S T 4 7 0 2 N W R E N SEAGATE NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 1546| | | Capacity form/unform 601/ 702 MB Heads 15| | | Seek time / track 16.5/ 3.0 ms Sector/track 50| | | Controller SCSI1 SINGLE-ENDED Precompensation Cache/Buffer 32 KB LOOK-AHEAD Landing Zone Data transfer rate 2.000 MB/S int Bytes/Sector 512 4.700 MB/S ext SYNC Recording method RLL 2/7 operating | non-operating -------------+-------------- Supply voltage 5/12 V Temperature *C | Power: sleep W Humidity % | standby W Altitude km | idle W Shock g 10 | 32 seek 21.0 W Rotation RPM 3600 read/write W Acoustic dBA spin-up W ECC Bit MTBF h 100000 Warranty Month 12 Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** SEAGATE ST4702N JUMPER SETTING +---------------------------------------------------------+ | |+-1 | || |J4 | |+-+ | ++ |XX | || |XX | || |XX | Terminator +1 |XX J3 | resistor ++ |XX SCSI | (SIPs) || |XX I/O | || |XX | +1 |XX | ++ |XX | || |XX | || |X1 | +1 | | |XX Power | |XX +---------------------------------------------------------+ 1 ********************************************************************** J U M P E R S ********************************************************************** SEAGATE ST4702N JUMPER SETTING Jumper setting ============== J4 SCSI ID/Option Select Header ------------------------------- * Note: If you have #77701215k silk-screened near the 50-pin SCSI cable connector, the pin-1 for the 3 terminating resistors is away from the DC power connector. +----- |O O O -PWA---+-2--4--6--8--10-12-14-16-+-+ | o o o o o o o o | |O O | o o o o o o o o | +----- +-1--3--5--7--9--11-13-15-+ | | +--+--+ | | | | | | | | +-------- RESERVED (not on all models) | | | | +----------- Parity check enable | | | +-------------- Motor start option enable | | +-------------------- SCSI ID | +-------------------------- Terminator power +----------------------------- Terminator power J4 1-2/3-4 Terminator Power ----------------------------- +-2-4--- +-2-4--- +-2-4--- | X o | o X | o o | X o | o X | xxx +-1-3- +-1-3- +-1-3- Terminator Power Terminator Power Terminator Power from Drive to SCSI Bus from SCSI Bus (DEFAULT) J4 SCSI ID ----------- +----------+-----------------------+ | SCSI ID | Jumpers | | | 5-6 | 7-8 | 9-10 | +----------+-------+-------+-------+ | 0 | OPEN | OPEN | OPEN | +----------+-------+-------+-------+ | 1 | OPEN | OPEN | CLOSED| +----------+-------+-------+-------+ | 2 | OPEN | CLOSED| OPEN | +----------+-------+-------+-------+ | 3 | OPEN | CLOSED| CLOSED| +----------+-------+-------+-------+ | 4 | CLOSED| OPEN | OPEN | +----------+-------+-------+-------+ | 5 | CLOSED| OPEN | CLOSED| +----------+-------+-------+-------+ | 6 | CLOSED| CLOSED| OPEN | +----------+-------+-------+-------+ | 7 | CLOSED| CLOSED| CLOSED| +----------+-------+-------+-------+ J4 11-12 Motor Start Option --------------------------- 11-12 CLOSED Enables the Motor Start Option. In this mode of operation the drive will wait for a Start Unit Command from the Host before starting the Motor. J4 13-14 Parity Check ---------------------- 13-14 CLOSED Parity checking is enabled. DC Power and pin connector assignments -------------------------------------- --+------------+-- pin 1 +12 VDC | 4 3 2 1 | pin 2 +12 Volts Return +------------+ pin 3 + 5 Volts Return pin 4 + 5 VDC Note: Pins on the drive select and configuration select header are provided to facilitate manual drive configuration. No devices other than jumpers should be connected to these pins. Improper connection to external devices (switches, connectors, etc.) could adversely affect drive performance. Exact location of these pins and headers may change without notice.