Power Save; Power Save Mode; Address Translation (Example In Lba Mode) - Fujitsu MPB3021AT Product Manual

(2) LBA mode
Logical address assignment in the LBA mode starts from physical cylinder 0, physical head 0,
and physical sector 1. The logical address is advanced at the subsequent sector from the last
sector of the current track. The first physical sector of the subsequent physical track is the
consecutive logical sector from the last sector of the current physical track.
Figure 6.6 shows an example of (assuming there is no track skew).
Physical sector
Physical cylinder 0
Physical head 0
Physical cylinder 1
Physical head 0
ex: Zone 0
Physical parameter
– Physical sector: 1 to 300
Figure 6.6
6.3

Power Save

The host can change the power consumption state of the device by issuing a power command
to the device.
6.3.1

Power save mode

There are four types of power consumption state of the device including active mode where all
circuits are active.
In the power save mode, power supplying to the part of the circuit is turned off. There are
three types of power save modes:
Idle mode
Standby mode
Sleep mode
The drive moves from the Active mode to the idle mode by itself.
6 - 8
1 2 3
LBA0 LBA1 LBA2
1 2 3
LBA0 LBA1 LBA2

Address translation (example in LBA mode)

C141-E045-02EN
299 300
LBA LBA
298 299
299 300
LBA LBA
298 299