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Hard Drive: MAXTOR: XT-4380SH 338MB 5.25"/FH SCSI1 DIFF




X T - 4 3 8 0 S H    MAXTOR
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders    1224|     |     |
Capacity form/unform   338/  384 MB        Heads          15|     |     |
Seek time   / track  16.0/ 2.5 ms          Sector/track   36|     |     |
Controller           SCSI1 DIFFERENTIAL    Precompensation
Cache/Buffer            32 KB              Landing Zone
Data transfer rate          MB/S int       Bytes/Sector      512
                      4.800 MB/S ext
Recording method     RLL                            operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C        10 50    |    -40 62
Power: sleep              W     Humidity     %         8 80    |      8 80
       standby            W     Altitude    km    -0.305  3.048| -0.305 12.192
       idle               W     Shock        g         5       |     25
       seek          28.0 W     Rotation   RPM      3600
       read/write         W     Acoustic   dBA        45
       spin-up            W     ECC        Bit
                                MTBF         h      70000
                                Warranty Month
Lift/Lock/Park     YES          Certificates     CSA,FCC,IEC950,UL1950,VDE    

Layout

MAXTOR XT-4000S FAMILY DISK DRIVES QUICK REFERENCE DRIVES 1018332

  Fab #6 (P/N 1019822)
  +----------------+---------+------------------------+++---+
  |                +---J4----+  ++JP26             JP34+JP41|XX
  |                             ++                 RN18+    |XX
  |                                                   ||    |XX
  |                       ++JP10      +-+JP40         1+    |XX
  |                       ++          | | :        RN19+    |XX
  |                          ++JP11   | | :           ||    |XX
  |                          ++       +-+JP35         1+    |XX
  |                                                RN17+    |XX
  |                      ++JP15                       |+JP18|XX
  |                      ++                           1++   +-+
  |+--+                                                    +-+|
  ||  |                   +JP14                            | ||
  ||  |                   ++                               | ||
  ||J5|                                                   J2-+|
  |+--+                           +-+JP4                    +-+
  |                               | | :                    XX J3
  |                               +-+JP7                   XX Power
  +---------------------------------------------------------+

   Fab #1 (P/N 1015664, 1015377, 1014207)
  +----------------+-----------+----------------------+++---+
  |                +---J4---+-++                   JP34+JP41|XX
  |                         +-JP26                 RN18+    |XX
  |                                                   ||    |XX
  |                                  +JP37 +JP38      1+    |XX
  |                                  ++    ++      RN19+    |XX
  |                                  +JP36 +JP39      ||    |XX
  |                                  ++    ++         1+    |XX
  |                                  +JP35 +JP40   RN17+    |XX
  |                                  ++    ++         |+JP18|X1
  |                         +JP32                     1++   +-+
  +--+                      ++                             +-+|
  |  |                      +JP33                          | ||
  |  |             +JP15    ++                             | ||
  | J5             ++     ++                              J2-+|
  +--+                JP16||  ++JP11                        +-+
  |                   JP17||  ||                           XX J3
  |                   JP14++  ++JP10                       XX Power
  +---------------------------------------------------------+

   Fab #3 (P/N 1018353 and 1018359)
  +----------------+---------+------------------------+++---+
  |                +---J4----+  ++JP26             JP34+JP41|XX
  |                             ++                 RN18+    |XX
  |                                                   ||    |XX
  |                       ++JP10      +-+JP40         1+    |XX
  |                       ++          | | :        RN19+    |XX
  |                   +JP11  ++JP8    | | :           ||    |XX
  |                   ++     ++       +-+JP35         1+    |XX
  |                                                RN17+    |XX
  |                      ++JP32         JP2           |+JP18|XX
  |                      ++         JP1-+++-+-JP9     1++   +-+
  |+--+            JP15+ +JP33        +-+-+++-+            +-+|
  ||  |               ++ ++                JP3             | ||
  ||  |                                                    | ||
  ||J5|                   +JP14                           J2-+|
  |+--+                   ++      +-+JP4                    +-+
  |                               | | :                    XX J3
  |                               +-+JP7                   XX Power
  +---------------------------------------------------------+

Jumpers

MAXTOR XT-4000S FAMILY DISK DRIVES QUICK REFERENCE GUIDE 1018332

Jumper setting
==============

x = Jumper set at factory

  J2  Auxiliary Connector Pin Assignment
  --------------------------------------
         +------+------+------+------+------+
         |Pin 9 |Pin 7 |Pin 5 |Pin 3 |Pin 1 |
         |GND   |-WRT  |-LED  |(key) |+LED  |
         |      |PROTEC|      |      |      |
         +------+------+------+------+------+
         |Pin 10|Pin 8 |Pin 6 |Pin 4 |Pin 2 |
         |ID0   |ID1   |ID2   |GND   |(open)|
         |      |      |      |      |      |
         +------+------+------+------+------+

 When pin seven is connected to ground, the drive is protected from
 writing, regardless of commands sent to the drive via the SCSI inter-
 face. The write protect signal may also be connected to an LED whose
 (+) terminal is tied to a voltage source, so that the LED is
 illuminated when the pin is grounded and the drive is in write
 protect mode.

For remote write protect, JP18 must be removed.

 When an LED is connected to pins one (+) and five (-), that LED
 functions in the same manner as the LED which is mounted on the
 drive's faceplate. This is typically used in cases when the drive
 is positioned where the LED is not visible or the faceplate has been
 removed.

Pin three is not present so that users can key the mating connector.
Pin three of the mating connector should be blocked for this purpose.

The SCSI ID of the drive may be programmed remotely by selectively
connecting pins six (ID2), eight (ID1), and ten (ID0) to ground, or
leaving them open.

SCSI ID jumpers (JP35 through JP37) must be removed for the remote
SCSI ID option.

 JP37/36/35  SCSI ID
 -------------------
 +--------+----------+---------+---------+---------+
 |SCSI ID | Priority |JP37 ID2 |JP36 ID1 |JP35 ID0 |
 +--------+----------+---------+---------+---------+
 |   0    | Lowest   |OPEN     |OPEN     |OPEN     |
 +--------+----------+---------+---------+---------+
 |   1    |   .      |OPEN     |OPEN     |CLOSED   |
 +--------+----------+---------+---------+---------+
 |   2    |   .      |OPEN     |CLOSED   |OPEN     |
 +--------+----------+---------+---------+---------+
 |   3    |   .      |OPEN     |CLOSED   |CLOSED   |
 +--------+----------+---------+---------+---------+
 |   4    |   .      |CLOSED   |OPEN     |OPEN     |
 +--------+----------+---------+---------+---------+
 |   5    |   .      |CLOSED   |OPEN     |CLOSED   |
 +--------+----------+---------+---------+---------+
 |x  6    |   .      |CLOSED   |CLOSED   |OPEN     |
 +--------+----------+---------+---------+---------+
 |   7    | Highest  |CLOSED   |CLOSED   |CLOSED   |
 +--------+----------+---------+---------+---------+

The drive is shipped from the factory with an ID of six. This assures
that sufficient jumpers are available for any address except seven,
which is usually reserved for the host system.

The SCSI device ID can also be set remotely through the auxiliary
connector. The SCSI ID jumpers must be removed for this option. Any
shorting required for a selected ID is done outside the drive.

JP14/JP38 Drive Power-Up Options
---------------------------------
In order to allow for system power supply constraints, which may
require minimizing surge current when powering up multiple drives,
three modes of start up sequencing are provided.

   +------+--------------+-----------------------------+
   |JP14  |JP38          |Mode                         |
   +------+--------------+-----------------------------+
   |OPEN  |OPEN          |Start by ID Sequence         |
   +------+--------------+-----------------------------+
   |OPEN  |CLOSED        |Wait for START Command       |
   +------+--------------+-----------------------------+
  x|CLOSED|OPEN or CLOSED|Start when power is Applied  |
   +------+--------------+-----------------------------+

JP14 = Spin with power
JP38 = Spin delay

Start by ID Sequence
With both JP14 and JP38 out, the drive delays spinup for approxi-
mately 11 to 13 seconds times the SCSI ID. This allows for power up
sequencing. A RESET condition results in the drive delaying its
spinup according to its SCSI ID.

Wait for Start Command
With JP14 out and JP38 in, the drive does not spin up until the
initiator issues a START/STOP UNIT Command with the start bit equal
one.

Start when power is Applied
When JP14 is in and JP38 is out, the motor starts as soon as power is
applied. The drive is shipped in this configuration.

Note: If the drive has JP14 in and JP38 out, it does not respond to
a START/STOP UNIT command.

JP41/34 Terminator Power Selection
-----------------------------------
Power to the terminators may come internally from the drive, or
externally from the SCSI bus.

   JP34  OPEN
 x JP41  CLOSED  Terminator power is internal, from the drive

   JP41  OPEN
   JP34  CLOSED  Terminator power is external, from the SCSI bus

With both JP41 and JP34 in, terminator power is provided from the
drive and to the SCSI bus. Hence, the drive is at one end of the SCSI
bus with terminators in place and is also supplying terminator power
for the device at the other end of the SCSI bus.

 JP18  Write Protect Option
 --------------------------
   JP18  CLOSED  Data cannot be written to the drive; only READ opera-
                 tion can be executed.

Installation of JP18 grounds the remote write protect line, J2, pin
seven, forcing WRITE PROTECT on, and prevents remote control through
J2-7 on the ten-pin connector.

As shipped from the factory, JP18 is out, allowing normal reading/
writing, or optional remote control through the J2 connector.

 JP40  Parity Option
 -------------------
  x JP40  CLOSED  Enables odd parity detection in the drive.
          OPEN    Disables odd parity detection in the drive.

Odd parity is always generated by the drive and provided to the SCSI
bus.

Other Jumppers
--------------
Other jumper positions are not user selectable and are shipped as
indicated in Tables below. The user should avoid changing these
jumpers, or improper operation may occur.

   +--------------------------------------------------------------+
   |Pin Assignments Fab #1                                        |
   +------+------+------+------+------+------+------+------+------+
   |JP10  |JP11  |JP15  |JP16  |JP17  |JP26  |JP32  |JP33  |JP39  |
   |CLOSED|CLOSED|OPEN  |CLOSED|OPEN  |OPEN  |CLOSED|CLOSED|OPEN  |
   +------+------+------+------+------+------+------+------+------+

   +--------------------------------------------------------------+
   |Pin Assignments Fab #3                                        |
   +------+------+------+------+------+------+------+------+------+
   |JP1   |JP2   |JP3   |JP4   |JP5   |JP6   |JP7   |JP8   |JP9   |
   |CLOSED|CLOSED|CLOSED|CLOSED|CLOSED|CLOSED|CLOSED|CLOSED|CLOSED|
   +------+------+------+------+------+------+------+------+------+

   +------------------------------------------------+
   |Pin Assignments Fab #3                          |
   +------+------+------+------+------+------+------+
   |JP10  |JP11  |JP15  |JP26  |JP32  |JP33  |JP39  |
   |CLOSED|CLOSED|OPEN  |OPEN  |CLOSED|CLOSED|OPEN  |
   +------+------+------+------+------+------+------+

NOTE: Positions JP1, JP2, JP3, JP8, JP9, JP32 and JP33 are
eliminated in the Fab #6 PCB.

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

Install

MAXTOR XT-4000S FAMILY DISK DRIVES QUICK REFERENCE GUIDE 1018332

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

Installation direction
----------------------

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

The drive will operate in all axis (6 directions).

Mounting
--------
The disk drive may be mounted in any orientation. In any final
mounting configuration, ensure that the operation of the three shock
mounts which isolate the base casting from the frame is not
restricted. Certain switching power suppplies may emanate electrical
noise, which can degrade the specified read error rate. For best
results, orient the drive so that the PCB assembly is not adjacent to
these noise sources.

Caution: The XT-4000S disk drive should be handled with extreme care.
Do not bang or drop the drive.

Mounting Holes
--------------
Eight mounting holes, four on the bottom and two on each side, are
provided for mounting the drive into an enclosure. The size and
location of these holes are identical to industry standard floppy
drives.

Caution: The casting is very close to the frame mounting holes in
some locations. Mounting screws lengths must be chosen such that no
more than 0.125 inch of the screw is available to enter the frame
mounting hole. The torque applied to the mounting screws must be
between 9 and 12 inch pounds.

J1 SCSI Connector
-----------------
Connection to J1, the SCSI interface connector is via a non-shielded
fifty-conductor connector consisting of two rows of twenty-five
female contacts on 0.1 inch centers. Recommended strain-relief
connectors are AMP part-number 1-499506-2, or Dupont part number
669002 (66900-250). Use of a keyed connector is strongly recommended.

J2 Auxiliary Connector
----------------------
Connector J2 is an auxiliary connector providing remote control of
write protect and SCSI ID, and the ability to carry the LED signal
beyond the drive. The auxiliary connector is a Berg 68451-121,
ten-pin part. The mating connector is a 3M 3473-6010 part.

J3 Power Connector
------------------
The DC power connector, J3, is a four-pin AMP MATE-N-LOCK connector,
part number 350543-1. The recommended mating connector is part
number 1-480424-0. using AMP pins part number 350078-4 (strip) or
part number 61173-4 (loose piece).

J4 DC Logic Ground
------------------
The DC logic ground connector at the back of the HDA, J4, is a
Faston-type connector, AMP part number 61761-2. The recommended
mating connector is AMP part number 62187-1. If wire is used, the
hole in J4 will accommodate a maximum wire size of 18 AWG maximum.
This ground is optional.

Note. The frame of the disk drive is insulated from the HDA and,
hence the DC logic ground. The frame is electrically connected to the
computer system chassis when mounted in a computer system. Normally
the chassis, and hence the frame of the drive, is at earth ground.

Sector Size
-----------
The drive is shipped from the factory formatted with 512 byte
sectors. Configuration parameters are default values in all optional
cases. It is recommended that users reformat the drive with the
user's sector size, using the Plist and the user's configuration
parameters.

Interface Termination
---------------------
SCSI devices require proper interface termination. The first device
and the last device on the daisy chain SCSI bus must be terminated.
Remove the terminators from any devices in between. For instance, if
the drive is in the middle of the string, remove its terminators.

Pin one is on the end of the terminator that is marked with a dot.
Note that the hole/solder pad for pin one has a square outline,
whereas all others have a round outline. Pin one is oriented toward
the power connector, J3.

Note: All terminator packs (RN17 through RN19) must be oriented
with the dot toward J3 for the drive to work properly.

As shipped, interface signal lines are terminated with three
removable 220/330 ohm resistor network packs.

The device driving the drive inputs should be open collector devices
capable of sinking at least 48 milliamps at a voltage level of less
than 0.5 volts DC (7438 or equivalent).

Devices receiving the drive inputs should be SCHMITT trigger type
to improve noise immunity; 74LS14, 74LS240, or equivalent. The
initiator should not load bus with more than one standard low power
Schottky transistor-transistor logic (LSTTL) input load per line, and
should terminate all signals with 220/330 ohm terminators.

Removable Faceplate
-------------------
The faceplate may be removed in installations where it is not
required. Remove the two C-clips and unplug the LED cable from the
PCB.

Features

MAXTOR XT-4000S FAMILY DISK DRIVES QUICK REFERENCE GUIDE 1018332

 Seek Time
 ---------
                                        | 4170S  | 4380S  |
      ----------------------------------+--------+--------+
      Track-to-Track         msec. typ. |   2.5  |   2.5  |
                             msec. max. |   3    |   3    |
      ----------------------------------+--------+--------+
                     Average msec. typ. |  14    |   16   |
                     Average msec. max. |  16    |   18   |
      ----------------------------------+--------+--------+
      Full Stroke            msec. typ. |  27    |   29   |
                             msec. max. |  34    |   34   |
      ----------------------------------+--------+--------+

Seek Time includes Settling Time.

Reliability Specifications
--------------------------
MTBF 70,000 POH, Typical Usage
PM Not Required
MTTR 15 Minutes
Component Design Life 5 Years

General

MAXTOR SCSI INSTALLATION

         GENERIC INSTALLATION PROCEDURE FOR A SCSI DRIVE
   -----------------------------------------------------------

 1. Install a 50 pin ribbon connector making sure pin 1, which
    can be identified by the striped edge of the cable, is closest
    to the power connector on the drive.

2. Install a DC power cable to the back of the drive.

 3. Verify the SCSI ID selection.
    Note: SCSI ID usually needs to be set to 0 to be the boot drive.
    The last physical device on the SCSI bus must be terminated.
    Any other drive or SCSI device connected between the host and
    the device at the end of the bus must not be terminated.

4. Apply power to the computer.

  4a. When memory test is complete go into your system's Standard
      C-MOS set-up.
      (Note:  There are various ways to get into C-MOS set-up,
      please refer to system's manual for instuctions.)

  4b. Set the drive type to "Not Installed". This intelligent drive
      will identify itself to the SCSI host adapter.

 5. Boot from a DOS diskette that has FDISK.EXE and FORMAT.COM on
    it. At the A> prompt type in FDISK. At the menu options select
    option 1 to create a DOS partition. Another menu will appear and
    from those options choose 1 to create a Primary DOS partition.
    Select yes to make 1 large partition and it will automatically
    become active. Then escape from FDISK.

 6. At the A> prompt type in FORMAT C:/S
    This does a high-level format on the drive and transfers the
    system files in order for the drive to be bootable.
    (Note: Maxtor SCSI drives are low-level formatted at the factory)

 7. The drive is now bootable. As a test remove the DOS diskette
    from A and press reset to re-boot the computer, a C> should be
    displayed, the drive is now ready for operation.













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