W R E N V F H 9 4 1 8 1 - 7 0 2 CDC NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 1546| | | Capacity form/unform 613/ MB Heads 15| | | Seek time / track 16.5/ ms Sector/track | | | Controller SCSI1 SINGLE-ENDED Precompensation 65535 Cache/Buffer 32 KB Landing Zone 1545 Data transfer rate 2.000 MB/S int Bytes/Sector 512 4.700 MB/S ext SYNC Recording method RLL operating | non-operating -------------+-------------- Supply voltage Temperature *C | Power: sleep W Humidity % | standby W Altitude km | idle W Shock g 10 | 32 seek W Rotation RPM read/write W Acoustic dBA spin-up W ECC Bit MTBF h 100000 Warranty Month Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** CDC WREN 5 94181-702 PRODUCT MANUAL 77765336-F 1991 +---------------------------------------------------------+ | |+-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 ********************************************************************** CDC WREN 5 94181-702 PRODUCT MANUAL 77765336-F 1991 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.