4 4 2 0 EZI NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 1100| | | Capacity form/unform 335/ 383 MB Heads 11| | | Seek time / track 16.5/ 5.0 ms Sector/track 54| | | Controller SCSI2 SINGLE-ENDED Precompensation Cache/Buffer 32 KB FIFO BUFFER Landing Zone Data transfer rate 1.500 MB/S int Bytes/Sector 512 4.000 MB/S ext SYNC Recording method RLL 2/7 operating | non-operating -------------+-------------- Supply voltage 5/12 V Temperature *C 10 50 | Power: sleep W Humidity % 20 80 | standby W Altitude km | idle W Shock g | seek W Rotation RPM 3558 read/write 27.0 W Acoustic dBA spin-up W ECC Bit 48 MTBF h 40000 Warranty Month Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** EZI MEGAFILE SCSI PRODUCT DESCRIPTION REV. A, AUGUST 1987 +----------------------------------------------xxxxxxxxJ10+ | Terminator xxxxxxxx |XXI | Resistor Packs J9 |XXN | |XXT | |XXE | |XXR | |XXF J1 | |XXA | |XXC | |XXE | |1X | |+-J2 | || |ID | || | | |1-+ | |XX | |XX J3 +---------------------------------------------------------+1 Power +---------+------------------+---------+ | | | | | |X J18 Ground | | | +------------------+ | | | | J3 J2 J1 | | XXXXX xxxxxxx XXXXXXXXXXXXXXXXXXXXXXX| +-1-----1-------1----------------------+ ********************************************************************** J U M P E R S ********************************************************************** EZI MEGAFILE SCSI PRODUCT DESCRIPTIO REV. A, AUGUST 1987 Jumper Setting ============== J9 and J10 Terminators ----------------------- All single-drive systems have terminators J9 and J10 installed. For multi-drive systems, terminators J9 and J10 may only installed in the last drive of a daisychain configuration. All drives are shipped with the terminators installed. J18 Grounding Connector ------------------------ The frame grounding connector (J18) is a Faston AMP P/N 61761-2 tap connector. The recommended mating connector is AMP P/N 62187-1 or equivalent. The hole in the Faston tap accomodates a wire size of 18 AWG. Use of frame ground connection is recommended in order to reduce ground loops which may result in electrical noise problems. J2 Device address selection ---------------------------- +-------------- Parity | +----------- Spindle Control | | +-------- Reset Addr. Filed | | | +----- Write Protected +--+--+ | | | | +-- Reserved +--+--+--+--+--+--+--+--+ |01|03|05|07|09|11|13|15| +--+--+--+--+--+--+--+--+ |02|04|06|08|10|12|14|16| ----+--+--+--+--+--+--+--+--+------PC Board ------------------------------------- Device address selection ------------------------ The address of each MegaFile Series Drive is set by installing the address jumper on J2 on the device electronics board. Each drive must have a unique address. The sequence of addressing is optional. All drives are shipped with address 0 preset. +----------+-----------------------+ | SCSI ID | Jumpers | | | 5-6 | 3-4 | 1-2 | +----------+-------+-------+-------+ | 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| +----------+-------+-------+-------+ J2 7,8 Parity check -------------------- Jumper installed: Parity check enabled J2 9,10 Spindle control ------------------------ Jumper installed: Automatic spin up J2 11,12 Reset option ---------------------- Jumper installed: Hard SCSI reset J2 13,14 Write protect ----------------------- Jumper installed: Drive write protected