Sector Format - Fujitsu MAF3364LC - Enterprise 36.4 GB Hard Drive Product Manual

3.1.4

Sector format

Each sector on the track consists of an ID field, a data field, and a gap field which separates
them. Figure 3.6 gives sector format examples.
LC/LP models
SCT SB LBA
PLO
4 4
G1
Sync
SCT SB LBA DATA 1
PLO
4 4
G1
Sync
MC/MP models
SCT SB
PLO
4
G1 Sync
SCT SB DATA 1
PLO
4
G1
Sync
Each sector on the track consists of the following fields:
(1) Gaps (G1)
The gap length at the time of formatting (initializing) is listed in Figure 3.6. Pattern X'00' is
written on the gap field.
(2) PLO Sync
In this field, pattern X'00' in the length in bytes listed in Figure 3.6 is written.
(3) Sync Byte (SB)
In this field, special pattern in the length in bytes listed in Figure 3.6 is written.
3 - 8
DATA BCRC
m
Servo
PLO
PAD PAD
G1 Sync
1 2
DATA BCRC
m 4
Servo
SB
PLO
PAD PAD
4
G1 Sync
1 2
MAE series
G1 4 bytes
PLO Sync 23 bytes
PAD 1 10 bytes
PAD 2 7 bytes
PAD 3 5 bytes
Figure 3.6

Sector format

C141-E064-03EN
ECC SCT
PAD PAD
2 40
1 2
SB DATA 2 BCRC ECC
PAD
4 2 40
ECC SCT
PAD PAD
40
1 2
DATA 2 BCRC ECC
PAD PAD
4 40
1
MAF/MAG series
4 bytes
24 bytes
10 bytes
8 bytes
5 bytes
SCT
PAD
1 3
SCT
3