S T 3 3 8 5 A SEAGATE NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 3.5"/HH Cylinders | 767| | Capacity form/unform 340/ MB Heads 5| 14| | Seek time / track 12.0/ 4.0 ms Sector/track | 62| | Controller IDE / AT Precompensation Cache/Buffer 256 KB Landing Zone Data transfer rate 4.000 MB/S int Bytes/Sector 512 6.000 MB/S ext Recording method RLL 1/7 operating | non-operating -------------+-------------- Supply voltage 5/12 V Temperature *C 5 55 | -40 70 Power: sleep W Humidity % | standby 1.0 W Altitude km | idle 3.0 W Shock g | seek 5.0 W Rotation RPM 4500 read/write 5.8 W Acoustic dBA spin-up W ECC Bit MTBF h 250000 Warranty Month Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** SEAGATE ST3385A PRODUCT DESCRIPTION +-------------------------------------------------------++-1 | || |J5 | |+-+ | |xx | |XX J7 | | | |XX | I/O |XX | Connector |XX J1 | |XX | |XX +---+ |XX J8 +-+| |XX | || |XX1 1-+| | +---+ +--+ |XX Power | |++| |XX J3 +----------------------------------------------++++-----+ J6 ********************************************************************** J U M P E R S ********************************************************************** SEAGATE ST3385A PRODUCT DESCRIPTION Jumper setting -------------- x = Jumpers are set by factory J5 Master/slave and slave present jumper block ----------------------------------------------- --+----+-- PCB 3|o x|1 4|o o|2 +----+ 1- 2 OPEN One drive only x 3- 4 OPEN 1- 2 CLOSE Drive is slave 3- 4 OPEN 1- 2 OPEN Drive is master with slave present 3- 4 CLOSE If only one drive is installed, do not install any jumper on the master/slave present jumper block. If there are two drives installed on the bus, one must be configured as a master and the other as a slave. No more than two drives can be connected on the AT bus. To configure the drive as a master with slave present, install a jumper on pins 3 and 4 only of the master/slave and slave present jumper block. To configure the drive as a slave, install a jumper on pins 1 and 2 only of the master/slave and slave present jumper block. J6 Factory test ---------------- The pins on this jumper block are used for testing during the manu- facturing process; they are not for field use. J7 Mini power connector ------------------------ --+---------+-- PCB | o o o | +---------+ | | | | | +---- + 5 VDC | +------- +12 VDC +---------- Ground J8 Options jumper block ------------------------ 13 11 9 7 5 3 1 +-------------------+ |o o o o o x| |o o o o o o o| +-------------------+ 12 11 10 8 6 4 2 pin- 3 Removed for key pin- 8 Spindle clock I/O pin 28 pin- 9 Clock ground pin-10 External spindle clock sync. pin-13 Remote LED - pin-14 Remote LED + Note: All other pins are reserved. Do not use them. J8 Remote LED connection -------------------------- If you want to add a remote LED, attach a two-pin, 0.1-inch connector to pins 13 and 14 of the options jumper block. J8 Spindle synchronization --------------------------- Enable pin-28 (SPSYNC-) on the AT Bus Interface connector by install- ing a jumper on pins 8 and 10 of the options jumper block. Connect a twisted pair to pins 9 and 10 of the options jumper block to transmit and receive SPSYNC-. J3 DC Power and pin connector assignments ------------------------------------------- --+------------+-- PCB pin 1 +12 VDC | 1 2 3 4 | pin 2 +12 Volts Return +------------+ pin 3 + 5 Volts Return pin 4 + 5 VDC