Fujitsu M2622T HARD DISK DRIVE REPAIR, Fujitsu M2622T HARD DISK DRIVE SPECIFICATIONS,
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Specifications



fujitsu m2622t picture.
fujitsu m2622t picture.
fujitsu m2622t picture.

Fujitsu M2622T Specifications
Model Capacity Size Height Bus Type Int.Type
Fujitsu M2622T 326MB 3.5" HHT IDE AT

M2622T    FUJITSU
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/HH               Cylinders    1429| 1013|     |
Capacity form/unform   326/      MB        Heads           7|   10|     |
Seek time   / track  12.0/ 3.0 ms          Sector/track   63|   63|     |
Controller           IDE / AT              Precompensation
Cache/Buffer            64 KB LOOK-AHEAD   Landing Zone
Data transfer rate    3.050 MB/S int       Bytes/Sector      512
                      7.400 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         5 45    |    -40 60
Power: sleep              W     Humidity     %        20 80    |      5 95
       standby            W     Altitude    km            3.000|        12.000
       idle           9.5 W     Shock        g         5       |     50
       seek          11.0 W     Rotation   RPM      4400
       read/write    10.0 W     Acoustic   dBA        43
       spin-up            W     ECC        Bit   32,56
                                MTBF         h     200000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

Layout

FUJITSU M2622T/2623T/2624T OEM MANUAL 41FH5066E-01

  +---------------------------------------------------------+
  |                                                         |XX
  |                                                         |XX
  |                                               SW1       |XX
  |    LED/CN5                                  1+---+      |XX I/F
  |   1--2                                       |x  |      |XX
  |   |  |                                       |x  |      |XX
  |   +--+                                   OFF |x  | ON   |XX
  |                                              |x  |      |XX
  |                                              |x  |      |XX
  |                                              |x  |      |XX
  |                                             6+---+      |XX
  |                                                         |XX
  |                    2+- CNH1 -+8                         |XX
  |                    1+--------+7                         |
  |                                                         |
  |                                                         |XX Power
  |                                                         |XX
  +---------------------------------------------------------+

Jumpers

FUJITSU M2622T/M2623T/M2624T OEM MANUAL 41FH5066E-01

Switches locations
==================

x = Jumpers are set from factory

 SW1  I/O channel ready signal output
 ------------------------------------
       1   ON     Output to pin 27
 x     1   OFF    IORDY output is disabled

Specify whether to output the IORDY signal to pin 27 of the HOST
interface. When the data transfer rate of the host is very high
(around 7.4MB/s), the IORDY signal is output to synchronize data
transfer by inserting wait states.

 SW1  Connection to the spindle synchronous signal
 -------------------------------------------------
       2   ON     Connected to HOST interface
 x     2   OFF    Not connected to HOST interface
                  SPSYNC line is disconnected

Specify whether to connect pin 28 of the HOST interface
The SPSYNC switch is provided as an option.

 SW1   Write-protect
 -------------------
       3   ON   Write-protected
 x     3   OFF  Write protect is disabled

 SW1   7-byte ECC in write/read LONG mode
 ----------------------------------------
       4   ON   7 Byte The number of ECC bytes in LONG mode is
                       always 7 bytes regardless of the setup of
                       the host.
 x     4   OFF  4 Byte The number of ECC bytes in LONG mode depends
                       on the setup done with the SET FEATURES com-
                       and. The default setup after power-on is 4
                       bytes.

 SW1   Slave present mode/Active mode
 ------------------------------------
       5   ON   Slave drive
 x     5   OFF  Master drive

 SW1   For factory use
 ---------------------
       6

 CNH1  SPINDLE SYNC execution
 ----------------------------
 x      1- 2  OPEN   SPINDLE SYNC is not performed
        1- 2  CLOSE  SPINDLE SYNC is executed

The SPINDLE SYNC operation is provided as an option.

 CNH1  SPSYNC signal OUTPUT/INPUT mode
 -------------------------------------
 x      3- 4  OPEN   OUTPUT mode
                     SPSYNC signal is sent to the I/F pin 28
        3- 4  CLOSE  INPUT mode
                     SPSYNC signal is received from the I/F pin 28

The SPSYNC signal mode is provided as an option.

 CNH1  Reserved
 --------------
        5- 6
        7- 8

Install

FUJITSU M2622T/M2623T/M2624T OEM MANUAL 41FH5066E-01

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

 Installation direction
 ----------------------
     horizontally                          vertically
    +---------------+                  +--+                  +--+
    |               |                  |  +-----+      +-----+  |
    |               |                  |  |     |      |     |  |
 +--+---------------+---+              |  |     |      |     |  |
 +----------------------+              |  |     |      |     |  |
                                       |  |     |      |     |  |
      X           X                    |  |     |      |     |  |
 +------X-------X-------+              |  |     |      |     |  |
 +--+-----X---X-----+---+              |  +-----+      +-----+  |
    |      X X      |                  +--+                  +--+
    |    X    X     |
    +--X--------X---+
     X            X

If the drive is installed in any of the above three installation
directions, the level deviation must not exceed 5*.

Never install PCA to the top!

Ambient temperature
-------------------
The operating temperature range for the IDD in a cabinet is specified
at a distance of 3 cm from the IDD. Design the air flow in the cabi-
net to keep.
Pay attention to the air flow to prevent the DE surface temperatue
from exceeding 65*C.
The air circulation in the cabinet must be designed so that the PCA
side of the IDD is particularly cooled.

Multi-drive connection
----------------------
Up to two IDDs are connectable.

Note: To use a daisy-chain configuration (2-drive system), the disk
drives must be connected to an M261xT series machine or an ATA-com-
patible machine in principle. Operation cannot be assured for daisy-
chain configurations with other machines.

      +------------+         ATA interface      +-----+
      | Host PC    +-------------+--------------+ IDD |
      +------------+             |              +-----+
                                 |              +-----+
                                 +--------------+ IDD |
                                                +-----+

Cable requirements
------------------
The cable of twisted pairs and neighboring line separated individu-
ally is not allowed to use for the host interface cable. It is
because that the location of signal lines in these cables is not
fixed, and so the problem on the crosstalk among signal lines may
occur.

Cable length: 0.5m Max.

External operator panel connector
---------------------------------

 CN5  So that the front panel LEDs can be mounted externally, the
      disk drive has an external operator panel connector. The ex-
      ternal LED indication is the same as the LED indication on the
      front panel of the disk drive.

 Interface Connectors
 --------------------
 +--------------------+--------------+-----------------+-------------+
 |                    |NAME          |MODEL            |MANUFACTURER |
 +--------------------+--------------+-----------------+-------------+
 |AT interface cable  |Cable socket  |FCN-707B040-AU/B |Fujitsu      |
 |(40-Pin, CN1)       |              |(closed end) or  |             |
 |                    |              |FCN-707B040-AU/O |             |
 |                    |              |(Thru end)       |             |
 |                    |              |                 |             |
 |                    |Signal cable  |87711-004        |DUPONT       |
 |                    |              |445-248-40       |SPECTRA-STRIP|
 +--------------------+--------------+-----------------+-------------+
 |Power supply        |Cable socket  |1-480424-0       |AMP          |
 |cable               |housing       |                 |             |
 |                    |Contact       |170148-2         |AMP          |
 |                    |              |                 |             |
 |                    |Signal cable  |86260-001 *1     |DUPONT       |
 |                    |              |                 |             |
 |                    |              |AWG 18 to 24     |             |
 +--------------------+--------------+-----------------+-------------+
 |DC ground           |Quick-connect |62187-1          |AMP          |
 |                    |receptable    |                 |             |
 |                    |(FASTON)      |                 |             |
 |                    |              |                 |             |
 |                    |Cable         |AWG 20           |             |
 +--------------------+--------------+-----------------+-------------+
 |External operator   |Cable socket  |608283392815000  |ELCO         |
 |panel (CN5)         |housing       |                 |             |
 |                    |Contact       |608283052330808  |ELCO         |
 |                    |              |(AWG 24 to 30)   |             |
 |                    |              |608283252330808  |             |
 |                    |              |(AWG 32)         |             |
 +--------------------+--------------+-----------------+-------------+

Features

FUJITSU M2622T/M2623T/M2624T OEM MANUAL 41FH5066E-01 Media Defect
============
Defect sectors are replaced with alternates when the disk is format-
ted prior to shipment from the factory (low level format). Thus, the
host sees a defect-free device. Alternate sectors are automatically
accessed by the disk drive. The user need not be concerned with
access to alternate sectors.

Known defects, for which alternative blocks can be assigned, are not
included in the error rate count. It is assumed that the data blocks
to be accessed are evenly distributed on the disk media.

Drive BIOS specification
========================
The disk drive uses constant density recording technology (all
cylinders are classified into four areas and the recording density
varies in each area). The number of sectors/track varies with the
area. Therefore, the disk drive constantly performs logical/physical
translation (emulation) and the host must access the disk drive
according to the BIOS specifications (logical parameters).

The number of sectors/track and the number of heads in the BIOS
specifications are defined by the INITIALIZE DRIVE PARAMETERS (or
SET PARAMETERS) command from the host.

Table 6.1 describes the BIOS specifications that allow the physical
capacity of the disk drive to be used most effeciently. The disk
drive has a low-level format with these parameters as shipped from
the factory.

           Table 6.1          |M2622T|M2623T|M2624T|
           -------------------+------+------+------+
           Number of cylinders|1013  |1002  | 995  |
           Number of heads    |  10  |  13  |  16  |
           Sectors/track      |  63  |  63  |  63  |
           -------------------+------+------+------+
           Total capacity     | 326MB| 420MB| 513MB|

IF able to change the fixed disk parameter table in the BIOS, the
user can select parameters and incorporate them into the BIOS speci-
fications. However, the selected parameters must satisfy the capaci-
ties listed in Table 6.1.

It is also possible, to select items (within the capacity of Table
6.1) from the existing drive type table in the BIOS of the system.
The disk drive operates as a device of the capacity of the selected
drive type (parameter).

Low-Level Format
================
A low-level format is executed from the factory with the parameters
listed in Table 6.1.

The disk is formatted such that defects are invisble to the host.

General

FUJITSU => GDT

Tips & Hints about ICP controllers and other peripherals
========================================================

Tagged queues and Fujitsu M 26xx harddisks
------------------------------------------
Fujitsu Harddisks of the M26XX series do not support the SCSI-II
feature tagged queues. You should disable this feature in the
initialize disks menue of the GDTSetup program. An inquiry command
shows, that the harddisk supports tagged queues (this is why you can
enable it in the GDTSetup) but this is not true as stated by Fujitsu
Germany.


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