
C F A - 1 7 0 S    CONNER
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/SLIMLINE         Cylinders    2111|     |     |
Capacity form/unform   170/      MB        Heads           2|     |     |
Seek time   / track  13.0/ 3.0 ms          Sector/track     |     |     |
Controller           SCSI2 SINGLE-ENDED    Precompensation
Cache/Buffer            64 KB READ-AHEAD   Landing Zone
Data transfer rate          MB/S int       Bytes/Sector      512
                     10.000 MB/S ext SYNC
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         5 55    |    -40 60
Power: sleep              W     Humidity     %         8 80    |      8 80
       standby        1.4 W     Altitude    km    -0.061  4.500|        12.192
       idle           3.5 W     Shock        g         5       |     75
       seek           6.2 W     Rotation   RPM      4011
       read/write     5.3 W     Acoustic   dBA        40
       spin-up            W     ECC        Bit   ON THE FLY,REED SOLOMON
                                MTBF         h     250000
                                Warranty Month
Lift/Lock/Park     YES          Certificates     CSA,FCC,IEC380,IEC950,UL19...


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CONNER   CFA-170S/340S  PRODUCT MANUAL REV. A, 501-058 10/1993

  +---------------------------------------------------------+
  |                                                      +T1|XX
  |     +-+HDA                                           || |XX
  |     | |Connector                                     || |XX
  |     | |                                              || |XX I
  |     | |                                              || |XX N
  |     +-+                                          E1-+++ |XX T
  |                                                   +-+++ |XX E
  |                                                      || |XX R
  |                                                      || |XX F
  |                                                      || |XX A
  |+-+SS GND                                             || |XX C
  ||x|LED                                               T2+ |XX E
  ||x|J3                                                    |XX
  |+-+                                                      |  1
  |+-+                                                      |XX
  ||x|J4 SCSI ID                                            |XX Power
  |+-+                                                      |xx
  +---------------------------------------------------------+
    ^
    |
    |
    |
    |
    |
    +---------------------------------------------+
                                        -LED      |       A3
                                    SS  +LED            A2 |RESERVED
  ++                                GND  |            A1 | |   | ++
  |+--------------------------------+ +++++ ++++++++++ | | | +-++||
  |                                 |  |||| |||||||||| ++++++++++||
  |                                 +--++++-++++++++++-+++++++++++|
  |                                                               |
  |                                                               |
  +---------------------------------------------------------------+



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CONNER   CFA-170S/340S  PRODUCT MANUAL REV. A, 501-058 10/1993

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

 Drive Jumper Settings
 ---------------------
 +-----------+----------+--------------------------------------------+
 |Pins       |  Signal  | Description                                |
 +-----------+----------+--------------------------------------------+
 |J4, 1 & 2  |  ADDR 1  | SCSI ID select 1 (A1)                      |
 |J4, 3 & 4  |  ADDR 2  | SCSI ID select 2 (A2)                      |
 |J4, 5 & 6  |  ADDR 3  | SCSI ID select 3 (A3)                      |
 |J4, 7 & 8  |  N/A     | RESERVED; NOT USE                          |
 |J4, 9 & 10 |  N/A     | RESERVED; NOT USE                          |
 +-----------+----------+--------------------------------------------+
 |J3, 1 & 2  |  N/A     | RESERVED; NOT USE                          |
 |J3, 3 & 4  |  LED     | A LED activity indicator may be attached   |
 +-----------+----------+--------------------------------------------+
 |E1         |  TERMPWR | OPEN   Terminator power obtained from drive|
 |           |          | CLOSED Terminator power obtained from      |
 |           |          |        interface                           |
 +-----------+----------+--------------------------------------------+


 A1-A3 SCSI ID
 -------------
   +----------+-----------------------+
   | SCSI ID  |        Jumpers        |
   |          |  A3   |   A2  |   A1  |
   +----------+-------+-------+-------+
   |    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|
   +----------+-------+-------+-------+

 - SCSI ID 7 is typically used by the Host Adapter. The drive may be
   shipped with the SCSI ID set to 7 ensure that a sufficient quantity
   (3) jumper plugs are available for you to configure the SCSI ID as
   you desire. You should save any extra jumper plugs in case you need
   them later.

 - Host Adapter for PC (DOS) applications typically expect the hard
   disks to reside at SCSI ID 0 or 1. Check your Host Adapter
   documentation to determine which SCSI ID should be selected.


 Terminating the SCSI Bus
 ------------------------
 Remove the terminators from all SCSI devices attached to the SCSI bus
 other than those at each end of the bus. These drives provide on-
 board alternative 2 activ etermination. Active termination should be
 used at both ends of the SCSI bus if the host adapter supports FAST
 SCSI 2 data transfers. Other SCSI devices without provision for
 active termination should be placed in the middle of the SCSI bus.



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CONNER   CFA-170S/340S  PRODUCT MANUAL REV. A, 501-058 10/1993

 Notes on Installation
 =====================

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

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

 The drive will operate in all axis (6 directions).


 Mounting the Drive
 ------------------
 You can mount the drive either vertically or horizontally. The drive
 will meet all performance specifications when mounted at any orienta-
 tion.

 CAUTION
 The surface(s) on which you mount the drive should be flat and
 paralled to prevent uneven pressure on the drive. Mounting the drive
 on an uneven surface could cause the drive's base to deform, degrad-
 ing drive performance.

 CAUTION
 When using the side mounting holes, verify the screw length to ensure
 clearance from the drive's printed circuit board before tightening
 the screws.


 Electrical Description
 ----------------------
 Termination
 This drive provides on-board Alternative 2 active termination for the
 SCSI bus. The termination resistors, which are contained in two
 single inline packs (SIPs) should be removed from the drive unless it
 is a SCSI device at the physical end of the bus.


 Output Characteristics
 ----------------------
 Each signal driven by the drive has the following output
 characteristics when measured at the drive connector:

  Signal Assertion                  0.0 VDC to 0.4 VDC
  Minimum Driver Output Capability  48 ma (sinking) at 0.5 VDC
  Signal Negation                   2.5 VDC to 5.25 VDC


 Input Characteristics
 ---------------------
 Each signal received by the drive must have the following input
 characteristics when measured at the drive connector:

  Signal Assertion                 0.0 VDC to 0.8 VDC
  Maximum Total Input Load         -0.4 ma at 0.4 VDC
  Signal False                     2.0 VDC to 5.25 VDC


 Terminator Power
 ----------------
 Termination power (TERMPWR) is supplied through a diode to prevent
 the backflow of power to the drive. TERMPWR has the characteristic as
 described in the following table.

  Supply voltage                    +4.25VDC to +5.25VDC
  Minimum source drive capability   Up to 900 mA
  Maximum sink capability           10ma


 Cable Requirements
 ------------------
 A 50-conductor cable no more than 6 meters (19.68 inches) cumulative
 length with at least 28 AWG wire and a characteristic impedance of
 90 to 140 ohms (132 ohms nominal) is required. In systems that use
 the fast synchronous transfer option, the cable should meet the
 additional requirements shown in the following table.

  Signal Attenuation                0.095 dB maximum per meter at 5MHz
  Pair-toPair Propagation Delay
  Delta                             0.20 ns max. per meter
  DC Resistance                     0.230 ohms max. per meter


 Connector Requirements
 ----------------------
 The connector on the drive is a 50-position header that consists of
 two rows of 25 male pins on 0.100 inch centers. The mating connector
 is a SCSI-2 non-shielded Alternative 1 A-cable connector.


 Attaching a Data Cable to the Drive
 -----------------------------------
 CAUTION: Particulary when used with a FAST SCSI 2 Host:

 - Do not route the data cable next to the drive PCB or any other high
   frequency or large current switching signals. Improper drive
   operation can result from improper cable routing.

 - Cable stubs should not exceed 0.1 meter (4 inches).

 - There should be 0.3 meters (12 inches) of cable between drives.

 - Do not tightly bundle excess length offlat cable against each
   other, because this promotes cross-coupling of signals on the
   cable. Use spacers to maintain a 0.050 in. (1.27 mm) gap between
   cable runs.

 - Do not clamp the cable tightly against a metal chassis since this
   will degrade the signal. Use spacers or a non-flammable insulation
   material to maintain the gap between the chassis and the cable.


 Attaching Power to the Drive
 ----------------------------
 CAUTION
 Do not route the power cable next to the drive PCB or any other high
 frequency or large current switching signals. Improper drive
 operation can result from improper cable routing.

 +---------------
 | +------------+   pin 1    +12 VDC
 | | 1  2  3  4 |   pin 2    GND
 | \------------/   pin 3    GND
 +----------------- pin 4    + 5 VDC



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                      F   E   A   T   U   R   E  S
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CONNER   CFA-170S/340S  PRODUCT MANUAL REV. A, 501-058, 10/1993

 Overview of the Drives
 ----------------------
 The Conner Filepro CFA-170S and CFA-340S are high performance, low-
 profile hard disk drives that are designed to operate in a system
 with a Small Computer System Interface (SCSI). The command set is
 SCSI-2 compatible. The drives are actually two versions of the same
 basic mechanism.


 Features of the Drive
 ---------------------
 - Can be installed in a wide range of host systems

 - Supports SCSI-2 interface and commonly used SCSI-2 commands

 - High performance rotary voice coil actuator with embedded servo
   system

 - One-of-seven run-length limited code

 - High shock resistance

 - Sealed head/disk assembly

 - Internal air filtration

 - Low power consumption

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

 - Microprocessor-controlled diagnostic routines are automatically
   executed at start-up

 - 64K buffer

 - Reed-Solomon error detection and correction with on-the-fly single-
   burst correction

 - Automatic error correction and retries, ECC on-the-fly

 - 512-byte block size

 - 10 MB/s synchronous or 5.0 MB/s asynchronous data transfer

 - Read look-ahead buffering


 Drive Motor and Spindle
 -----------------------
 A brushless DC direct-drive motor assembly is mounted on the drive's
 base. The motor rotates the drive's spindle at 4,011 RPM. The motor/
 spindle assembly is dynamically balanced to provide minimal
 mechanical runout to the disks. A dynamic brake is used to provide a
 fast stop to the spindle motor and return the heads to the landing
 zone when power is removed.


 Firmware
 --------
 The drive's firmware includes a command set that the host uses to
 control the drive. The command set allows the host to request the
 following types for actions:

 - report drive status
 - seek a specific point on the disk
 - read and write data.


 Error Correction
 ----------------
 The drive uses a Reed-Solomon code to perform error detection and
 correction. For each 512-byte block, the software error correction
 poilynomial is capable of correcting:

 - One error burst with of up to 22 bits

 - Two error bursts of up to 11 bits each

 Single bursts of 11 bits or less are corrected on the fly (OTF) with
 no performance degradation.


 Magnetic Field
 --------------
 The disk drive will meet its specified performance while operating in
 the presence of an externally-produced magnetic field under the
 following conditions:

  Frequency Field       Intensity
  DC                    6 gauss
  To 700 kHz            7 milligauss
  700 kHz to 1.5 MHz    3 milligauss


 Acoustic Noise
 --------------
 The sound pressure level will not exceed 40 dBA in Idle Mode at a
 distance of 1 meter from the drive.


