D S P - 3 1 0 5 D    AVASTOR
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/HH               Cylinders    2570|     |     |
Capacity form/unform  1050/ 1342 MB        Heads          14|     |     |
Seek time   / track   9.5/ 1.0 ms          Sector/track   57|     |     |
Controller           SCSI2 DI/FAST         Precompensation
Cache/Buffer           512 KB              Landing Zone
Data transfer rate    3.000 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        10 50    |    -40 66
Power: sleep              W     Humidity     %        10 90    |      8 95
       standby            W     Altitude    km            2.500|         4.878
       idle          11.2 W     Shock        g        10       |
       seek          16.3 W     Rotation   RPM      5400
       read/write         W     Acoustic   dBA        39
       spin-up            W     ECC        Bit   264
                                MTBF         h     250000
                                Warranty Month        24
Lift/Lock/Park     YES          Certificates     CSA,FCC,TUV,UL1950,VDE



**********************************************************************
                        L   A   Y   O   U   T
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DEC      DSP3105-D/3085  INSTALLATION GUIDE EK-DS001-IG-004

  +---------------------------------------------------------+
  |                                        Terminator +-+ ++|XX J1
  |                                        Power      +-+ |||XX
  |                                              Terminator||XX
  |  SINGLE-ENDED                                         |||XX I
  |                                                       1+|XX N
  |                                                       ++|XX T
  |                                                       |||XX E
  |                                              Terminator||XX R
  |                                                       |||XX F
  |                                                       1+|XX A
  |                                                       ++|XX C
 ++-+ Option                                              |||XX E
 |  | Connector                                  Terminator||1X
 |  |                                                     |||
 |  |                                                     1+|XX J3
 1+-2                                                       |XX Power
  +---------------------------------------------------------+  1







  +---------------------------------------------------------+
  |                                        Terminator +-+   |XX J1
  |                                        Power      +-+   |XX
  | DIFFERENTIAL                                            |XX
  |                                                         |XX I
  |                                                         |XX N
  |                                                         |XX T
  |                                                         |XX E
  |                                                         |XX R
  |                                                         |XX F
  |                                                         |XX A
  |                                                         |XX C
 ++-+ Option                                                |XX E
 |  | Connector                                             |1X
 |  |                                                       |
 |  |                                                       |XX J3
 1+-2                                                       |XX Power
  +---------------------------------------------------------+  1



**********************************************************************
                      J   U   M   P   E   R   S
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DEC      DSP3105-D/3085  INSTALLATION GUIDE EK-DS001-IG-004

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

 SCSI Address and Options Selections
 -----------------------------------
 The DSP3085 and DSP3105 disk drives have option connectors for sett-
 ing the SCSI address and various operating options. The connector is
 normally used in conjunction with jumpers which are supplied. The
 jumpers are placed in the connector to select the desired SCSI
 address and operating options.

        +Fault LED       Front View
      --++---+2---------+------------------------
 Busy LED+   |:::.::::::|  Option Connector
             +1--------19-------------------- Spindel Synchronization
              +++   +------ SPINUP Jumper
               SCSI ID


 SCSI Bus Address Selection
 --------------------------
 Three pairs of pins on the option connector set the disk drive's
 address on the SCSI bus. The drive accepts addresses 0 through 7. You
 must assign a unique address to each device on a SCSI bus.
 Typically, the first drive on the bus is assigned address 0, the
 second drive address 1, and so on. SCSI address 7 is usually reserved
 for the host adapter.


 SCSI ID - 3085/3105/3105D
 -------------------------

   +----------+-----------------------+   +2--------20
   | SCSI ID  | Jumper Location       |   |ooo oooooo| Option
   |          |         PINS          |   |oooooooooo| Connector
   |          |  5-6  |  3-4  |  1-2  |   +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|
   +----------+-------+-------+-------+


 Terminator Power Jumper
 -----------------------
 The disk drive provides termination power to its own terminator
 resistor packs (if installed) and/or to the SCSI bus. Alternatively,
 the drive's terminator resistor packs can be powered from the SCSI
 bus.

 In all cases, the drive's terminator resistor packs are to be
 installed ONLY if the drive is at the end of the SCSI bus.


 Generally, the host is the only device on the SCSI bus required to
 provide TERMPWR for the bus. To ensure that there is a sufficient
 level of power along the entire SCSI bus, Digital Equipment
 Corporation recommends that all devices on the SCSI bus supply
 TERMPWR (if they are capable). SCSI devices are protected by a diode
 or similar semiconductor to prevent back flow of the terminator
 power when more than one device supplies this power.


 SINGLE-ENDED
 ============
            +-------------------------+
      ------|-----+                   |
     Jumper+-+ ++ |XX                +---+ Drive provides termination
           +-+ || |XX SCSI           |xxx| power to the drive's
               ++ |XX Connector      |o o| terminator resistor packs.
     Terminators+ |XX                +---+ (If installed)
               || |XX
               ++ |XX                +---+ SCSI bus provides
               ++ |XX                |o o| termination power to the
               || |XX                |xxx| drive's terminator
               ++ |XX                +---+ resistor packs (If
                  |                        installed).

                                     +---+ Drive provides termination
                                     |xxx| power to the drive's
                                     |xxx| terminator restistor packs
                                     +---+ (if installed) and to the
                                           SCSI bus.

                                     +---+ No drive power provided to
                                     |o o| SCSI TERMPWR. No power to
                                     |o o| drive terminator resistor
                                     +---+ packs. Resistor packs must
                                           be removed.

 DIFFERENTIAL
 ============
       ------------------+
             Jumper ++   |XX  CLOSED Drive provides termination power
                    ++   |XX         when installed.
                         |XX
                         |XX
                         |XX


 SCSI Bus Termination
 --------------------
 Both ends of the SCSI bus cable must be terminated. One end is
 terminated at the host. The other end must be terminated by the last
 SCSI device on the SCSI bus.

 Note
 Do not install Models DSP3105D (differential) or DSP3210WD (wide,
 differential) at the end of the bus. DSP3105D and DSP3210WD
 drives can not provide bus termination.


 Configure Optional Features
 ---------------------------
 CAUTION
 The 5-volt signals of two or more drives should not be connected
 together or to any other current source by using the Option
 connector. Doing so may cause drive malfunction or component damage.

 Care must be taken when connecting the ground signals of two or
 more drives together to avoid ground loop problems. Ground loops
 may cause drive malfunction.

 The following optional features can be configured according to your
 system requirements. These features include:

 - Notification of AC power failure

 - Spindle synchronization

 - Write protection

 - Spin delay


 Option Connector Spindle Synchronization
 ----------------------------------------
 Use Pin 19 of the option connector to connect the drive for optional
 synchronized spindle operation. The drive operates either as a
 Master, generating a reference signal on Pin 19, or as a Slave, re-
 ceiving a reference signal on Pin 19 from another drive or other
 source. Master or Slave operation modes are set through the SCSI
 interface.

 The drive always maintains local speed regulation when no reference
 signal is applied.


 Spindle Synchronization
 -----------------------
 DSP3000 Series drives support synchronized spindle operation. Master
 or slave synchronized operation is set through a SCSI Mode Select
 Page.

 When the drive operates as a Master, it generates a spindle
 synchronization reference signal (SPINDLE_SYNC_REF L). When operating
 as a slave, the drive synchronizes its spindle according to the
 SPINDLE_SYNC_REF L input reference. The drive always maintains local
 speed regulation when no reference signal is applied.

 NOTE
 The reference signal must originate from drives with the same
 electronics modules. Fo example, connect Model DSP3160 only with
 another DSP3160 drive. Do not connect the SPINDLE SYNC signal
 so that of any other model disk drive. Otherwise, the drive may mal-
 function.

 When connecting multiple drives together for spindle synchronization,
 be sure to use proper cabling techniques to avoid ground loop
 problems.


 Spindle Sync Connection
 -----------------------
 The following figure shows the SPINDLE SYNC and associated ground
 connection pin on the Option connector.

        Option Connector
            +---------20
            |*** @oooo*| * = LOGIC_GND L (Pins 2,4,6,20)
            |ooooooooo@| @ = SPINDLE_SYNC_REF L (Pins 10,19)
            +1---------+


 For Models DSP3085/3105/3105D, pin 10 is provided as an alternate
 SPINDLE SYNC connection to facilitate installations where a 10-pin
 header is used to connect several remote features. Pin 19 is provided
 to facilitate the use of a 2-pin connector for SPINDLE SYNC
 connections. The ground return is pin 20, although pins 2, 4, or 6
 can be used for the ground return.


 Option Connector SPINUP Jumper
 ------------------------------
 The disk drive spins up when you install a jumper across pins 13 and
 14 of the option connector and apply power. Without the jumper, the
 drive waits for a START STOP UNIT command before spinning up.

 The disk drive spins down when power is removed, when a fault
 condition is detected, or in response to the START STOP UNIT command.

 13,14 CLOSED Spin up when power is applied
       OPEN   Wait for START UNIT command

 DSP3000 Series drives support either the Write Protect or Spin
 Delay mode.

 If your drive supports the Spin Delay mode, you can program the
 drive automatically spin-up at powere on by installing the jumper
 across the referenced Option connector pins.

 To have spin-up controlled by a Start/Stop Unit command, remove the
 jumper.

            +---------20
            |ooo ooXooo|Option Connector
            |ooooooXooo|
            +1---------+


 Write Protection
 ----------------
 DSP3000 Series support either the Write Protect or Spin Delay
 mode. If your drive supports the Write Protect mode, install the
 jumper across the referenced pins of the Option connector.


 To disable Write Protection from 8-bit drives, remove the jumper
 from across 13 and 14 of the Option connector.

 Note that when the Write Protect Mode bit is set to a 1, automatic
 spin up occurs at power on.

            +---------20
            |ooo ooXooo|Option Connector
            |ooooooXooo|
            +1---------+


 Remote Options
 --------------
 You can also use the option connector to connect the drive for
 various remote capabilities when the necessary user-provided
 facilities are available.

 - SCSI address selection from external switches; for example, from an
   operator control panel.

 - Busy and Fault conditions monitoring, using external LED indicators
   instead of those on the drive.

 - Remote power supply notification to the drive of ac power failure.


 Remote SCSI ID Selection
 ------------------------
 The Option connector enables you to set the drive's SCSI ID from an
 external (remote) switch or control panel.


 Configure the drive for remote ID selection by removing the
 SCSI ID jumpers (if present) from the SCSI ID pins. Then connect the
 leads from the external selection switch to the referenced pins.
 Observe the following guidelines while doing so.

 - ID bit 0, at Pin 1, is the Least Significant Bit.

 - SCSI ID bits 0, 1, 2, and 3 are active LOW signals. That is, the
   bit is a 1 if the corresponding remote switch is closed to ground.

 - For Models DSP3085/3105/3105D/3160/3210, use pins 2, 4, and 6 as
   the associated ground returns for ID bits 0, 1, and 2 respectively.
   They can be used individually, or the ground returns of all three
   ID bits can be combined at pin 2, 4, or 6.

            Option Connector
            +---------20
            |*** oooooo| * = LOGIC_GND L (Pins 2,4,6)
            |@@@ooooooo| @ = SCSI ID <0>,<1>,<2>, L
            +1---------+     (Pins 1,3,5)


 LED Indicators
 --------------
 The disk drive has two surface-mounted LED indicators: Busy (BSY)
 which is green and Fault (FLT) which is amber.

 The BSY LED indicates that the drive is working on a SCSI command. It
 is not equivalent to the SCSI BSY signal. The FLT LED idicates a
 drive fault condition.

 It is normal for both LEDs to light briefly upon application of
 power.


 Remote Busy and Fault Status Display

 ------------------------------------
 The drive's Busy and Fault status can be monitored by connecting
 a remote Busy and a remote Fault display LED to the drive's Option
 connector.


 Remote Busy
 -----------
 The remotely monitor Busy status of the drive, connect the cathode
 side of the remote Busy LED to the BSY_OUT L pin. The anode side of
 the LED connects to the +5VDC OUT pin.


 Remote Fault
 ------------
 The remotely monitor Fault status of the drive, connect the cathode
 side of the remote Fault LED to the FLT_OUT pin. The anode side of
 the LED connects to the +5VDC OUT pin.


            Option Connector
            +---------20
            |ooo oooooo|
            |ooo***oooo|
            +1--+++----+
                ||+-- +5 VDC OUT
                |+--- BSY_OUT L
                +---- FLT_OUT L


 AC Failure Notification
 -----------------------
 The host system (or power supply) can warn the drive of an impend-
 ing AC failure by asserting the signal AC_LOW L. This is an active
 low signal (low means power failure).

 NOTE
 The system should provide this warning at least 10 milliseconds prior
 to failure for this feature to be operational.

 To utilize this feature, connect the system's AC power warning
 signal to the referenced AC_LOW L pin on the Option connector.
 When the host system asserts the AC_LOW L warning to the drive, the
 drive prevents write-spliced for outstanding writes.


 AC_LOW L Connection
 -------------------
                    +---- LOGIC_GND L
            +-------+-20
            |ooo ooo*oo|Option Connector
            |ooooooo*oo|
            +1------+--+
                    +---- AC_LOW L


 Power Connections and Requirements
 ----------------------------------
 -------------------+
 --+  +------------+|  pin 1    +12 VDC
  1|  | 4  3  2  1 ||  pin 2    +12 Volts Return
  -+  +------------+|  pin 3    + 5 Volts Return
  ------------------+  pin 4    + 5 VDC



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                      I   N   S   T   A   L   L
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DEC      DSP3105-D/3085  INSTALLATION GUIDE EK-DS001-IG-004

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

 Drive mounting
 --------------

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

 You can mount the disk drive in any position. The drive (with bezel)
 attaches to the system bay and accept #6-32 screws. Screws should
 not exceed 0.25 inch (6.25 millimeters) in length, otherwise
 damage to the PCB may result.

 CAUTION: The mounting screws should not protude more than four
 threads beyond the inside surface of the drive frame. Screws longer
 than specified can disable the shock mounting process and damage the
 drive.


 Mounting and Bezel Options
 --------------------------
 Bezels and mounting brackets are available from Digital Equipment
 Corporation for mounting the drive in either 3.5-inch or 5.25-inch
 form factor bays.


 Combination Connector - 8-bit Models
 ------------------------------------
  +-----------------+-----------------------------------------------+
  | Part Number     | Vendor                                        |
  +-----------------+-----------------------------------------------+
  | 12-36486-01     | Digital Equipment Corp.                       |
  +-----------------+-----------------------------------------------+
  | 89331-001       | Berg Electronics (formerly Dupont Electronics)|
  +-----------------+-----------------------------------------------+
  | CWN-710-54-0119 | C.W. Industries                               |
  +-----------------+-----------------------------------------------+
  | DA-2339-25      | Methode Electronics                           |
  +-----------------+-----------------------------------------------+
    Includes 0.1-in pitch, 50-pin SCSI connector and 4-pin power
    connector.


 Combination Connector - 16-bit Models
 -------------------------------------
  +-----------------+-----------------------------------------------+
  | Part Number     | Vendor                                        |
  +-----------------+-----------------------------------------------+
  | 12-40413-01     | Digital Equipment Corp.                       |
  +-----------------+-----------------------------------------------+
  | 92-1814-12-1    | AMP, Inc.                                     |
  +-----------------+-----------------------------------------------+
    Includes 68-pin SCSI connector, 4-pin power connector, and a
    2-mm pitch, 12-pin (2x6) Option connector.


 Option Connector - 8-bit Models
 -------------------------------
  +-----------------+-----------------------------------------------+
  | Part Number     | Vendor                                        |
  +-----------------+-----------------------------------------------+
  | 12-36484-02     | Digital Equipment Corp.                       |
  +-----------------+-----------------------------------------------+
  | 90516-003       | Berg Electronics (formerly Dupont Electronics)|
  +-----------------+-----------------------------------------------+
  | 3-176837-3      | AMP, Inc.                                     |
  +-----------------+-----------------------------------------------+
  | 87049-2091      | Molex, Inc.                                   |
  +-----------------+-----------------------------------------------+
    A 2-mm pitch, 19-pin (2x10) keyed (missing pin) connector


 Secondary Option Connector - 16-bit Models
 ------------------------------------------
  +-----------------+-----------------------------------------------+
  | Part Number     | Vendor                                        |
  +-----------------+-----------------------------------------------+
  | 12-36484-05     | Digital Equipment Corp.                       |
  +-----------------+-----------------------------------------------+
    A 2-mm pitch, 5-pin (2x3) keyed (missing pin) connector


 Shunt Jumper - All Models
 -------------------------
  +-----------------+-----------------------------------------------+
  | Part Number     | Vendor                                        |
  +-----------------+-----------------------------------------------+
  | 12-36482-01     | Digital Equipment Corp.                       |
  +-----------------+-----------------------------------------------+
  | 86730-001       | Berg Electronics (formerly Dupont Electronics)|
  +-----------------+-----------------------------------------------+
  | LPC-SPG         | Honda                                         |
  +-----------------+-----------------------------------------------+
    A 2-mm pitch shunt for configuring termination characteristics


 Terminating Resistor - DSP3085/3105
 -----------------------------------
  +-----------------+-----------------------------------------------+
  | Part Number     | Vendor                                        |
  +-----------------+-----------------------------------------------+
  | 13-26547-01     | Digital Equipment Corp.                       |
  +-----------------+-----------------------------------------------+
   Resistors are 8-pin, plug resistors. Three required per drive.


 Terminator Resistor Packs
 -------------------------
 Single-Ended units use 8-pin packs.

 Pin 1 designations on the resistor packs are usually a "dot" or a
 "vertical bar".



 DC Power and pin connector assignments
 --------------------------------------
      +------------+   pin 1    +12 VDC
      | 4  3  2  1 |   pin 2    +12 Volts Return GROUND
      +------------+   pin 3    + 5 Volts Return GROUND
                       pin 4    + 5 VDC



**********************************************************************
                      F   E   A   T   U   R   E  S
**********************************************************************
DEC      DSP3000 SERIES  INSTALLATION GUIDE EK-RH2CA-IG.A01

 Product Summary
 ---------------
 DSP3000 Series 3.5-inch Disk Drives are high-performance, high
 capacity drives, designed and manufactures by Digital Equipment
 Corporation.


 Features
 --------
 Features of the DSP3000 Series drives include the following:

 - Formatted capacity ranging from 852 MB to 2,103 MB, depending
   upon model

 - 1 millisecond track-to-track seek time

 - 512 KB and 1024 KB segmented cache buffer

 - End-to-end Error Detection Code/Parity on cache RAM

 - Four headers per sector

 - Embedded quadrature servo

 - Self-diagnostics

 - Down-loadable SCSI firmware

 - Tagged command queuing

 - Seek ordering

 - Automatic block realloction

 - Glitch-free power on/off operation

 - Synchronized spindle operation

 - Low power consumption


 Seek Time
 ---------
       +----------------------------------+--------+--------+--------+
       |                                  |DSP3085 |DSP3210 |DSP3160 |
       |                                  |DSP3105 |        |        |
       +----------------------------------+--------+--------+--------+
       |Track-to-Track         msec. typ. |   1    |   1    |   1    |
       +----------------------------------+--------+--------+--------+
       |Average                msec. typ. |   9.5  |   9.5  |   9.7  |
       |                       msec. max. |  19    |  20    |  20    |
       +----------------------------------+--------+--------+--------+
       |Latency                msec. avg. |   5.6  |   5.6  |   5.6  |
       +----------------------------------+--------+--------+--------+


 LED Indicators
 --------------
 The green Busy LED illuminates to signify the drive is working on a
 SCSI command. The amber Fault LED indicates a fault status.

 Both the Busy and Fault indicators light briefly during power up.
 This serves as a hardware and lamp test.

 During a calibration operation, the Busy LED is illuminated and the
 Fault LED flashes. Calibrations occur following some firmware up-
 grades. Generally, calibration periods last only about five minutes,
 after which the drive comes online and both indicators go out.

 If the Fault indicator lights at any other time, the drive has failed
 and likely requires service (unless the Fault LED was turned on by
 means of a MODE SELECT command).

 Remote Busy and Fault indicators can be connected to the Option
 connector to provide status display at a remote location or panel.


 Power-On Tests
 --------------
 After power is applied, and before spinup is completed, the drive
 performs selftest diagnostics prior to making itself visible on the
 SCSI bus. These intitial selftest check most of the electronics that
 control HDA, but not the SCSI transceiver or SCSI connector.

 After spinup, additional tests complete selftest coverage of the
 electronics module and the HDA. The unit appears not ready to the
 host between completion of the initial selftests and completion of
 the drive's post spinup tests.



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