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Hard Drive: HITACHI: DK517C-37 2873MB 5.25"/FH SCSI2 FAST




D K 5 1 7 C - 3 7    HITACHI
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders    3299|     |     |
Capacity form/unform  2873/ 3616 MB        Heads          21|     |     |
Seek time   / track  12.8/ 2.0 ms          Sector/track   81|     |     |
Controller           SCSI2 SI/FAST         Precompensation
Cache/Buffer           512 KB LOOK-AHEAD   Landing Zone
Data transfer rate    4.800 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 60
Power: sleep              W     Humidity     %         8 80    |      8 90
       standby            W     Altitude    km            3.000|        12.000
       idle               W     Shock        g         2       |     20
       seek               W     Rotation   RPM      5400
       read/write         W     Acoustic   dBA        50
       spin-up            W     ECC        Bit
                                MTBF         h     200000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

Layout

HITACHI DK517C-37 CONCISE MANUAL REV 5/5.93 K2500486

  +------------------------------------------------------------+
  |                                                JP6-1  J3+-+|
  |                           1+--+2                 | |   1+-+|
  |+-+                         |  | JP1              +-2  J2| ||
  || |                         |  |                         +-+|
  || |                        9+--+10                       +--+
  || |                        1|  |2               +---TM136|XX I
  || |J4                       |  | JP2    Terminator  |    |XX N
  || |                         |  |                |   |    |XX T
  || |                        15--16               |   |    |XX E J1
  |+-+                                             +---+    |XX R
  |+-+J6                                              3--1  |XX F
  |+-+                                             JP7|  |  |XX A
  |                             +-+JP9                4--2  |XX C
  |                             1-2                         |XX E
  |                                                         |XX
  |                                           +------J5     |XX J3
  |                                           +------+      |XX Power
  +---------------------------------------------------------+

Jumpers

HITACHI DK517C-37 CONSISE MANUAL REV 5/5.93 K2500486

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

x = Jumpers at the shipment

User changeable jumpers are green.
Not user changeable jumpers are black.

Before this jumper plug installation/setting, please use ESD
protected cushioning material for safer operation. The following
jumpers are accessible for the user (use green jumper plugs, as for
J2 use blue jumper plugs):

SCSI ID setting jumper J2
SCSI bus parity jumper JP2
Terminator power on/off jumper JP7
Write protected jumper JP9
Motor Auto-start option jumper JP2
Synchronized spindle jumper JP2
Synchronized spindle Terminator JP6
Synchronized spindle signal connector J3

Note: The DK517C jumpers other than listed above are installed by the
manufacturer (black jumper plugs) and must not be modified or
replaced by the user. These settings are unique to each PCB.

 J2   SCSI ID
 ------------
                     SCSI ID (0,1,2)
                   +-+-+
              J2+9-7-5-3-1++---+
      -------+  |: : : : :||: :|J3
       o o o |  10-8-6-4-2++---+
       o o o +------------------
      --J1---+

   +----------+-----------------------+
   | SCSI ID  | 3-4     5-6     7-8   |
   |          | ID2   | ID1   | ID0   |
   +----------+-------+-------+-------+
   |    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  |
   +----------+-------+-------+-------+
   | x  7     | CLOSED| CLOSED| CLOSED|
   +----------+-------+-------+-------+

 J3   Spindle Synchronization
 ----------------------------
 J3  3+-+-+1
      +-+-+       The cable array shall be configured as below
 ----4+-+-+2--

  +--------------o--------------+
  |     +--------+-+   +--------+-+
  | | | |        | | | |        | | | |
 ++-+-+-+-----+ ++-+-+-+-----+ ++-+-+-+-----+
 |  +---+--+  | |  +---+--+  | |  +---o--+  |
 |1 2 3 4  |  | |1 2 3 4  |  | |1 2 3 4  |  |
 |G S N S +JP6| |        +JP6| |        +JP6| x = OPEN
 |E Y C Y |X| | |        |x| | |        |X| |
 |N N   N +-+ | |        +-+ | |        +-+ | X = CLOSED
 |  C   C     | |            | |            |
 |+-+++-+     | |+-+++-+     | |+-+++-+     |
 |  J3        | |  J3        | |  J3        |
 |     DK517C | |     DK517C | |     DK517C |
 +------------+ +------------+ +------------+

JP6 Terminator (Spindle Synchronization)
-----------------------------------------
Terminator Jumper JP6 shall be removed from all drives except the
drives located at eiher cable end.

 JP2 1 4  Synchronized spindle jumper
 ------------------------------------
       +15------------1+
       |o o o o o o o o|
       |o o o o o o o o|
       +16------------2+

  x  1-2  CLOSED
  x  3-4  CLOSED Off Line (Not supported)
          OPEN
          OPEN   Not specified

     1-2  OPEN
     3-4  CLOSED Slave

     1-2  CLOSED
     3-4  OPEN   Master

The Synchronized spindle option can be supported by the combination
of these jumpers. The mode to be supported will be decided when power
is turned on. The mode can be confirmed by MODE SENSE command and
changed by MODE SELECT command*

 JP2 5-6  Motor Auto-start option
 --------------------------------
  x  5-6  CLOSED The spindle motor is started automatically when power
                 is turned on.
          OPEN   The Spindle motor is not started automatically when
                 power is turned on. It can be started by using SCSI
                 command to start the drive.

 JP2 7-8  SCSI bus parity
 ------------------------
  x  7-8  OPEN   Enables SCSI bus parity
          CLOSED Disables SCSI bus parity

 JP7  Terminator Power
 ---------------------
   +3-1+   Pins 3-4
   |o o|   CLOSED +5V source for terminator is supplied from the SCSI
   |o o|          bus (host) (Pins 1-2 OPEN)
   +4-2+ x OPEN   +5V source for terminator is supplied only from the
                  drive controller. (Pins 1-2 CLOSED)

Note: Terminator power source is supplied to the terminator resistor
module from the host that pulls up the SCSI interface signals in the
controller so that the SCSI bus lines will not be pulled down when
DK517C power is turned down.

 JP9  Write Protected
 --------------------
     CLOSED  Write protected. The disk can be only read and cannot be
             written.
   x OPEN    Read or write. The disk is enabled for both read and
             write.

Install

HITACHI DK517C-37 CONCISE MANUAL REV 5/5.93 K2500486

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

Legal Orientations
------------------

     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

Whenever you change the orientation of the drive it is recommended to
reformat the disks.

Mounting
--------
In order to assure shock protection ability, design the cabinet of a
system as described in this section.

 - Mount the drive with four screws by using the proper 4 screw holes
   (total of 8 holes - 4 side, 4 bottom) of the drive.
 - The insertion depth of the mounting screws below the drive surfaces
   must be less than
                     3.5mm (0.14inch) for side holes
                     5 mm (0.2 inch) for bottom holes

Sequential Activation of Motors
-------------------------------
When multiple disk drives are connected and turned on simultaneously,
a large amount of current will flow. It is recommended to turn the
motors on one by one at an interval of approx. 35 seconds. Indication
of "READY" on the last drive reports that all drives have been
activated.

 J3   DC Power and pin connector assignments
 -------------------------------------------
     +--------------+
     |+-----J3-----+|  pin 1    +12 VDC
     || 4  3  2  1 ||  pin 2    +12 Volts Return (GND)
     |+------------+|  pin 3    + 5 Volts Return (GND)
     +--------------+  pin 4    + 5 VDC

(shown on the drive side)

Connectors
----------
Connector on PCB BERG 65625-110 Male 10 x Square Pin
Jumper plugs inserting at J2 JAE PS-2SH4B-2BH For Square Pin
Cable Connector BERG 65043-XX Female (XX = 32 (10 Pin), 33 (8 Pin),
34 (6 Pin)

Terminator
----------
The terminator of the controller other than last drive of SCSI Daisy
Chain must be removed.

Features

HITACHI DK517C-37D CONSISE MANUAL REV 5/5.93 K2500486

Optional Interface SCSI Differential.













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