Hard Drive: TEAC: SD-540 40MB 5.25"/HH MFM ST412

S D - 5 4 0    TEAC
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/HH              Cylinders     615|     |     |
Capacity form/unform    40/      MB        Heads           8|     |     |
Seek time   / track  40.0/     ms          Sector/track   17|     |     |
Controller           MFM / ST412           Precompensation 65535
Cache/Buffer               KB              Landing Zone
Data transfer rate    0.625 MB/S int       Bytes/Sector      512
                      0.625 MB/S ext
Recording method                                    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      20000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

Jumpers

TEAC SD-540 JUMPER SETTING

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

Dip Switch SW1
--------------

 +--1--------------------------10-+   ^
 | +-++-++-++-++-++-++-++-++-++-+ ON -+
 | |x||x||x||x||x||x||x||x||x||x| |
 | +-++-++-++-++-++-++-++-++-++-+ OFF +
 +--------------------------------+   v

 Drive Select
 ------------
 +--1--2--3--4-----------------10-+
 | +-++-++-++-++-++-++-++-++-++-+ | Only one of the elements, No. 1
 | |x||x||x||x||X||X||X||X||X||X| | through 4 should be switched ON
 | +-++-++-++-++-++-++-++-++-++-+ | according to the drive address!
 +--------------------------------+

 +--1-----------5--6--7--8--9--10-+ If one drive is connected to the
 | +-++-++-++-++-++-++-++-++-++-+ | host system, or if the drive is
 | |X||X||X||X||x||x||x||x||x||x| | connected at the end of the daisy
 | +-++-++-++-++-++-++-++-++-++-+ | chained cable, all elements of
 +--------------------------------+ No. 5 through 10 should be
                                    switched ON.
 Except for the last drive, all elements of No. 5 through 10 should
 be OFF.