S T 4 1 2 SEAGATE NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 306| | | Capacity form/unform 10/ 13 MB Heads 4| | | Seek time / track 85.0/17.0 ms Sector/track 17| | | Controller MFM / ST412 Precompensation 128 Cache/Buffer KB Landing Zone 319 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 25.9 W Shock g | seek W Rotation RPM read/write W Acoustic dBA spin-up W ECC Bit MTBF h 11000 Warranty Month Lift/Lock/Park NO Certificates ********************************************************************** L A Y O U T ********************************************************************** SEAGATE ST406/412/419 MFM PRODUCT DESCRIPTION +---------------------------------------------------------+ | |XX | |XX J2 | |XXData | |XX | | 1 | | | | | Terminator |XX | +--------+ |XX | +--------+ |XX J1 | +-------+ |XXControl | +-------+ |XX | Option Jumper|XX | Block |XX | | 1 | |XX J3 | |XX Power +---------------------------------------------------------+ ********************************************************************** J U M P E R S ********************************************************************** SEAGATE ST406/412/419 MFM PRODUCT DESCRIPTION Jumper Setting ============== Option Jumper Block ------------------- +-+ +-+ | +---+ | 8 | * * | Radial/Daisy chain 7 | * * | RESERVED 6 | * * | RESERVED 5 | * * | RESERVED 4 | * * | Drive Select 4 3 | * * | Drive Select 3 2 | * * | Drive Select 2 1 | * * | Drive Select 1 +-------+ Drive Select ------------ +-------------+------+------+------+------+ |Drive Select | 1 | 2 | 3 | 4 | +-------------+------+------+------+------+ |Drive 1 |CLOSED|OPEN |OPEN |OPEN | |Drive 2 |OPEN |CLOSED|OPEN |OPEN | |Drive 3 |OPEN |OPEN |CLOSED|OPEN | |Drive 4 |OPEN |OPEN |OPEN |CLOSED| +-------------+------+------+------+------+ Radial Connection ----------------- Pin 8 CLOSED Radial OPEN Daisy-chain Factory Reserved ---------------- Pins 5, 6, and 7 are factory reserved.