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Quantum Q280 User Manual

Quantum Q280
79 pages
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2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
3-12
4-1
4-2
4-3
4-4
4-5
5-1
5-2
5-3
LIS
T
o F
FIG
U
RES
Exploded
View
. . . . . .
..
......
. .
2-1
Inside
View
of
Drive,
Showing
Air
Filtration.
. . . . . .
2-3
Disk
Format:
Wedges,
Sectors,
and
Tracks.
. . . . . . . .
2-5
Electronics
Block
Diagram
..
............
2-6
J1
Connector.
. . . . . .
..
.....
.....
2-9
SCSI
Bus.
Typical
Circuit
of
a
Signal
Line
.......
2-10
SCSI
Bus
Timing
Diagram
. . . . . . . . . . . . . . . .
2-13
Drive
Startup
Current
Profile
. . . .
..
......
2-16
General
PCB
Layout;
Plug,
Terminator
and
.........
2-17
Connector
Locations
· . . . . . . . . 2
-2
2
5080
Conceptual
Block
Diagram.
. . . .
5080
Interface
Diagram
. . . . . . .
Servo
AMC
and
ADC
Circuit
Waveforms.
Read
Circuit
Waveforms
. . . . . . . . .
· . . . . . . .
2-22
· .
..
..
2-25
· . . .
2-28
DICEY
Block
Diagram.
. . . . .
..
...
· . . . . .
2-31
Power-Up
Sequence.
.. ..
. . . . .
· . . . . .
2-34
Read
Command
Sequence.
. .
..
...
.
· .
..
.
2-35
write
Command
Sequence
. . . . .
..
.
· . . . . . .
2-36
Printed
Circuit
Board
Parts
Locations
(PCB-7)
·
·
3-2
Schematic,
PCB-7,
Sheet
1
· ·
· ·
· ·
·
·
3-3
Schematic,
PCB-7,
Sheet
2
·
·
·
·
· ·
·
·
·
·
·
·
3-4
Schematic,
PCB-7,
Sheet
3
·
·
· ·
· ·
· ·
·
·
· ·
· ·
·
·
3-5
Printed
Circuit
Board
Parts
Locations
(PCB-8)
· ·
3-6
Schematic,
PCB-8,
Sheet
1
·
·
·
· ·
· · ·
·
3-7
Schematic,
PCB-8,
Sheet
2
·
·
·
·
·
·
·
·
· ·
·
·
·
· ·
·
3-8
Schematic,
PCB-8,
Sheet
3
·
·
·
·
· · · ·
· ·
· · · ·
3-9
Printed
Circuit
Board
Parts
Locations
(PCB-9)
· ·
·
·
·
·
3-10
Schematic,
PCB-9,
Sheet
1
·
·
·
· ·
· · ·
·
3-11
Schematic,
PCB-9,
Sheet
2
·
·
·
· ·
·
· ·
·
3-12
Schematic,
PCB-9,
Sheet
3
·
·
·
·
· ·
· ·
·
·
3-13
-REQ/-ACK
Handshake.
Q250/Q280
Target
Sends
Data
. .
4-2
Buffer
Full
and
Empty
Ratios.
. . . . . . . . . . . . . .
4-3
In-Line
Sparing
of
Defective
Sectors.
. .
..
.
...
4-7
In-Line
Sparing
Overflow
of
Defective
Sectors
. . . . . .
4-7
Sparing
of
Field-Found
Defective
Sectors.
. . . . . . . .
4-8
Test
Waveforms(1)
Test
Waveforms(2)
Test
Waveforms(3)
v
· . . . .
5-6
· .
5-7
· . . . . .
5-8

Table of Contents

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Quantum Q280 Specifications

General IconGeneral
BrandQuantum
ModelQ280
CategoryStorage
LanguageEnglish

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