W D 1 2 IBM NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 306| | | Capacity form/unform 10/ 12 MB Heads 4| | | Seek time / track 99.9/ ms Sector/track 17| | | Controller MFM / ST506 Precompensation 296 Cache/Buffer KB Landing Zone Data transfer rate 0.625 MB/S int Bytes/Sector 512 0.625 MB/S ext Recording method MFM 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 Warranty Month Lift/Lock/Park NO Certificates ********************************************************************** L A Y O U T ********************************************************************** IBM WD-12/WD-25 PRODUCT DESCRIPTION +---------------------------------------------------------+ | |XX | |XX J2 | |XX | |XX | Terminator +--------+ | 1 | Resistor +--------+ | | | | S5-+|XX | | ||XX | 1-+|XX J1 | |XX | |XX | |XX | |XX | | 1 | |XX1 J3 | |XX Power +---------------------------------------------------------+ ********************************************************************** J U M P E R S ********************************************************************** IBM WD-12/WD-25 PRODUCT DESCRIPTION Jumper Setting ============== S5 Drive Select ---------------- +----------+--------------------------------+ | Drive | Switches | | Select | 4 | 3 | 2 | 1 | +----------+-------+-------+-------+--------+ | 1 | OPEN | OPEN | OPEN | CLOSED | | 2 | OPEN | OPEN | CLOSED| OPEN | | 3 | OPEN | CLOSED| OPEN | OPEN | | 4 | CLOSED| OPEN | OPEN | OPEN | +----------+-------+-------+-------+--------+