FUJITSU DISK DRIVES MHM215OAT - Manual (Page 208)

6.3 Power Save
C141-E104-02EN 6-9
(2) LBA mode
Logical address assignment in the LBA mode starts from physical cylinder 0,
physical head 0, and physical sector 1. If the last sector of a physical track is
used, the track is switched and the next LBA is assigned to the initial sector of the
subsequent physical track.
Figure 6.6 shows an example of 4 heads configuration (assuming there is no track
skew).
459
230
229 228
229 230
230 229
458 232 231 230
6
5
Figure 6.6 Address translation (example in LBA mode)
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
626 627
626 625
626 627
1253
5
627
629 628 627 1252