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Hard Drive: NEC: D5655 147MB 5.25"/HH ESDI




D 5 6 5 5    NEC
                                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/HH              Cylinders    1224|     |     |
Capacity form/unform   147/      MB        Heads           7|     |     |
Seek time   / track  18.0/     ms          Sector/track     |     |     |
Controller           ESDI                  Precompensation
Cache/Buffer               KB              Landing Zone
Data transfer rate    1.250 MB/S int       Bytes/Sector      512
                            MB/S ext
Recording method     RLL 2/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C                 |
Power: sleep              W     Humidity     %                 |
       standby            W     Altitude    km                 |
       idle               W     Shock        g                 |
       seek               W     Rotation   RPM
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h      30000
                                Warranty Month
Lift/Lock/Park     YES          Certificates

Layout

NEC D5652/5655/5662/5682 INSTALLATION GUIDE

  +------------------------------------------------------+
  |                                                      |XX
  |      PWA                                             |XX J2
  |                                                      |XX
  |                                                      |XX
  |                                                      |
  |                                                      |
  |                                    +++++++++  +++++  |XX
  |                                   ++++++++++ ++++++  |XX
  |                  DIP Switches ----+          |+++++  |XX J1
  |                  for Drive Address++++++++++ ++++++  |XX
  |                  and Optional      +++++++++ |+++++  |XX
  |                  Functions                   ++++++  |XX
  |                                          DIP Switches|XX
  |                                          Terminating |
  |                                          Resistors   |XX J3
  |                                                      |XX Power
  +------------------------------------------------------+

Jumpers

NEC D5652/5655/5662 INSTALLATION GUIDE

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

D5652/D5655/D5662
-----------------

Drive Selection = 7.

        DS    MODE
    +-3-2-1-P-S-B-A-M-+
  1 | o o x o x o o o |  Drive 1, Hard Sector Mode
  0 | x x o x o x x x |
    +-----------------+

        DS    MODE
    +-3-2-1-P-S-B-A-M-+
  1 | o x o o x o o o |  Drive 2, Hard Sector Mode
  0 | x o x x o x x x |
    +-----------------+

        S - COUNT
    +-C-6-5-4-3-2-1-0-+
  1 | x o x o o x o o | 36 Sectors/Track
  0 | o x o x x o x x |
    +-----------------+

Recommended configuration is: drive #1 or #2 36 sectors/track.

Features

NEC D5652/5655/5662/5682 INSTALLATION GUIDE

Installation
------------
- select Type 1
- select spare sector option
- start format under DEBUG G=C800:5 with spare sector

D5662/D5655
-----------
Use translation mode with 60 or 63 sectors per track after the low
level format.

D5655
-----
When you are using the NCL controller and NOVELL, select under DEBUG
the ROM-BIOS table type 77.

Debug address for the WD 1007V controller is G=CC00:5.

D5662
-----
When you are using the NCL controller and NOVELL, select under DEBUG
the ROM-BIOS table type 98.

Debug address for the WD 1007V controller is G=CC00:5.

D5682
-----
When you are using the NCL controller and NOVELL, select under DEBUG
the ROM-BIOS table type 109.













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