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Hard Drive: MAXTOR: 7120A 124MB 3.5"/SL IDE / AT




7 1 2 0 A    MAXTOR
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/SLIMLINE         Cylinders    1516|  936| 1024|  762
Capacity form/unform   124/  154 MB        Heads           4|   16|   14|    8
Seek time   / track  15.0/ 3.0 ms          Sector/track     |   17|   17|   39
Controller           IDE / AT              Precompensation
Cache/Buffer            64 KB              Landing Zone
Data transfer rate    1.500 MB/S int       Bytes/Sector      512
                      6.000 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         5 50    |    -40 65
Power: sleep          0.1 W     Humidity     %                 |
       standby        0.7 W     Altitude    km    -0.061  3.048|        12.192
       idle           1.8 W     Shock        g                 |     70
       seek               W     Rotation   RPM      3699
       read/write     4.8 W     Acoustic   dBA        42
       spin-up            W     ECC        Bit   32,56
                                MTBF         h     150000
                                Warranty Month        12
Lift/Lock/Park     YES          Certificates     CSA,FCC,TUV,UL1950,VDE       

Layout

MAXTOR 7120A/7060A PRODUCT MANUAL PART #1194 REVISION B

  +---------------------------------------------------------+
  |                                           +-+-+-+-+     |
  |                                           +++++++++     |
  |                                        J11-+ |J14+--J15 |XX
  |                                        J13---+    +-+   |XX
  |                                                   +-+J16|XX
  |                                                   +-+J17|XX
  |                                                   +-+J18|XX J3
  |                                                   +-+J19|XX
  |                                                   +-+J20|XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |X1
  |                                                         |
  |                                                         |X1 J2
  |                                                         |XX
  +---------------------------------------------------------+

Jumpers

MAXTOR 7120A/7060A PRODUCT MANUAL PART #1194 REVISION B

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

PCBA 48
---------
Note: Jumpers J14, J15, J16, and J19 are reserved.
Abnormal operation may occur if altered.

PCBA 38
---------
Note: Jumpers J14 and J15 are reserved.
Abnormal operation may occur if altered.

 J11 PCBA   38  I/O Channel Ready
 --------------------------------
      CLOSED  Option Enabled
      OPEN    Option Disabled (default)

 J13/J14  PCBA   38  Power-up Configuration
 ------------------------------------------
        J14     J13      Cyl   Hds   Sec   MB
 ---------------------------------------------------------
 7120A  CLOSED  CLOSED   936   16    17    130.3 (default)
        OPEN    OPEN    1024   14    17    124.8
        CLOSED  OPEN     762    8    39    121.7
        OPEN    CLOSED   900   15    17    117.5

 7060A  CLOSED  CLOSED   467   16    17     65.0 (default)
        OPEN    OPEN    1024    7    17     62.4
        CLOSED  OPEN     762    4    39     60.9
        OPEN    CLOSED   925    8    17     64.4

 J17 PCBA   38  Drive Modell Number
 ----------------------------------
     CLOSED  Modell Number 7120A
     OPEN    Modell Number 7060A

 J18 PCBA   38  ECC Bytes
 ------------------------
     CLOSED  4 Bytes (default)
     OEPN    7 Bytes

 J19/J20 PCBA   38  Master/Slave
 -------------------------------
      J19 CLOSED  Only drive in single drive system (Default)
      J20 CLOSED

      J19 OPEN    Master in dual drive system
      J20 CLOSED

      J19 CLOSED  Slave in dual drive system
      J20 OPEN

A master/slave relationchip exists between the two drives: drive 0 is
the master, and drive 1 the slave.

 J11 PCBA   48  I/O Channel Ready
 --------------------------------
      CLOSED  Option Enabled
      OPEN    Option Disabled (default)

 J13  PCBA   48  Power-up Configuration
 --------------------------------------
 7120A  J13     Cyl   Hds   Sec   MB
 -------------------------------------------------
        CLOSED  936   16    17    130.3 (default)
        OPEN   1024   14    17    124.8

 7060A  CLOSED  925    8    17     64.4 (default)
        OPEN   1024    7    17     62.4

 J17 PCBA   48  Drive Modell Number
 ----------------------------------
     CLOSED  Modell Number 7120A
     OPEN    Modell Number 7060A

 J18 PCBA   48  ECC Bytes
 ------------------------
     CLOSED  4 Bytes (default)
     OEPN    7 Bytes

 J20 PCBA   48  Master/Slave
 ---------------------------
      J20 CLOSED  Only drive in single drive system (Default)

      J20 CLOSED  Master in dual drive system

      J20 OPEN    Slave in dual drive system

A master/slave relationchip exists between the two drives: drive 0 is
the master, and drive 1 the slave.

 J2   DC Power and pin connector assignments
 -------------------------------------------
      +------------+   pin 1    +12 VDC
      | 1  2  3  4 |   pin 2    +12 V Ground Return
      +------------+   pin 3    + 5 V Ground Return
                       pin 4    + 5 VDC

Install

MAXTOR 7120A/7060A PRODUCT MANUAL PART #1194 REVISION B

Notes of Installation
=====================

Automatic Headpark and Lock Operation
-------------------------------------
Immediately following power-down, dynamic braking of the spinning
disks delays momentarily and lets the heads move to an inner
mechanical stop. A small fixed magnet holds the heads in place as the
disk spin down. The heads are released only when power is again
applied.

Dual Drive Support
------------------
Two drives may be accessed via a common interface cable, using the
same range of I/O addresses. A jumper on J20 designates the drive as
a master. When J20 is not jumpered, the drive is a slave. Whether a
drive is a master or slave determines the function of pin 28, DASP-,
for that drive. DASP- (Drive Active Slave Present) is a time-multi-
plexed signal that serves as an input on the master and an output on
the slave. At power on, the master allows a time period for the slave
to set the DASP- line. If the slave fails to do so, the master
assumes it is the only drive in the system. After DASP- has been set,
or after the master's input period has expired, the DASP- line is
used as a drive active line and is set when the host accesses either
drive.

All Task File registers are written in parallel to both drives. The
interface processor on each drive decides whether a command written
to it should be executed; this depends on the type of command and
which drive is selected. Only the drive selected executes the command
and activates the data bus in response to host I/O reads; the drive
not selected remains inactive.

A master/slave relationship exists between the two drives: drive 0 is
the master, and drive 1, the slave. In response to the Execute
Diagnostics command, both drives execute diagnostics. The slave re-
ports its status with its own, and then reports to the host.

Drive Type
----------
7000 Series drives incorporate a dynamic configuration algorithm.
Within limits of the drive's capacity, the algorithm lets the host
configure CMOS to any DOS Legal ATA translation.

Cooling
-------
The cabinet cooling must be designed by the customer so that the
ambient temperatures measured 0,5" above the PCBA and top cover
surfaces do not exceed temperature specifications listed in this
describtion.

Power Connector
---------------
Power is applied through J2, a 4-pin connector (Molex P/N 1-480424-0;
AMP P/N 1-480424-0).

Never force poloarited connectors into place.

Features

MAXTOR 7120A/7060A PRODUCT MANUAL PART #1194 REVISION B

Introduction
------------
Maxtor 7000 Series AT disk drives are 1" high, 3.5" random access
storage devices which incorporate an on-board AT controller. Maxtor
engineers have applied recent advances in hard drive technology to
the design and manufacture of these drives. Reduced size and in-
creased durability make them especially well-suited to notebook,
laptop, and desktop applications.

Defect and Error Management
---------------------------
7000 Series drives employ a "push-down" defect management routine.
The drive organizes physical sectors into a logical string. If a
defective sector is found, it is skipped, and the entire logical
string is shifted down by one. Reserved sectors beyond the end of the
logical string prevent any loss of capacity or performance.

Any defective sectors are recorded while the drive is still at the
factory and the resulting list loads into SRAM during power on.

In the event of a data error, Error Correction Code (ECC) allow data
recovery even when several bits of the original data have been lost.

SRAM Buffer
-----------
The 3 major areas of SRAM (Static Random Access Memory) include:
defect management, a read buffer, and a write buffer.

Drive defects load into SRAM from the reserved history cylinder and
are referenced for every read, write, and seek operation. Each defect
causes all remaining logical data sectors to be shifted down by one.
Since the defect list is in SRAM, the drive can quickly determine the
logical offset to locate a desired sector.

The large read buffer and smaller write buffer optimize data through-
put for both fast and slow host systems.

Data Reliability
----------------
Reliability specifications require a proper implementation of the
host/drive interface, including correct interface timings, power
supply voltages, environmentsl conditions, and data handling circuits
in the host system. General error rate computations exclude any
errors caused by factory-located defects or host system failures.
Specified error rates are based on the assumptions that

1. the drive operates within DC power requirements, and

 2. any errors caused by media defects or host system failures are
    excluded from error rate computations.

Seek Time
---------

                                          | 7000   |
        ----------------------------------+--------+
        Track-to-Track         msec. typ. |   3    |
        1/3 Stroke             msec.      |  16    |
                       Average msec. typ. |  15    |
                       Average msec. max. |  27    |
        Latency                msec. avg. |   8.5  |
        ----------------------------------+--------+

Reliability and Maintenance
---------------------------
MTBF 150,000 POH (power-on-hours)
AFR (Annualized Failure Rate) 1.7%
Component design life 5 years minimum

Magnetic Field
--------------
The externally induced magnetic flux density may not exceed 6 gauss
as measured at the disk surface.

Basic Installation Steps
------------------------
Install a 40-pin ribbon cable connector. The striped edge of this
cable represents pin 1 and must be oriented towards pin 1 at the
drive connector and at the host connector.

Install a DC power connector.

Secure the drive in a drive bay with 6-32 x 1/4" screws.

If the AT BIOS supports a user-programmable drive type, select and
programm the drive parameters that will give the highest available
capacity.

If the AT VIOS does not supports user-programmable drive types,
choose one of the drive's translation paaarameters that matches a
standard drive type in BIOS.

The drive is now ready for partioning and high-level formatting with
any operating system.

General

MAXTOR IDE INSTALLATION

            INSTALLATION PROCEDURE FOR AN IDE DRIVE
            ---------------------------------------
 1. Install a 40 pin Data Cable ensuring that 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 jumper configurations for Master/Slave operation
    (Note:  Master will be the bootable drive. The slave will not
    be bootable.) Also make sure the existing C: drive is jumped
    to be the Master in a two drive system, not the only drive in
    the system.

4. Apply power to the computer.

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

 4b. If your system's BIOS supports a user programmable drive
     type, program the BIOS with the default parameters of your
     drive. If your system does not support a user programmable
     drive type choose parameters that closely match but do not
     exceed the drives MegaByte capacity. Escape from set-up
     then choose write to CMOS and exit.

 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: IDE drives are low-level
    formatted from the manufacturer and only need a high-level
    format).

    To configure the drive as a slave drive repeat steps 1-4 and
    proceed with steps 5a. and 6a. as follows:

  5a. At the C> prompt type in FDISK. When the menu options appear
      select option 5 to switch to the second drive. Enter fixed
      disk drive number 2. Then choose option 1 to create a DOS
      partition, then select option 1 again to create a Primary DOS
      partition or option 2 to create an Extended DOS partition.
      (Note: C and D drives will always be the Primary partitions
      but only the Primary partition on C: will have a status of
      active).

  6a. Proceed with a high-level format on the drive by typing FORMAT
      D: (Note: Make sure the correct drive letter has been selected
      for format).

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













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