Maxtor D540X-4K - Manual (Page 51)

Basic Principles of Operation
Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT 5-3
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A single-piece, e-coated, aluminum-alloy base casting provides a mounting surface for
the drive mechanism and PCB. The base casting also acts as the flange for the DC
motor assembly. To provide a contamination-free environment for the HDA, a gasket
provides a seal between the base casting, and the metal cover that encloses the drive
mechanism.
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Integral with the base casting, the DC motor assembly is a fixed-shaft, brushless DC
spindle motor that drives the counter-clockwise rotation of the disks.
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The disk stack assembly in the Maxtor D540X-4K hard disk drives consist of disks
secured by a disk clamp. The aluminum-alloy disks have a sputtered thin-film
magnetic coating.
A carbon overcoat lubricates the disk surface. This prevents head and media wear due
to head contact with the disk surface during head takeoff and landing. Head contact
with the disk surface occurs only in the landing zone outside of the data area, when
the disk is not rotating at full speed. The landing zone is located at the inner diameter
of the disk, beyond the last cylinder of the data area.
1. For user data, zone 15 is the innermost zone and zone 1 is the outermost zone.
6CDNG Cylinder Contents
%;.+0&'4
%106'065
<10' 1
07/$'4 1(
64#%-5
5'%6145
2'4 64#%-
# 4#6'
/D5
15 3562 487 251.01
14 3680 525 269.23
13 3680 560 286.54
12 3680 600 298.64
11 3680 633 325.44
10 3680 671 346.15
9 3680 709 365.38
8 3680 742 384.62
7 3680 800 403.85
6 3680 805 417.58
5 3680 836 432.69
4 3680 857 445.05
3 3680 883 459.13
2 3680 907 472.85
1 3680 925 481.78
System Data 0 60 400 197.44
$CUG %CUVKPI #UUGODN[
A single-piece, e-coated, aluminum-alloy base casting provides a mounting surface for
the drive mechanism and PCB. The base casting also acts as the flange for the DC
motor assembly. To provide a contamination-free environment for the HDA, a gasket
provides a seal between the base casting, and the metal cover that encloses the drive
mechanism.
&% /QVQT #UUGODN[
Integral with the base casting, the DC motor assembly is a fixed-shaft, brushless DC
spindle motor that drives the counter-clockwise rotation of the disks.
&KUM 5VCEM #UUGODNKGU
The disk stack assembly in the Maxtor D540X-4K hard disk drives consist of disks
secured by a disk clamp. The aluminum-alloy disks have a sputtered thin-film
magnetic coating.
A carbon overcoat lubricates the disk surface. This prevents head and media wear due
to head contact with the disk surface during head takeoff and landing. Head contact
with the disk surface occurs only in the landing zone outside of the data area, when
the disk is not rotating at full speed. The landing zone is located at the inner diameter
of the disk, beyond the last cylinder of the data area.
1. For user data, zone 15 is the innermost zone and zone 1 is the outermost zone.
6CDNG Cylinder Contents
%;.+0&'4
%106'065
<10' 1
07/$'4 1(
64#%-5
5'%6145
2'4 64#%-
# 4#6'
/D5
15 3462 486 243.59
14 3680 520 260.18
13 3680 560 280.54
12 3680 600 291.86
11 3680 628 315.93
10 3680 666 332.69
9 3680 700 348.08
8 3680 738 372.47
7 3680 771 389.42
6 3680 804 408.12
5 3680 836 423.08
4 3680 860 437.50
3 3680 900 452.66
2 3680 920 467.31
1 3680 950 481.78
System Data 0 60 400 269.23