Seagate ST41201K User manual

o
Elite
Disc
Drive
ST
41201
K
Reference
Manual
(
IPI
Interface
)
o
o
I
4
Seagate
r

Elite
Disc
Drive
ST
41201
K
(
97509
-
12
G
)
Reference
Manual
(
IPI
Interface
)
General
Maintenance
Information
Planning
the
System
Interface
Functions
Publication
Number
:
83327330
-
A
Seagate

Seagate
Disc
Drive
Product
Numbers
ST
N
XXX
A
Seagate
Technology
Form
Factor
Interface
4
=
5.25
inch
(
FH
)
6
=
9
inch
8
=
8
inch
J
=
SMD
-
O
/
E
K
=
IPI
-
2
N
=
SCSI
Unformatted
Capacity
Copyright
Notice
Seagate
,
Seagate
Technology
,
and
the
Seagate
logo
are
registered
trademarks
of
Seagate
Technology
,
Inc
.
This
publication
is
copyrighted
with
all
rights
reserved
and
may
not
be
copied
,
in
whole
or
in
part
,
without written
permission
of
Seagate
Technology
,
Inc
.
Seagate
reserves
the
right
;
to
change
product
offerings
or
specifications
without notice
.
Publication
Number
:
83327330
Revision
:
A
Date
:
June
1
,
1990
©
1990
By
Seagate
Technology
,
Inc
.
Technical
Publications
Department
12701
Whitewater
Drive
55343
Minnetonka
,
MN
A
Comment
Sheet
is
provided
at
the
We
value
your
comments
,
back
of
this
manual
.
Printed
in
the
United
States
of
America
83327330
A
f
-
2

CONTENTS
Preface
f
-
7
Important
Safety
Information
and
Precautions
f
-
9
1
.
GENERAL
MAINTENANCE
INFORMATION
Introduction
Electrostatic
Discharge
Protection
Maintenance
Tools
and
Materials
Testing
the
Drive
Drive
Diagnostics
System
Software
Voltage
Checks
Identifying
Assemblies
in
the
Drive
Maintenance
Procedures
Observing
Maintenance
Precautions
Arranging
for
Depot
Repair
Removing
and
Replacing
a
Drive
Removing
and
Replacing
a
Power
Supply
Packing
a
Drive
for
Shipment
1
-
1
1
-
1
1
-
2
1
-
3
1
-
3
1
-
3
1
-
4
1
-
5
1
-
7
1
-
7
1
-
8
1
-
8
1
-
9
1
-
9
2
.
PLANNING
THE
SYSTEM
Introduction
Guidelines
for
Enclosure
Design
Guidelines
for
Proper
Airflow
Guidelines
for
I
/
O
Cabling
Programming
the
Sweep
Cycle
Function
2
-
1
2
-
1
2
-
4
2
-
7
2
-
13
83327330
A
f
-
3

3
.
INTERFACE
FUNCTIONS
Introduction
I
/
O
Cables
Interface
Signal
Processing
States
3
-
1
3
-
2
3
-
4
3
-
4
Sequences
Bus
Controls
3
-
9
3
-
12
Command
Controls
Response
Controls
Data
Controls
3
-
12
3
-
13
3
-
14
Status
3
-
17
Status
Response
Extended
Status
Response
Drive
Specific
Information
Unit
Selection
General
Drive
Accessibility
Select
Priority
Select
Reserve
Priority
Reserve
Release
Port
Enable
/
Disable
Attention
Spindle
Synchronization
Designating
a
Master
Using
the
Master
Select
Plug
Designating
a
Master
Using
Bus
Controls
3
-
17
3
-
17
3
-
22
3
-
28
3
-
28
3
-
29
3
-
29
3
-
30
3
-
30
3
-
30
3
-
30
3
-
31
3
-
31
3
-
31
3
-
32
3
-
32
FIGURES
1
-
5
Drive
Components
The
Power
Supply
1
-
1
1
-
6
1
-
2
83327330
A
f
-
4

Drive
Mounting
Dimensions
Power
Supply
Mounting
Dimensions
Perpendicular
Airflow
Lengthwise
Airflow
Cabling
With
One
Cabinet
Cabling
With
Two
Cabinets
Cabling
With
Three
Cabinets
Servo
Board
Switches
Interface
Lines
Bus
State
Diagram
Status
Response
Extended
Status
Response
2
-
2
2
-
1
2
-
3
2
-
2
2
-
5
2
-
3
2
-
6
2
-
4
2
-
10
2
-
5
2
-
11
2
-
6
2
-
12
2
-
7
2
-
14
2
-
8
3
-
2
3
-
1
3
-
5
3
-
2
3
-
18
3
-
3
3
-
20
3
-
4
TABLES
Maintenance
Tools
and
Materials
Cabling
Components
Shielded
I
/
O
Cables
Interface
Lines
Interface
State
Functions
Seguences
Command
Summary
Response
Summary
Data
Control
Summary
Native
-
Controlled
Diagnostic
Status
Codes
Native
-
Contro
1
led
Diagnostic
Fault
Codes
Interface
Controlled
Diagnostic
Status
Codes
Interface
Controlled
Diagnostic
FRU
Codes
Interface
Contro
11
ed
Diagnostic
Fault
Codes
1
-
2
1
-
1
2
-
8
2
-
1
2
-
9
2
-
2
3
-
1
3
-
3
3
-
6
3
-
2
3
-
10
3
-
3
3
-
4
3
-
12
3
-
14
3
-
5
3
-
6
3
-
15
3
-
7
3
-
23
3
-
8
3
-
25
3
-
9
3
-
26
3
-
10
3
-
27
3
-
11
3
-
27
83327330
A
f
-
5

PREFACE
This
manual
is
a
reference
book
for
users
of
the
Seagate
ST
41201
K
Elite
disc
drives
(
employing
the
IPI
interface
)
,
supplements
the
information
presented
in
the
user
'
s
manual
,
is
intended
to
aid
engineers
who
are
designing
subsystems
using
the
drive
and
customer
engineers
who
install
and check
out
the
drive
.
user
1
s
manual
.
It
It
This
manual
should
be
used
in
conjunction
with
the
The
information
in
this
manual
is
presented
as
follows
:
Section
1
General
Maintenance
Information
,
information
on
warnings
and
precautions
,
maintenance
tools
and
materials
,
testing
the
drive
,
and
maintenance
procedures
.
Contains
Section
2
-
Planning
the
System
.
Provides
guidelines
for
enclosure
design
and
for
proper
airflow
,
and
discusses
the
various
sweep
cycle
options
.
Section
3
Interface
Functions
,
interface
:
the
signal
lines
,
interface
signal
processing
,
unit
selection
,
and
spindle
synchronization
.
Describes
the
IPI
New
features
,
technical
changes
,
additions
,
and
deletions
in
this
manual
are
indicated
as
follows
:
A
vertical
bar
in
the
outer
margin
of
a
page
marks
the
changed
area
.
A
dot
by
the
page
number
indicates
the
entire
page
contains
new
or
changed
information
.
A
vertical
bar
by
the
page
number
indicates
the
information
was
moved from
another
page
,
but
there
were
no
technical
or
editorial
changes
.
83327330
A
f
-
7

The
following
manuals
apply
to
the
Elite
disc
drive
.
They
are
available
from
:
Seagate
Technology
,
Inc
.
Customer
Services
12701
Whitewater
Drive
Minnetonka
,
MN
55343
Phone
:
(
612
)
931
-
8612
Fax
:
(
612
)
931
-
8817
Publication
No
.
Title
ST
41201
K
User
'
s
Manual
(
contains
general
description
,
installation
procedures
,
operating
instructions
,
parts
data
,
and
maintenance information
)
833273
20
ST
41201
K
Reference Manual
83327330
For
more
information
about
the
drive
and
interface described
in
this
manual
,
you
can
request
copies
of the
following
specifications
from
your
Seagate
sales
representative
:
SpecificatLon
No
.
Title
Specification
for
Synchronized
Spindle
Systems
64403300
Product
Specification
for
the
ST
41201
K
Elite
Disc
Drive
64403102
Seagate
Specification
for
the
IPI
-
2
Intelligent Peripheral
Interface
647316
i
30
Device
Specific
Command
Set
for
Magnetic
Disc
Drives
(
IPI
-
2
)
ISO
9 3
L
8
-
2
Enhanced
Physical
Level
(
IPI
)
ISO
9318
-
6
83327330
A
f
-
8

IMPORTANT
SAFETY
INFORMATION
AND
PRECAUTIONS
Use
of
proper
safety
and
repair
techniques
is
important
for
safe
,
reliable
operation
of
this unit
.
Service
should be done
only by
qualified
persons
.
We
recommend the
procedures
in
this
manual
as
effective
ways
of
servicing
the
unit
.
Some
procedures
require
the
use
of
special
tools
.
For
proper
maintenance
and
safety
,
you
must
use
these
tools
as
recommended
.
The
procedures
in
this
manual and labels
on
the
unit
contain
warnings
and
cautions
that
must
be
carefully
read and followed
to
minimize
or
eliminate
the
risk
of
personal
injury
,
warnings point
out
conditions
or
practices
that
may
endanger
you
or
others
.
that
may
damage
the
unit
,
possibly making
it
unsafe for
use
.
The
The
cautions
point
out
conditions
or
practices
You
must
also
understand that
these
warnings
and
cautions
are
not
exhaustive
.
We
cannot
possibly
know
,
evaluate
,
and
advise
you
of
all the
ways
in
which
maintenance
might
be
performed
or
the
possible
risk
of
each
technique
.
Consequently
,
we
have
not
completed
any
such
broad
evaluation
.
If
you
use a non
-
approved
procedure
or
tool
,
first
ensure
that
the
method
you
choose
will
not
risk either
your
safety
or
unit
performance
.
For
the
safety
of
yourself
and
others
,
observe the
following
warnings
and
precautions
.
Perform all
maintenance
by
following
the
procedures
in
this
manual
.
Follow
all
cautions
and
warnings
in
the
procedures
and
on
unit
labels
.
Use
sound
safety
practices
when
operating
or
repairing
the
unit
.
Use
caution
when
troubleshooting
a
unit
that
has
voltages
present
.
Remove
power
from
unit
before
servicing
it
.
Wear
safety
shoes
when
removing
or
replacing
heavy
parts
.
In
case
of
fire
or
other
emergency
,
a means
must
be
provided
to
isolate
the
drive
from
main
power
.
When
the
drive is
mounted
in
an
equipment
rack
or
cabinet
,
ensure
that
the
internal
temperature
of the
rack
or
cabinet
will
not
exceed
the
limits
defined
for
the
drive
.
attention
to
the
top
where
temperatures
are
usually
highest
.
Where
units
are
stacked
vertically
,
pay
special
83327330
A
f
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9