)

xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At command completion (I/O registers contents to be read)

Bit

7

 

6

5

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

1F7H(ST)

Status information

 

 

 

 

 

 

 

 

 

 

 

 

1F6H(DH)

x

 

L

x

DV

Head No. / LBA [MSB]

 

 

 

 

 

 

 

 

1F5H(CH)

End cylinder address [MSB] / LBA

 

 

 

 

 

 

 

1F4H(CL)

End cylinder address [LSB] / LBA

 

 

 

 

 

 

 

 

1F3H(SN)

End sector No. / LBA [LSB]

 

 

 

 

 

 

 

 

 

 

 

 

 

1F2H(SC)

X’00’

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1F1H(ER)

Error information

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5-16

C141-E104-02EN

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Fujitsu MHM2100AT, MHM200AT, MHM215OAT, MHL2300AT manual Command descriptions

MHM215OAT, MHM200AT, MHL2300AT, MHM2100AT specifications

Fujitsu, a leader in storage technology, has developed a range of hard disk drives designed for reliability and performance, catering to both enterprise and consumer needs. The Fujitsu MHM2100AT, MHL2300AT, MHM200AT, and MHM215OAT models are part of this impressive lineup, showcasing various features and technologies that set them apart.

The MHM2100AT model is known for its 2.5-inch form factor, offering a storage capacity of 100GB. It operates at a speed of 5400 RPM, which balances performance and power efficiency. The drive utilizes ATA-6 interface (Parallel ATA) ensuring compatibility with a wide range of systems. One of its primary features is the advanced cache memory architecture, which allows for quicker access to frequently used data. This enhances overall system performance while preserving energy consumption.

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