D R - 3 1 2 C A T ALPS ELECTRIC NO MORE PRODUCED 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 | +--------+------------+--------------+---------------+