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Hard Drive: SEAGATE: ST1133NS 113MB 3.5"/HH SCSI2 SE |
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S T 1 1 3 3 N S SEAGATE
NO MORE PRODUCED Native| Translation
------+-----+-----+-----
Form 3.5"/HH Cylinders 1268| | |
Capacity form/unform 113/ 133 MB Heads 5| | |
Seek time / track 15.0/ 4.0 ms Sector/track 35| | |
Controller SCSI2 SINGLE-ENDED Precompensation
Cache/Buffer 32 KB Landing Zone
Data transfer rate 1.250 MB/S int Bytes/Sector 512
5.000 MB/S ext SYNC
Recording method RLL 2/7 operating | non-operating
-------------+--------------
Supply voltage 5/12 V Temperature *C 10 50 | -40 70
Power: sleep W Humidity % 8 90 | 5 95
standby W Altitude km -0.305 3.048| -0.305 12.192
idle W Shock g 2 | 50
seek W Rotation RPM 3600
read/write 11.5 W Acoustic dBA 43
spin-up W ECC Bit 48
MTBF h 150000
Warranty Month 12
Lift/Lock/Park YES Certificates CSA,FCC,UL478,VDE
SEAGATE ST1126/1133/1162/1186/1201/1239-N PRODUCT MANUAL 36132-006
Standard I/O
============
+-------------------------------------------------------+
| |XXXX Power
| 1-+ |
| | | |X1
| Resistor | | |XX
| Termination +-+ |XX SCSI
| Packs 1-+ |XX Connec-
| | | |XX tor
| | | |XX
| +-+ |XX
| 1-+ |XX
| | | |XX
| | | |+-1
| +-+ || | SCSI ID
| +-+|| |
+----------------------------------------------------+-+++-11
Termination Power
Reoriented I/O
==============
+-------------------------------------------------------+
| |XXXX Power
| 1-+ |
| | | |XX
| Resistor | | |XX
| Termination +-+ |XX SCSI
| Packs 1-+ |XX Connec-
| | | |XX tor
| | | |XX
| +-+ |XX
| 1-+ |XX
| | | |1X
| | | |+-1
| +-+ || | SCSI ID
| +-+|| |
+----------------------------------------------------+-+++-11
Termination Power
SEAGATE ST1126/1133/1162/1186/1201/1239-N PRODUCT MANUAL 36132-006
Jumper setting
--------------
J2 SCSI ID jumpers -------------------- +----------------+-------+-------+-------+------+-------+-------+ | SCSI ID | 11-12 | 10-9 | 8-7 |6-5 | 4-3 | 2-1 | +----------------+-------+-------+-------+------+-------+-------+ | 0 | | | |OPEN | OPEN | OPEN | +----------------+-------+-------+-------+------+-------+-------+ | 1 | | | |OPEN | OPEN | CLOSED| +----------------+-------+-------+-------+------+-------+-------+ | 2 | | | |OPEN | CLOSED| OPEN | +----------------+-------+-------+-------+------+-------+-------+ | 3 | | | |OPEN | CLOSED| CLOSED| +----------------+-------+-------+-------+------+-------+-------+ | 4 | | | |CLOSED| OPEN | OPEN | +----------------+-------+-------+-------+------+-------+-------+ | 5 | | | |CLOSED| OPEN | CLOSED| +----------------+-------+-------+-------+------+-------+-------+ | 6 | | | |CLOSED| CLOSED| OPEN | +----------------+-------+-------+-------+------+-------+-------+ | 7 | | | |CLOSED| CLOSED| CLOSED| +----------------+-------+-------+-------+------+-------+-------+ |Enable Parity | | | CLOSED| | | | +----------------+-------+-------+-------+------+-------+-------+ |Start/Stop | | CLOSED| | | | | +----------------+-------+-------+-------+------+-------+-------+ |Ext.Spindle | OPEN | | | | | | |Sync. Connection| | | | | | | +----------------+-------+-------+-------+------+-------+-------+
Pin 1-2: Least Significant Bit
3-4: Next Significant Bit
5-6: Most Significant Bit
Start/Stop option
-----------------
When a jumper is installed on pins 9 and 10, the drive waits for a
Start Unit command from the host before starting the spindle motor.
The spindle motor is also stopped using this command.
External Spindle Motor Synchronization
--------------------------------------
Note: this option is available on the ST1133N, ST1186N, ST1201N, and
ST1239N only.
Terminator Power Source Select
------------------------------
----+----+--PCB-- A-B Drive Power Connector (Factory Default)
|D C| A-C Drive from SCSI Bus
|B A| A-C & B-D Drive from Power Connector and Provide
+----+ to SCSI Bus
B-D Only Provide to SCSI Bus
50-Pin SCSI Connector Pin Assignments
-------------------------------------
Signal Pin No. Signal Pin No.
----------------------------------------
-DB(0) 2 Ground 28
-DB(1) 4 Ground 30
-DB(2) 6 -ATN 32
-DB(3) 8 Ground 34
-DB(4) 10 -BSY 36
-DB(5) 12 -ACK 38
-DB(6) 14 -RST 40
-DB(7) 16 -MSG 42
-DB(P) 18 -SEL 44
Ground 20 -C/D 46
Ground 22 -REQ 48
Ground 24 -I/O 50
Terminator 26
Power
Note: All odd pins, except pin-25 are connected to ground. Pin-25
is open.
Caution: Pin 25 must not be connected to ground at the host end or
the drive end of the cable. If the I/O connector should
accidentally be plugged in upside down, terminator power
would then be shorted to ground.
The minus sign next to signals means that the asserted state is the
low voltage of the two levels used for logic signals.
DC Power and pin connector assignments
--------------------------------------
+------------+ 1 = + 12 VDC
| 1 2 3 4 | 2 = + 12 Volts return
+------------+ 3 = + 5 Volts return
4 = + 5 VDC
SEAGATE ST1126/1133/1162/1186/1201/1239-N PRODUCT MANUAL 36132-006
Notes on installation
=====================
Drive mounting
--------------
horizontally vertically
+-----------------+ +--+ +--+ +------------------+
| | | +-----+ +-----+ | | | x
| | | | | | | | x+----------------+x
+-+-----------------+-+ | | | | | | ||x x||
+---------------------+ | | | | | | || x x ||
| | | | | | || x x ||
x x | | | | | | || x x ||
+------x------x-------+ | +-----+ +-----+ | || xx ||
+-+------x--x-------+-+ +--+ +--+ || x x ||
| xx | || x x ||
| x x | || x x ||
+---x--------x----+ |x x|
x x x++----------------++x
UNACCEPTABLE! UNACCEPTABLE!
Never install PC board on the Top!
The drive may be mounted horizontally with the PC board down or on
either side. Mounting vertically on either end is a prohibited orien-
tation.
For optimum performance, the drive should be formatted in the same
position as it will be mounted in the host system.
Do not mount the drive vertically on either end.
Shock and vibrations
--------------------
All shock and vibration specifications assume that the drive is moun-
ted in an approved orientation with the input levels at the drive
mounting screws.
During normal operating shock and vibration, there is no physical
damage to the drive and performance is not degraded.
During abnormal operating shock and vibration, there is no physical
damage to the drive, although performance may be degraded during the
shock or vibration episode. Drive performance will return to speci-
fications when normal operating shock levels resume.
Handling and Static-Discharge Precautions
-----------------------------------------
After unpacking, and prior to system integration, the drive may be
exposed to potential handling and ESD hazards. It is mandatory that
you observe standard static-discharge precautions. A grounded wrist-
strap is preferred. Handle the drive by the frame only and always
rest the drive on a padded surface until it is mounted in the host
system.
Caution: to avoid potential service problems, observe the following
precautions:
- Handle the drive by the edges or frame. Do not put pressure on the top cover or touch the circuit board. - Do not remove or cover factory-installed labels. They contain in- formation needed to service the product. - Do not put labels over the brather holes on the top surface of the drive. The breather holes must remain clear to allow air to circu- late. - If a label, other than a factory-installed label, has been placed over the breather holes, remove it. Do not poke holes through the label. This damages the filter underneath, allowing contaminants to enter the drive. - Do not use solvents to remove the adhesive residue from drive labels. Small amounts of solvent may get into the unit and conta- minate the disc. - Do not plug a live DC power cabel into the drive power connector. This damages the connector contacts.
FCC Verification
----------------
This equipment has been tested with a Class B computing device and
has been found to comply with Part 15 of the FCC rules. These limits
are designed to provide reasonable protection against harmful inter-
ference in residential installations. This equipment generates, uses,
and can radiate radio frequency energy, and if not installed and used
in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that will not
occur in a particular installation.
Caution: Any changes or modifications to the equipment by the user
not expressly approved by the garantee or manufacturer could void the
user's authority to operate such equipment.
Note: This digital apparatus does not exceed the Class B limits for
radio noise emissions from digital apparatus as set out in the radio
interference regulations of the Canadian Department of
communications.
SCSI Interface
--------------
The interface is compatible with the mandatory subset of the ANSI
SCSI-2 Interface Specification and the Common Command Set (CCS)
document.
In addition, the interface includes automatic features that relieve
the host from the necessity of knowing the physical architecture of
the target.
The physical interface consists of single-ended drivers and receivers
using asynchronous or synchronous communication protocols that
support cable lengths of up to 6 meters and a bus interface transfer
rate of up to 1.25 Mbytes/sec asynchronous and 5.0 Mbytes/sec
synchronous. The drive is always a target on the SCSI bus.
Sway
----
The sway of the HDA left to right and front to rear is within the
envelope. The sway of the HDA up and down is .18 inches outside the
envelope.
SCSI Connector
--------------
The drive may be daisy-chained to other SCSI devices using a common
cable. The SCSI devices at both ends of the daisy-cain are to be
terminated. Intermediate SCSI devices shall not be terminated. All
signals are common between all SCSI devices. The drive may be daisy-
chained only with SCSI devices that have single-ended driver and
receivers. A maximum of eight SCSI devices (including the Host) can
be daisy-chained together.
Single-Ended Drivers/Receivers
------------------------------
The drive uses single-ended drivers and receivers. Terminator
circuits should be installed only on the last drive in the daisy-
chain.
Cable requirements
------------------
Only nonshielded cable connectors are applicate. A 50 conductor flat
cable or 25 twisted pair cable shall be used. The maximum cable
length is 6.0 meters. A stub length of no more than 0.1 meter is
allowd off the mainline interconnection at any connected equipment.
A characteristic impedance of 100 10% is recommended for un-
shielded flat or twisted-pair ribbon cable. However, most of the
commonly-avialable cables have a somewhat lower characteristic
impedance. To minimize discountinuites and signal reflections, cables
of different impedances should not be used in the same bus. If the
same SCSI bus uses both shielded and unshielded cables, problems may
result from impedance mismatch.
In implementing your system, you may encounter trade-offs in
shielding effectiveness, cable length, the number of loads, transfer
rates, and cost to achieve satisfactory system operation.
A minimum conductor size of 28 AWG should be used to minimize noise
effects.
External Spindle Motor Synchronization
--------------------------------------
Note: this option is available on the ST1133N, ST1186N, ST1201N, and
ST1239N only.
The external spindle motor synchronization option allows for synchro-
nized rotation of multiple disc drives in a system. Drives configured
to source a spindle clock signal are not interchangeable with drives
configured to one of the following modes:
Use internal spindle clock, omit spindle reference clock.
- Use external spindle clock with a line terminator. - Use external spindle clock without the line terminator.
The spindle rotation synchronization uses one of the following
methods:
- Reference clock is generated by the controller. All the disc drives are connected radially to the controller. Each end must be terminated.
Reference clock is generated by a master disc drive. All disc drives
are connected in parallel (daisy-chain) to the master disc drive. The
master disc drive end and the last drive in the chain must be
terminated. The cable consists of two #28 AWG wires. The maximum
cable length is 20 ft (6.1 meters). The external spindle clock
connector header is mounted on the disc drive main PCB. Posistion 6
of the SCSI ID Address and Option Select Jumpers is used for the
external spindle clock connection.
The external spindle clock signal shares balanced differential
drivers, balanced differential receivers and terminators with the
data transfer section.
Terminators
-----------
There are three internal drive I/O termination SIP resistor modules
that plug into sockets on the PC board. You can order the drive with
or without these terminators, depending on the application. All
single initiator/single target applications require that the
initiator and drive be terminated. Daisy-chain applications require
that only the units at each end of the daisy-chain be terminated. All
other peripherals on the chain should not be terminated.
All interface signals with the drive are single-ended and must be
terminated with 220 to 5V and 330 to ground at each end ot the
total cable. All signals use open collector of three state drivers.
Note: Remove terminator resistor packs where terminators are not
required. Removal of terminator power source selection jumper does
not disconnect the terminator resistors from the circuit.
Terminator Power
----------------
The drive can be configured to supply terminator power for the SCSI
Bus. The drive also may be configured to accept terminator power via
Pin 26 of the SCSI bus or to provide terminator power for optional
internal termination resistors via the drive power connector. If
terminators are installed, jumpers must also be installed.
DC Power Specification
----------------------
Except during the write procedure, power may be applied or removed in
any sequence without loss of data or damage to the drive. If you turn
off the power during the write procedure, you may lose the data
beeing written.
A 10% tolerance for 5 VDC and +10/-15% tolerance for the 12 VDC is permissible during the first 10 seconds of power up. A voltage tolerance of 5% must be maintained after this initial start period.
SEAGATE ST1126/1133/1162/1186/1201/1239-N PRODUCT MANUAL 36132-006
Introduction
------------
These products are high capacity, high performance drives incor-
porating an embedded SCSI controller.
The SCSI Interface used in the Swift drive is compatible with the
ANSI SCSI standard and the Common Command Set (CCS) document,
Revision 4.B. Swift SCSI interface drives are classified as
"intelligent peripherals." These drives provide Level 2 conformance
with the ANSI SCSI standard.
UL/CSA Listing
--------------
The Swift SCSI disc drives comply with UL 478 and UL 1950, CSA C22.2
No. 220-M1986, VDE 0806/8.81 and EN 60 950/1.88
VDE Listing
-----------
The Swift SCSI disc drives comply with VDE 0806/8.81 and
EN 60 950/1.88
Format capacity
---------------
The sector size is user-selectable (256-4,096) at format time. The
user may modify the sector size before issuing a format command and
obtain different formatted capacities. User available will depend on
the spare reallocation method selected.
The maximum execution time for a format command is 20 minutes.
Reliability
-----------
Read error rates are measured with automatic retries and data
correction with ECC enabled and all flaws reallocated. MTBF is
measured at nominal power, sea level, and 40*C ambient temperature.
MTBF 150,000 power on hours
MTTR 30 Minutes
Seek Time Definition and Timing
-------------------------------
Seek time is a true statistical average (at least 5,000 measure-
ments) of seek time less drive internal and external host overhead.
All measurements are calculated under nominal conditions of tempera-
ture, voltage and horizontal orientation.
Track-to-track access time is the average of all possible single-
track seeks in both directions. Average seek time is measured by
executing seek in both directions between random cylinders or Logi-
cal Block Addresses (LBA). Full-stroke access time is one-half the
time needed to seek from LBA zero to the maximum LBA and back to LBA
zero.
Note: Host overhead varies between systems and cannot be specified.
Drive internal overhead is measured by issuing a no-motion seek
from the highest Logical Block Address. Overhead is typically
less than 1.5
|ST11**N |
----------------------------------+--------+
Track-to-Track msec. typ. | 4 |
msec. max. | 5 |
Average msec. typ. | 15 |
Average msec. max. | 16 |
Full-Stroke msec. typ. | 33 |
msec. max. | 35 |
Latency msec. avg. | 8.33 |
----------------------------------+--------+
SCSI Bus
--------
Communication on the SCSI bus is allowed between only two SCSI
devices at a time. There can be a maximum of eigth SCSI devices
including the host computer(s) connected to the SCSI bus. Each SCSI
device has a SCSI ID bit assigned. The SCSI ID is assigned by
installing from zero to three jumper plugs onto a connector in a
binary coded configuration during system configuration.
When two SCSI devices communicate on the SCSI Bus one acts as an
initiator and the other acts as a target. The initiator (typically a
host computer) originates an operation and the target performs the
operation. The drive always operates as a target.
The Host Adapter/Initiator must be identified by one of the eight
SCSI Device Addresses. When installing drives on the SCSI Bus make
sure no drive has the same address as the Host Adapter.
Certain SCSI bus functions are assigned to the initiator and certain
SCSI bus functions are assigned to the target. The initiator will
select a particular target. The target will request the transfer of
Command, Data, Status or other information on the data bus.
Thermal Compensation
--------------------
The Thermal Compensation operation compensates for thermal-related
position offset on the selected head. Thermal Compensation is per-
formed during startup and every 2 minutes thereafter. This periodic
compensation coincides with a host command service operation. The
last command execution time will increase by 100 msec. typical or
125 msec. maximum.
Read/Write Head Auto-Park
-------------------------
Upon power-down, the read/write heads automatically move to the
shipping zone. All portions of the head/slider assembly park inboard
of the maximum data cylinder. When power is applied, the heads re-
calibrate to Track 0.
Start/Stop Time
---------------
After DC power has been applied, the drive becomes ready within 20
seconds unless the Motor Start option is disabled. During this time,
the drive responds to the SCSi interface. Stop time is about 10
seconds if the drive was commanded to stop and DC power was not
removed. Otherwise, no dynamic braking is applied, so stop time is
considerably longer than 10 seconds.
If the Motor Start option is enabled the internal controller accepts
a Motor Start, Inquiry, or Request Sense command via the SCSI inter-
face 3 seconds after DC power has been applied. After the Motor Start
command has been received, the drive becomes ready for read/write
operations within 20 seconds. During this time, the drive responds to
the SCSI interface.
Note: Do not move the drive until the motor has come to a complete
stop.
There is no power control switch on the drive.
SEAGATE SCSI CONNECTOR
Evolution of the SCSI Connector:
The Single Connector Standard
-----------------------------
Introduction
------------
The advent of SCSI as the interface of choice among high-performance
system designers has provided several benefits for the computing
industry. Unlike traditional interface designs which usually only
allow two data storage peripherals, SCSI allows the use of multiple
peripherals operating on a common bus. Because of the expandability,
power and flexibility afforded by this implementation, system
designers quickly embraced SCSI as the optimal interface for
performance intensive computing platforms.
Unfortunately, the very elements which provide this flexibility and
expandability also created difficulty in the configuration and
installation of several peripherals within a single enclosure.
Furthermore, the increasing popularity of disc arrays and
mass-storage subsystems has created the need for efficient and
simplified component designs.
Currently, installing a SCSI drive is a complex procedure. Apart from
physically mounting the drive within the system chassis, there are
the additional tasks of attaching the interface and power cables to
their appropriate connectors, and placing several jumpers on the
circuit board to configure the drive for proper operation within the
SCSI subsystem.
These jumpers are used to designate mandatory options such as a
specific SCSI ID for that drive, and application specific
options such as a delayed or remote start of the spindle motor. If a
visual indication of drive operation is desired, an additional cable
attachment is necessary for the activity LED. For applications which
require several drives to synchronize their spindle rotation, yet
another connection must be made to provide the drive with an external
clock signal.
To complicate matters, the SCSI interface itself is specifically
designed to accommodate the concurrent operation of several
peripherals simultaneously. Under such circumstances, the task of
configuring, installing and connecting several peripherals multiplies
the number of necessary operations. Maintenance of such an
arrangement can become very complicated -- the proverbial "Plumber's
nightmare."
The Single Connector Standard as proposed by Sun Microsystems,
Seagate Technology and other drive manufacturers is an ideal design
solution for these problems. The Single Connector was created to
facilitate the expandability and flexibility of the SCSI interface,
while simplifying the intricacies of peripheral installation and
interconnection. In addition to vastly simplifying this process, the
standard also encompasses all of the critical elements necessary for
migration to the Fast and Wide implementations of SCSI.
Evolution of the Connector
--------------------------
In short, the Single Connector is true to its name. It integrates the
power connector, the interface connector, the SCSI ID jumpers, the
LED signal, and several other functions into a single unit. The
intent of the design is to create a single point of contact for all
electrical and electronic connection necessary to operate a SCSI
peripheral. As such, it represents an evolution from earlier,
disjoint methods to a single, unified system of peripheral
attachment.
Present within the connector is the full complement of interface
signals required for the 8-bit bandwidth of the standard SCSI
interface. Also present, are the additional signal lines required for
Fast/Wide SCSI, which support 16-bit operation as well. The Fast/Wide
SCSI specification also extends the maximum number for peripherals
common to a SCSI bus from eight units to 16 units. The Single
Connector Standard provides support for all requirements for the
operation of Fast/Wide SCSI. Therefore, the migration to Fast/Wide
SCSI from standard SCSI is already built into the specification.
In addition to the interface signals, the standard also includes the
provision of setting a device's SCSI ID via system software. Four
signal lines have been designated to allow the host system to assign
a device's SCSI ID. This includes option of dynamically reassigning
and software device selection. For applications which require
on-the-fly adjustment of the peripheral ID and selection status on
the SCSI bus, this feature is invaluable.
Special features required by specific types of applications have also
been integrated in to the Single Connector specification. First, the
inclusion of a specific Spindle Synchronization signal will provide
an essential feature to the design of many disc array and RAID array
systems. The synchronization process begins with a clock pulse
generated by an external source, such as the host, or perhaps another
drive. An individual drive is able to coordinate the rotation of its
spindle motor to the clock signal, which insures all drives within
that subsystem are rotating in concert. Many disc arrays require this
feature for coherent operation of multiple components as a unified
whole.
Other special features supported by the connector are Delayed Spindle
Start and Remote Spindle Start.
Delayed motor start is usually necessary for systems which need time
to initialize the host system before the drives are needed on-line.
Certain systems have special power consumption requirements which
also require the Delayed Spindle.
Start option. The Remote Spindle
Start option is a feature which allows the host to control when the
drive initiates spin-up of the spindle motor. In large disc arrays
some drives are assigned special functions (such as data backup), and
consequently are used rarely. In such cases there is no need for the
drive to be spinning, as long as the electronic circuitry on the
drive is active. Remote Spindle Start allows the drive's electronics
to remain active, while the spindle is at rest. When data is
necessary from the drive, the command is sent to start the spindle
motor. This feature conserves system power and minimizes wear on the
spindle motor.
The last elements integrated into the Single Connector are the power lines. The specification provides both +5 Volt and +12 Volt power, with dedicated ground for each. Specifically, there are four +12 Volt and 12 Volt ground lines, with three +5 Volt and 5 Volt ground lines. The power and ground lines are strategically positioned on the connector to mitigate the effects of electro-magnetic interference with the signal lines.
Finally, the connector was originally designed to fit onto the
chassis of low profile (1-inch height) 3.5" disc drive.
However, the connector itself can fit 1.6-inch high 3.5-inch disc
drives and 2.5-inch drives as well. This flexibility provides
for the migration to smaller form-factor drives as well.
Advantages
----------
The structure of the connector connotes modifications to the host
chassis. The impetus for the development of the Single Connector was
the need for simplification of the host design. The chief objectives
included the reduction of complexity in attaching or replacing a
peripheral. Essential to the simplification process is the
implementation of a series of mating connectors mounted on the host
system backplane. Properly designed backplanes would allow the
installation of a drive without the need for attaching any cables. In
fact, backplane mounting provides an immediate solution for two
common problems associated with traditional installment. First, the
Single Connector backplane avoids the tangle of interface cables,
power cables, LED activity indicators and so forth. Fears of
malfunctioning wires and twisted cables are also allayed. One
connection provides for all of the functions and helps alleviate all
of the problems.
More importantly, electro-magnetic noise which is incurred from
adjacent cables is completely eliminated, since there are no cables
necessary in the interface connection. This helps preserve the
integrity of the data on the SCSI bus and prevents signal corruption.
Probably the best feature of the of Single Connector implementation
is the capability it provides for blind mating the drive to the host.
Since all necessary functions are integrated within the connector, a
single action is all that is necessary to install a drive. Blind
mating greatly simplifies peripheral attachment in critical
applications such as network data servers, RAID arrays and data
backup systems. With proper design of the backplane and mounting
frame, a technician will be able to install a drive by simply sliding
the drive along the mounting rails until it mates with the
connector. The installation would be done without the need for
reaching in to the mounting enclosure, without setting any
configuration jumpers, or attaching any cables. Even the drive
configuration can be done by the host via the ability to softselect
the drive's SCSI ID and operating parameters. Blind plane mating
gives the Single Connector unparalleled ease and time savings for
peripheral installation.
Summary
-------
The manifold advantages of Single Connector are largely self-evident.
The spindle synchronization and ease of mounting create an excellent
solution for RAID implementations. The capability to remotely
configure the drive and ease of installation naturally lends the
Single Connector for use in networked environments.
Furthermore, the ability to migrate to other platforms is a key
factor in the viability and growth potential of the Single Connector
Standard. Therefore, the single Connector is an excellent choice for
system designers wishing to simplify the host design process through
streamlining and integration. The ability to migrate upward to
Fast/Wide SCSI, or down-size to the 2.5-inch form-factor,
concurrently allows the system to accommodate higher bus bandwidths
and upcoming peripheral form-factors.
The Single Connector provides unprecedented ease, speed and
integrated upgradability within a single specification. It has a high
potential for simplifying a vast number of applications while
simultaneously reducing installation time and costs. The Single
Connector signifies an evolution of the SCSI connector. It provides
the rarest of combinations:
enhanced simplicity, reduced cost, and an increased time savings.
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