S T 4 0 3 8 ( 1 9 9 0 ) SEAGATE NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 733| | | Capacity form/unform 31/ 38 MB Heads 5| | | Seek time / track 40.0/ 8.0 ms Sector/track 17| | | Controller MFM / ST412 Precompensation 300 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 25.5 W Shock g | seek W Rotation RPM 3600 read/write W Acoustic dBA spin-up W ECC Bit MTBF h 25000 Warranty Month Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** SEAGATE ST4038/ST4051 PRODUCT DESCRIPTION 6/26/90 +---------------------------------------------------------+ | |XX | |XX J2 | |XX | |XX | 1-+ | | |Option | | |Jumper | +-+ | |XX | |XX J1 | +---------+ |XX | +---------1 |XX | Terminator |XX | |XX | | 1 | |XX J3 | |XX Power +---------------------------------------------------------+ 1 ********************************************************************** J U M P E R S ********************************************************************** SEAGATE ST4038/ST4051 PRODUCT DESCRIPTION 6/26/90 Jumper Setting ============== Option Jumper Block Ground J2 +---------------+ J1 +++ Data Cable 1|o o o o o o o o| Control Cable 1 4 3 2 1 J3 +--XXXXXXXXXXX-+o o o o o o o o+-XXXXXXXXXXXXXXXXXXXXXX--XXXXXXX---+ | +1-2-3-4-+-+-+-++ 5V 12V | | | | | | | | | + Radial +1 | |Drive Select 1 + | +++ | | +-- Recovery Mode ||Terminator | |Drive Select 2 --+ | | +---- Write Fault || | | | +------ Not Connected || | | Drive Select -----+ (OPEN) ++ | (NEVER USED) | Drive Select ------------ Pins 1 CLOSED Drive Select 1 Pins 2 OPEN Pins 2 CLOSED Drive Select 2 Pins 1 OPEN If you use a twisted cable, use Drive Select 2. Drive Select 3 and 4 never used. Radial Configuration -------------------- CLOSED Radial Operation enabled OPEN Daisy-chain mode enabled