xii
C141-E185
FIGURES
page
Figure 1.1
NC model drives outer view
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1-6
Figure 1.2
NP model drives outer view
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1-6
Figure 1.3
Disk/head configuration
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1-7
Figure 1.4
System configuration
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1-9
Figure 3.1
Cylinder configuration
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3-2
Figure 3.2
Spare area in cell
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3-5
Figure 3.3
Alternate cylinder
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3-5
Figure 3.4
Track format
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3-6
Figure 3.5
Track skew/head skew
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3-7
Figure 3.6
Sector format
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3-7
Figure 3.7
Alternate block allocation by FORMAT UNIT command
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3-13
Figure 3.8
Alternate block allocation by REASSIGN BLOCKS command
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3-14
Figure 4.1
NC external dimensions
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4-2
Figure 4.2
NP external dimensions
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4-3
Figure 4.3
IDD orientations
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4-4
Figure 4.4
Mounting frame structure
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4-5
Figure 4.5
Limitation of side-mounting
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4-5
Figure 4.6
Surface temperature measurement points
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4-6
Figure 4.7
Service clearance area
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4-7
Figure 4.8
Spin-up current waveform (+12 VDC)
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4-8
Figure 4.9
Power on/off sequence (1)
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4-8
Figure 4.10
Power on/off sequence (2)
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4-9
Figure 4.11
Power on/off sequence (3)
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4-9
Figure 4.12
AC noise filter (recommended)
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4-11
Figure 4.13
NC connectors location
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4-11
Figure 4.14
SCA2 type 16-bit SCSI connector
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4-12
Figure 4.15
NP connectors and terminals location
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4-13
Figure 4.16
68 pin type 16-bit SCSI interface connector
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4-14
Figure 4.17
Power supply connector (68 pin type 16-bit SCSI)
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4-14
Figure 4.18
External operator panel connector (CN1)
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4-15
Figure 4.19
External operator panel connector (CN2)
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4-15