D R - 3 1 2 C   A T    ALPS ELECTRIC
<p align="center"><a href="http://4drives.com"><img border="0" src=/images/Dcplogo2.gif width="476" height="108" alt="CLick For Homepage 4drives.com"></a><br><b><i><font face="Times New Roman" size="4" color="#0000FF">Your #1 Source For Out Of Production, Obsolete, And Hard To Find Hard Drives</font></i><BR>CLICK ON THE LOGO ABOVE TO CHECK PRICE AND AVAIABILITY OF THIS DRIVE.</b><BR>This information is provided as-is for free and Discount Computer Peripherals, Inc. shall not be held liable for any errors or omissions<br><BR>
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</script>.</p><pre>                                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/SLIMLINE         Cylinders    2108|  527|  732|
Capacity form/unform   211/      MB        Heads           4|   16|   16|
Seek time   / track  13.0/     ms          Sector/track   49|   49|   35|
Controller           IDE / AT              Precompensation
Cache/Buffer           128 KB LOOK-AHEAD   Landing Zone
Data transfer rate    0.913 MB/S int       Bytes/Sector      512
                     16.000 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C           50    |    -40 60
Power: sleep              W     Humidity     %         8 80    |      5 95
       standby        0.6 W     Altitude    km                 |
       idle               W     Shock        g         5       |     75
       seek               W     Rotation   RPM      3448
       read/write     3.1 W     Acoustic   dBA
       spin-up       10.0 W     ECC        Bit
                                MTBF         h     150000
                                Warranty Month
Lift/Lock/Park     YES          Certificates     CSA,TUV,UL1950


**********************************************************************
                        L   A   Y   O   U   T
**********************************************************************
ALPS     DR-312C  JUMPER SETTING

 Short Pin Block
 ---------------

                                +--SPM Synchronization
                                |
                          MS0   |  MS3  DSP
                 MS2+ MS1 | DC SYN | HSP | ACT C/D
                  +-+--+--+--+--+--+--+--+--+--+-+
                  | o  o  o  o  o  o  o  o  X  X |
                  | o  o  o  o  o  o  o  o  X  X |
           -------+------------------------------+--PCB----
                    +--+--+  ++    |  +--+---+--+------ Daisy-chain
                   Power Save |    +- RESERVED
                             Drive Configuration



 For shipment, usually only "C/D" and "-ACT" are CLOSED and other pins
 are open.



**********************************************************************
                      J   U   M   P   E   R   S
**********************************************************************
ALPS     DR311/DR312

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

 +--------+------------+--------------+---------------+
 |Jumper  |  1 Harddisk|  2 Harddisks |   2 Harddisks |
 |        |            |  Master      |   Slave       |
 +--------+------------+--------------+---------------+
 | -C/D   |   CLOSED   |   CLOSED     |    OPEN       |
 +--------+------------+--------------+---------------+
 | -ACT   |   CLOSED   |   CLOSED     |    CLOSED     |
 +--------+------------+--------------+---------------+
 | -DSP   |   OPEN     |   CLOSED     |    OPEN       |
 +--------+------------+--------------+---------------+
 | -HSP   |   OPEN     |   OPEN       |    OPEN       |
 +--------+------------+--------------+---------------+