
R O 3 0 8 9 T    RODIME
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/HH               Cylinders    1216|     |     |
Capacity form/unform    70/      MB        Heads           3|     |     |
Seek time   / track  18.0/ 5.0 ms          Sector/track     |     |     |
Controller           SCSI1 SINGLE-ENDED    Precompensation
Cache/Buffer            16 KB FIFO BUFFER  Landing Zone
Data transfer rate    1.500 MB/S int       Bytes/Sector      512
                      2.500 MB/S ext
Recording method     RLL                            operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C        10 50    |    -40 70
Power: sleep              W     Humidity     %        10 85    |      5 90
       standby        4.3 W     Altitude    km    -0.305  3.048|         4.575
       idle               W     Shock        g        10       |     50
       seek               W     Rotation   RPM      3600
       read/write         W     Acoustic   dBA        50
       spin-up            W     ECC        Bit   32
                                MTBF         h      30000
                                Warranty Month
Lift/Lock/Park     YES          Certificates     CSA,FCC,IEC435,UL478,VDE


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RODIME   RO3059/3089/3129/3199/3259-T  PRODUCT SPECIFICATION PRO 00220

  +---------------------------------------------------------+   P7
  |                                                         |XX Power
  |                                                         |+-+
  |                                                         || |P4
  |                                                      ++ |+-1
  |                                                      || |XX Inter-
  |                                                      || |XX face
  |                                                      1+ |XX
  |                                                      ++ |XX
  |                                                      || |XX  P3
  |                                                      || |XX
  |                                                      1+ |XX
  |                                                      ++ |XX
  |                                                      || |XX
  |                                                      || |XX
  |                                                      1+ |XX
  |                                                         |XX1
  +---------------------------------------------------------+



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                      J   U   M   P   E   R   S
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RODIME   RO3059/3089/3129/3199/3259-T  PRODUCT SPECIFICATION PRO 00220

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

 P4  SCSI ID Selection
 ---------------------
 +-----------+
 | 2 4 6 8 10|
 | 1 3 5 7 9 |         +--------+-------+-------+-------+
 +-----------+         |Drive ID| 1-2   | 3-4   | 5-6   |
                       +--------+-------+-------+-------+
                       |   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|
                       +--------+-------+-------+-------+


 P4  Wait Spin
 -------------
     7-8  CLOSED  Wait spin

 When a jumper is connected across pins 7 and 8, the drive will not
 power-up until receipt of the START/STOP command with the Start bit
 set accordingly. For remote operation of this feature it is only
 necessary to connect pin 7 to ground.
 The state of this pin is only monitored on removal of the internal
 reset to the drive after power has been applied to the drive.


 P4  Parity
 ----------
     9-10 CLOSED  Enable parity

 When a jumper is connected across pins 9 and 10, the drive will
 enable parity checking. The use of this jumper excludes the enabling/
 disabling of parity by the use of the MODE SELECT command. For remote
 operation of this feature it is only necessary to connect pin 9 to
 ground.



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                      I   N   S   T   A   L   L
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RODIME   RO3059/3089/3129/3199/3259-T  PRODUCT SPECIFICATION PRO 00220

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

 Drive Mounting and Installation
 -------------------------------
 When installing the  drive into an enclosure, the breather holes on
 the drive top cover must not be obstructed. At least 0.1 inch
 clearance must be provided between the top cover and the host frame.

 There must be at least 0.1 inch clearance between the drive housing
 and the host frame to ensure functional vibration isolation.

 The drive may be mounted in any orientation and is supplied complete
 with threaded mounting bracket. The drive is mounted using 6/32 UNC
 screws with maximum engagement of 0.25 inch.

 The drive installation must provide adequate air flow to ensure that
 the maximum casting temperature of the head/disk assembly does not
 exceed 60*C.


 Physical Description
 --------------------
 SCSI devices are daisy-chained together using a common cable. Both
 ends of the cable are terminated. All signals are common between
 SCSI devices.

 The RO 3000T uses single-ended drivers and receivers, which allow a
 maximum cable length of six metres.


 Cable Requirements
 ------------------
 A 50-conductor flat cable or 25-signal twisted-pair cable shall be
 used. The maximum cable length shall be 6.0 metres (19.8 ft).

 A stub length of no more than 0.1 metres (3.94 in) is allowed off the
 mainline interconnect within any connected equipment.

 A minimum conductor size of 28 AWG shall be employed to minimize
 noise effects and ensure proper distribution of optional terminator
 power.


 Connector Requirements
 ----------------------
 The drive connector is a 50-conductor connector consisting of two
 rows of 25 male pins with adjacent pins 2.54 mm (0.1 in) apart.

 The cable connector shall be a 50-conductor connector consisting of
 two rows of 25 female contacts with adjacent contacts 2.54 mm
 (0.1 in) apart. The 3M P/N 3425-300 cable connector is recommended.

 The power connector is a 4 pin AMP Mate-N-Lock P/N 350211-1 (or
 equivalent) mounted on the reserve side of the PCB. The recommended
 mating connector is AMP P/N 1-480424-0 (or equivalent) socket housing
 using AMP pin P/N 350078-4 (or equivalent).


 Electrical Description
 ----------------------
 All assigned signal are terminated with 220 ohms to +5V (nominal) and
 330 ohms to ground at each end of the cable. All signals use open-
 collector drivers. The terminators are removable.


 Output Characteristics
 ----------------------
 Each signal driven by the RO 3000T has the following output
 characteristics when measured at the drive's connector:

     Signal assertion               = 0.0 volts dc to 0.4 volts dc.
     Minimum driver output capacity = 48 milliamps (sinking) at 0.5
                                      volts dc.
     Signal negation                = 2.5 volts dc to 5.25 volts dc.


 Input Characteristics
 ---------------------
 Each signal received by the RO 3000T shall have the following input
 characteristics when measured at the drive's connector:

     Signal true                    = 0.0 volts dc to 0.8 volts dc.
     Maximum toatl input load       = -0.4 milliamp at 0.4 volts dc.
     Signal false                   = 2.0 volts dc to 5.25 volts dc.
     Minimum input hysteresis       = 0.2 volts dc.


 Terminator Power (Optional)
 ---------------------------
 The RO 3000T is configured to supply terminator power,(TERMPWR), with
 the following characteristics:

 VTERM = 4.0 volts dc to 5.25 volts dc.
 800 milliamps minimum source drive capability.
 1.0 milliamp maximum sink capability.


 SCSI Bus
 --------
 Communication on the SCSI bus is allowed between only two SCSI
 devices at any given time. There is a maximum of eight SCSI devices.


 Sample SCSI Configurations
 --------------------------

   +--------+        +-----+ Single Initiator, Single Target
   |Computer+--------+3000T|
   +--------+SCSI Bus+-----+


   +--------+SCSI    +-----+ Single Initiator, Multiple Target
   |Computer+-----+--+3000T|
   +--------+Bus  |  +-----+
                  |  +-----+
                  +--+3000T|
                     +-----+



   +--------+SCSI Bus+-----+ Multiple Initiator, Multiple Target
   |Computer+-+---+--+3000T|
   +--------+ |   |  +-----+
   +--------+ |   |  +-----+
   |Computer+-+   +--+3000T|
   +--------+     |  +-----+
                  |  +-----+
                  +--+3000T|
                  |  +-----+
                  |  +-----+
                  +--+3000T|
                  |  +-----+
   +--------+     |  +-----+
   |Computer+-----+--+3000T|
   +--------+        +-----+



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                      F   E   A   T   U   R   E  S
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RODIME   RO3059/3089/3129/3199/3259-T  PRODUCT SPECIFICATION PRO 00220

 General Description
 ===================

 The following features are supported:

  - Up to 48K Bytes dual ported FIFO data buffer, configured as a
    intelligent cache

  - Will support a logical sector size of 512 or 1024 bytes

  - Disconnected operations with arbitration for reselection

  - Command linking

  - Supports automatic read and write reallocation

  - 32 bit ECC error detection and correction

  - Average data transfer rate of 1.25 MBytes/second

  - 1 : 1 interleave factor

  - Operation with arbitrating and non-arbitrating hosts

  - Extended SCSI command set

  - Diagnostics and error reporting

  - Hardware parity link option

  - Wait spin-up link option

  - Low power standby mode when data access not occurring


 Defect Handling
 ---------------
 Disc defects are handled by the RO 3000T using a sector sparing
 technique. During manufacture the drive is formatted using a format
 control code of 1EH. After this format, the drive allows the
 initiator access to all physical sectors. The drive is tested in this
 mode and any defective sectors are entered into a list known as the
 Primary Defect List or P-List. The P-List is stored in sectors 0 and
 10 of the special Maintenance Track. This track is physically
 Cylinder -2, Head 0 and is NOT part of the logical address space
 normally available to the user. The P-List can only be altered or
 erased by reformatting the maintenance track (Command E1H) or re-
 formatting the entire drive (Command 04H) using format control codes
 1EH or 16H.


 LED Error Codes
 ---------------
 Under certain fault conditions, the following error codes will appear
 on the SELECT LED on the front panel.

 HEX CODE  Definition
    01     The drive has detected that the spindle motor speed is out
           of tolerance ( 10%).

    06     After stepping the maximum number of cylinders, the drive
           could not achieve correct track zero status.

    07     The spindle motor did not start at power up.

    08     Spindle motor failed initial  1% speed check at power up.

    0A     No track crossing signal during a seek.

    0B     No servo data.

    0C     +12V supply failure.

    0D     Hardware Interrupt Error.

 All the above error codes are designatd FATAL, and resetting of the
 drive can only be accomplished by powering off, then on again.

 If the drive has a FATAL error, it will switch off power to both the
 voice coil and  spindle motors and flash the fatal error code on the
 SELECT LED on the front panel. The drive will still respond to
 commands sent across the SCSI interface, but will not execute any of
 them except TEST DRIVE READY, INQUIRY or REQUEST SENSE.


