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Hard Drive: CONNER: CP-2124 121MB 2.5"/SSL IDE / AT




C P - 2 1 2 4    CONNER
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 2.5"/SUPERSLIMLINE    Cylinders    1120|  762|     |
Capacity form/unform   121/      MB        Heads           4|    8|     |
Seek time   / track  17.0/ 5.0 ms          Sector/track   53|   39|     |
Controller           IDE / AT              Precompensation
Cache/Buffer            32 KB              Landing Zone
Data transfer rate    2.250 MB/S int       Bytes/Sector      512
                      9.750 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5 V          Temperature *C         5 55    |    -40 60
Power: sleep          0.1 W     Humidity     %         8 80    |      8 80
       standby        0.3 W     Altitude    km    -0.061  3.050|        12.200
       idle           1.0 W     Shock        g        10       |    100
       seek           2.0 W     Rotation   RPM      3776
       read/write     2.0 W     Acoustic   dBA        34
       spin-up            W     ECC        Bit
                                MTBF         h     150000
                                Warranty Month        24
Lift/Lock/Park     YES          Certificates

Layout

CONNER CP2124 QUICK REFERENCE GUIDE REV. C, 12/1994

  +------------------------------------------------------+
  | +-+                                                  |X44
  | | |                                          +++   I |XX Power
  | | |                                         S+++D  N |XX +5V 41/42
  | +-+                                         M+++C  T |XX GND 43
  |                                                    E |XX
  |                                                    R |XX
  |                                                    F |XX Position
  |                                                    A |XX 20-Key
  |                                                    C |XX
  |                                                    E |XX
  |                                                      |XX
  |                                                      |XX
  |                                                      |1X
  |                                                      |XX Factory
  |                                                      |XX test
  +------------------------------------------------------+   points

Jumpers

CONNER CP2124 QUICK REFERENCE GUIDE REV. C, 12/1994

Jumper Setting
==============

 MS/CD   Master/Slave
 --------------------
      M/S  C/D    For Master (C Drive) when M/S is CLOSED, place
      +-+         Jumper as shown.
      |*|  *
      |*|  *
      +-+

      M/S  C/D     If Master/Slave feature is selected at Pin 28 of
       *   *       the interface/power connector, jumper M/S should
      +-----+      be left open as ashown.
      |*   *|
      +-----+

The CP2124 drive is designed to operate either as a Master drive (C
Drive) or a Slave Drive (D Drive). This feature is dependent on two
drive settings; the status of hardware Jumper M/S and the firmware
setting of a feature bit. When (M/S) is closed, and the feature bit
is set, the drive will assume the role of a Master Drive. When (M/S)
is open, and the feature reset, the drive will act as the Slave. In
single drive configurations M/S must remain in the closed position.

Install

CONNER CP2124 PRODUCT MANUAL REV. II 1/1992

Notes on installation
=====================

Installation direction
----------------------

     horizontally                           vertically
   +-----------------+             +--+                       +--+
   |                 |             |  +-----+           +-----+  |
   |                 |             |  |     |           |     |  |
 +-+-----------------+-+           |  |     |           |     |  |
 +---------------------+           |  |     |           |     |  |
                                   |  |     |           |     |  |
                                   |  |     |           |     |  |
 +---------------------+           |  +-----+           +-----+  |
 +-+-----------------+-+           +--+                       +--+
   |                 |
   |                 |
   +-----------------+

The drive may be mounted in any attitude!

Recommended Mounting Configuration
----------------------------------
This CP2124 is designed to be used in applications where the unit
may experience shock and vibrations at greater levels than larger
and heavier disk drives.

The design features which allow greater shock tolerance are the use
of rugged heads and media, a dedicated landing zone, closed loop
servo positioning and specially designed motor and actuator
assemblies.

Four (4) side mounting points and four (4) bottom mounting points are
provided to the customer. The drive is mounted using 3mm x 0.5mm
thread screw. The screw insertion depth should not exceed 4mm into
the mounting holes. The system integrator should allow ventilation
to the drive to ensure reliable drive operation over the operating
temperature range.

For additional vibration isolation, an external suspension system
may be used.

Interface Connector
-------------------
The CP2124 drive has a 44 pin right angle interface/power connector
mounted on the PCB. The recommended mating connector is DuPont part
number 69764-044 or equivalent. The maximum cable lenght is two
feet.

Diagnostic Routines
-------------------
The microprocessor performs diagnostics upon application of power.
If an error is detected the drive will not come ready.

Magnetic Field
--------------
The externally induced magnetic flux density may not exceed 6 gauss
(DC - 700KHz) or 1.0 gauss (700KHz - 1.5MHz) as measured at the
drive surface.

Acoustic Sound Emission
-----------------------
Pressure: The sound pressure level for the operating drive will not
exceed 34 dB(A) max. at a distance of 1 meter from the drive.

Features

CONNER CP2124 PRODUCT MANUAL REV. II 1/1992

Key Features
------------
The CP2124 is a newest addition to a family of high performance 2.5
inch low-profile disk drives with formatted capacity 121.6 megabytes.
The drive has a 16 ms average seek time and is designed to operate
on IBM PC/AT or equivalent computers. The drives feature a low 5V
power requirement and high shock resistance, enabling battery
operation in a portable environment.

- 2.5" Form factor

- Single 5 Volt supply

- Low power requirements

- 7 oz unit weigth

 - High performance rotary voice coil actuator with embedded servo
   system.

- Single connector for power & interface

- Run length limited code (one of seven)

- High shock resistance

- Internal air filtration system

- Sealed HDA

 - Automatic actuator latch over data free landing zone during standby
   mode or power-down

 - Microprocessor-controlled diagnostics routines that are auto-
   matically executed at start-up.

- Automatic error correction and retries

- Block size 512 bytes

- PC AT Interface

- 1:1 sector interleave

- Automativ read look ahead

- 32K Buffer

- Master/Slave

Seek Times
----------

       +----------------------------------+--------+
       |Physical track to track      max. |   5 ms |
       |Logical                      max. |  10 ms |
       +----------------------------------+--------+
       |               Average msec. typ. |  17    |
       |               Average msec. max. |  35    |
       +----------------------------------+--------+
       |Latency                msec. avg. |   7.99 |
       +----------------------------------+--------+
       The timing is measured through the interface with the drive
       operating at nominal DC input voltages. The timing also assumes
       that:
             - BIOS and PC system hardware dependency have been
               subtracted from timing measurements.

             - The drive is operated using its translation parameters.

       The average seek time is determined by averaging the seek time
       for a minimum of 1000 seeks of random length over the surface
       of the disk.

Functional Description
----------------------
The CP2124 contains all necessary mechanical and electronic parts to
interpret control signals, position the recording heads over the
desired track, read and write data, and provide a contaminant free
environment for the heads and disks.

Read/Write and Control Electronics
----------------------------------
One integrated circuit is mounted within the sealed enclosure in
close proximity to the read/write heads. Its function is to provide
head selection, read preamplification, and write drive circuitry.

The microprocessor-controlled circuit card provides the remaining
electronic functions which include:

        - Read/Write Circuitry
        - Rotary Actuator Control
        - Interface Control
        - Spin Speed Control
        - Dynamic Braking
        - Power Management

A microprocessor performs diagnostics upon application of power. If
an error is detected the drive will not come READY. At power down or
the start of STANDBY MODE or SLEP MODE the heads are automatically
retracted to the inner diameter of the disk and are latched and
parked on a landing zone that is inside the data tracks.

Drive Mechanism
---------------
A brushless DC direct drive motor rotates the spindle at 3486 RPM.
The motor/spindle assembly is dynamically balanced to provide minimal
mechanical run-out to the disks and to reduce vibration of the HDA. A
dynamic brake is used to provide a fast stop to the spindle motor
and return the heads to the landing zone inside the data tracks
when power is removed or upon initiation of STANDBY MODE.

Air Filtration System
---------------------
Within the sealed enclosure, a 0.3 micron filter which provides a
clean environment for the heads and disks.

Head Positioning Mechanism
--------------------------
The read/write heads for the CP2124 is supported by a mechanism
coupled to the voice coil actuator.

Read/Write Heads and Disks
--------------------------
Data is recorded on 65mm diameter thin film disk through micro-
miniature THIN FILM or MIG heads.

The drive is designed to be used in applications where the unit may
experience shock and vibrations at greater levels than larger and
heavier disk drives.

Universal Translate Mode
------------------------
Conner has established a Universal Translate Mode which enables the
user to configure the drive in an AT environment to any cylinder,
head, and sector configuration desired. The translate configuration
is limited only by the maximum capacity of the drive. Upon initial
power up to the drive it will default to a predetermined configura-
tion shown below:

          Cylinders        Heads       Sectors
 CP-2124     762             8           39

Error Correction
----------------
The CP2124 drive use a Reed-Solomon code to perform error detection
and correction. The error correction polynominal is capable of
correcting one error burst with a maximum of 22 bits or 2 error
bursts of up to 11 bits each, per 512 byte block. Single bursts of
11 bits or less are corrected with no performance degradation.

Execute Drive Diagnostic
------------------------
Command Number: 90 hex

Description
This command performs the internal diagnostic tests implemented by
the drive. The diagnostic tests are only executed upon receipt of
this command.

The drive sets BSY immediately upon of the command. If the drive is a
master, the drive performs the diagnostic tests and saves the
results. It then checks to see if a slave drive is present and waits
up to 5 seconds for the slave to complete its diagnostics. If the
slave successfully completes its diagostics, it asserts -HOST PDIAG.
If unsuccessful, the master drive resets BSY in the Status register
and generates an interrupt.

The value in the Error register should be viewed as a unique 8-bit
code and not as the single-bit flags defined previously. The inter-
face registers are set to initial values except for the Error
register.

The table below details the codes in the Error register and a
corresponding explanation.

Error Code Description
01 hex No error detected
02 hex Format device error
03 hex Sector buffer error
8x hex Slave drive failed

Additional codes may be implemented at the manufacturer's option.

NOTE
If the slave drive fails diagnostics, the master drive shall "OR" 80
hex with its own status and load that code into the Error register.
If the slave drive passes diaagnostics or there is no slave drive
connected, the master drive shall sect bit 7 of the Error register
Task File to 0.

 Reliability and Maintenance
 ---------------------------
 MTBF                     150,000 hours POH (population is min. of 100
                          units)
 MTTR                     10 minutes typical
 Preventive Maintenance   None
 Component Design Life    5 years

Safety Standard
---------------
The CP2124 disk drive is designed to comply with relevant product
safety standards such as:

 - UL 478, 5th edition, Standard for Safety of Information Processing
   and Business Equipment, and UL 1950, Standard for Safety of
   Information Technology Equipment

 - CSA 22.2#154, Data Processing Equipment and CSA 22.2#950, Safety
   of Information Technology equipment and CSA 22.2#220, Information
   Processing and Business Equipment

 - IEC 380, Safety of Electrically Energized Office Machines, and
   IEC 950, Safety of Information Technology Equipment Including
   Electrical Business Equipment

 - VDE 0805 TIEL 100, Equivalent to IEC 950, and VDE 0806, Equivalent
   to IEC 380

 - TUV Essen
   TUV Rheinland













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