1 5 9 8 - 1 4 D MICROPOLIS NO MORE PRODUCED Native| Translation ------+-----+-----+----- Form 5.25"/FH Cylinders 1925| | | Capacity form/unform 965/ 1122 MB Heads 14| | | Seek time / track 14.5/ 4.0 ms Sector/track 71| | | Controller SCSI2 DIFFERENTIAL Precompensation Cache/Buffer KB Landing Zone Data transfer rate MB/S int Bytes/Sector 512 5.000 MB/S ext SYNC Recording method RLL operating | non-operating -------------+-------------- Supply voltage 5/12 V Temperature *C 10 50 | -40 65 Power: sleep W Humidity % 10 90 | 10 90 standby 28.0 W Altitude km -0.061 3.048| -0.305 15.250 idle W Shock g 2 | 20 seek 33.0 W Rotation RPM 3600 read/write W Acoustic dBA 47 spin-up W ECC Bit MTBF h 150000 Warranty Month Lift/Lock/Park YES Certificates ********************************************************************** L A Y O U T ********************************************************************** MICROPL. 1590 SERIES TECHNICAL MANUAL 105099 REV. A +---------------------------------------------------------++-+ J2 | +-+W5 || | | +-+ || |ID 2 | +-+W4 || |ID 1 | +-+ |+-+ID 0 | COMPONENT SIDE +-+ |XX | | | |XX | RN9 | |XX J1 | | | |XX | | | |XX | +-+ |XX | +----+ |XX | +----+ |XX | W1 W2 |XX | +---+ |X1 | Frame Ground +---W11 | | Option +-+W28 |XX Power | +-+ |XX J3 +---------------------------------------------------------+ +--------------------------------------+ | +--+J4 | | +--+ | | | | +--+J5 | | +--+ | | J2 J1 J3 | |.......... XXXXXXXXXXXXXXXXXX XXXXXXXX| +-------+++------------------1--------1+ ID210 Power ********************************************************************** J U M P E R S ********************************************************************** MICROPL. 1590 SERIES TECHNICAL MANUAL 105099 REV. A Jumper setting ============== x = Jumpers setting at factory Differential Board ------------------ While jumpers may be located in different locations on the differen- tial board, the nomenclature is consistent with the standard SCSI board. Board markings will identify each option. For example, when a jumper is installed at W2, terminator power is provided by the host system via interface cable J1, pin 26. J2 SCSI ID ----------- +----------+-----------------------+ | SCSI ID | Jumpers | | | ID2 | ID1 | ID0 | +----------+-------+-------+-------+ |x 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| +----------+-------+-------+-------+ Up to eight devices (the host and seven targets) can be attached to the SCSI bus. The 1590 disk drives have three ID jumpers which are used to assign one of the eight SCSI ID bits (0 - 7) to the drive. In multiple-device systems, each drive must have its own unique ID bit. Interface Terminator pack RN9 provides proper termination for the interface, in a multiple-drive system, the terminator pack is installed in the last drive on the system. J2 Operator Panel Option ------------------------- J2, Pin 19 and J2, Pins 21 through 23 are provided for interfacing the drive to a user-supplied operator panel. J2 Pin 19 Logic ground 20 Not used 21 Write Protect Input. Logic Ground disables writing and lights the Write Protect LED. 22 Ready output. Logic ground indicates the drive is Ready and lights the Ready LED. 23 +5V source for the LEDs. J4/J5 Ground Connection ------------------------ 3/16-inch spade lugs J4 and J5 are provided for grounding; system characteristics determine proper ground connection. W1/W2/W11 Bus Termination Power Option --------------------------------------- +-----------------------+------------------------------------+ | Jumpers | | | W1 | W2 | W11 | | +-------+-------+-------+------------------------------------+ | CLOSED| OPEN | OPEN |The drive provides terminator power | | | | |to its on-board terminators | | | | |(Factory default configuration) | +-------+-------+-------+------------------------------------+ | OPEN | CLOSED| OPEN |Terminator power is provided by the | | | | |host via interface cable J1, pin 26 | +-------+-------+-------+------------------------------------+ | OPEN | CLOSED| CLOSED|The drive provides terminator power | | | | |to its on-board terminators and | | | | |also to the SCSI bus via interface | | | | |cable J1, pin 26 (TERMPWR) | +-------+-------+-------+------------------------------------+ Under normal conditions, TERMPWR is sourced by SCSI Initiators. There may be some unique system configurations which needs a target to supply TERMPWR to the cable, W11 is provided for this requirement. W4 Bus Parity Check Option --------------------------- CLOSED The drive neither generates nor detects parity. OPEN The drive generates parity and enables parity detection. (Factory default configuration) W5 Spindle Control Option --------------------------- CLOSED The drive must wait for an interface START UNIT command to start the spindle motor. OPEN The drive automatically starts the spindle motor at power-on. (Factory default configuration) W28 Frame Ground Option ------------------------ CLOSED Frame Ground is connected to logic ground OPEN Frame Ground is not connected to logic ground (Factory default configuration) J3 DC Power and pin connector assignments ------------------------------------------- -------------------+ --+ +-----J3-----+| pin 1 +12 VDC 1| | 4 3 2 1 || pin 2 +12 Volts Return -+ +------------+| pin 3 + 5 Volts Return ------------------+ pin 4 + 5 VDC ********************************************************************** I N S T A L L ********************************************************************** MICROPL. 1590 SERIES TECHNICAL MANUAL 105099 REV. A Notes on installation ===================== Drive mounting -------------- horizontally vertically +-----------------+ +--+ +--+ +------------------+ | | | +-----+ +-----+ | | | x | | | | | | | | x+----------------+x +-+-----------------+-+ | | | | | | ||x x|| +---------------------+ | | | | | | || x x || | | | | | | || x x || x x | | | | | | || x x || +------x------x-------+ | +-----+ +-----+ | || xx || +-+------x--x-------+-+ +--+ +--+ || x x || | xx | || x x || | x x | || x x || +---x--------x----+ |x x| x x x++----------------++x Dimensions and Mounting ----------------------- The 1590 series uses industry-standard mounting techniques for 5 -inch Winchester disk drives. Recommended orientation is vertical on either side, or horizontal with the Device Electronics board down. Mounting Screws --------------- 2 per side 6-32 UNC-2B x 0.156 max deep. 4 on bottom 6-32 UNC-2B x 0.20 max deep. Caution: The mounting screws must be selected so that they do not penetrate the bottom mounting holes more than 0.20 inches and the side mounting holes more than 0.156 inches. Screws that are too long will short to PCBA components and/or prevent proper operation of the shock mount system. Signal Connector J1 ------------------- J1 is a 50-pin connector on the Device Electronics board. Signal interface connection is made via this connector. The signals on J1 include the 8-bit SCSI bus and various control and handshaking lines. Recommended Cable: 3M Scotchflex 3365/50 or equivalent Mating Connector: 3M P/N 3425-3000 or equivalent Multi-Function Connector J2 --------------------------- J2 is a 24-pin connector on the Device Electronics board and is used for connecting the drive to a user-supplied Operator Panel. Power Connector J3 ------------------ J3 is a 4-pin keyed AMP MATE-N-LOCK connector on the Device Electronics board. Both +5V and +12V is supplied to the drive via this connector. Suggested wire size is 18 AWG. Recommended mating connector is AMP 1-480424-0 or equivalent. Recommended pins are AMP PN 60619-4 (loose) 61117-4 (strip) Ground Connectors J4/J5 ----------------------- 3/16-inch spade lugs J4 and J5 are provided for grounding. Systems characteristics determine proper ground connection. Mating Connector: AMP 60972-2 or equivalent Interface Terminator -------------------- Interface Terminator pack RN9 provides proper termination for the interface lines. In multiple-device systems, the terminators are installed in the LAST device on the cable. Multiple 1590 System Configuration ---------------------------------- Drive #1 +------HOST------+ +-----------------+ | +-----------+ +--+-SCSI-BUS-----+ J1 | | |Terminators| | | +------+ J3 J4/J5 | | +-----------+ | | | +--------+--------+ | | | | +------------------+ +----------------+ | | Drive #2 | | | +-----------------+ | +-------+------+ J1 | | | o------+ J3 J4/J5 | | | | +--------+--------+ | | | +------------------+ | | Drive #3 | | | +-----------------+ | +-------+------+ J1 | | | o------+ J3 J4/J5 | | | | +--------+--------+ | | | +------------------+ | | Drive #4 | | | +------------+----+ | +-------+------+ J1 | T | | ---DC-VOLTAGES-----o------+ J3 J4/J5 +----+ | +--------+--------+ | ---GROUND--------------------------+------------------+ T = Terminator Up to seven 1590 drives can be connected to a single host. SINGLE-ENDED Interface Electrical Characteristics ------------------------------------------------- Interface control and status signals are digital (open collector TTL) using industry-standard transmitters and receivers. The assigned signals are terminated with 220 ohms to +5V (nominal) and 330 ohms to ground at each end of the cable. All signals use open-collector or three-state drivers. Single-ended drivers and receivers allow a maximum cable length of six meters (primarily for connection within a cabinet). Signal transmission requires a single 50-conductor (flat or twisted pair) cable. A characteristic impedance of 100 ( 10%) ohms is recommended. a. Input Characteristics 1) Signal true = 0.0 VDC to 0.8 VDC 2) Maximum total input load = -0.4 milliamps at 0.5 VDC 3) Signal false = 2.0 VDC to 5.25 VDC 4) Minimum input hysteresis = 0.2 VDC b. Output Characteristics Each driven signal has the following characteristics when measured at the interface connector. 1) Signal assertion = 0.0 VDC to 0.5 VDC 2) Minimum driver output capability = 48 milliamps (sinking) at 0.5 VDC. 3) Signal negation = 2.5 VDC to 5.25 VDC c. Terminator Power (TERMPWR at Pin 26) Terminator Power has the following requirements: V(TERM) = 4.25 VDC to 5.25 VDC 800 milliamps minimum source drive capability, with 1.0 amp recommended current limiting (e.g., a fuse). 1.0-milliamp maximum bus loading (except for the purposes of providing power to an internal terminator). The drive provides keyed connectors to prevent accidental grounding or misconnection of terminator power. DIFFERENTIAL Interface Electrical Characteristics ------------------------------------------------- Differential interface signals consist of two signal lines which are denoted +SIGNAL and -SIGNAL. A signal is defined as true when the +SIGNAL is more positive than the -SIGNAL. A signal is defined as false when the -SIGNAL is more positive than the +SIGNAL. Differential drivers and receivers allow a maximum cable length of 25 meters. Signal transmission requires a single 50-conductor cable. A characteristic impedance of 100 ( 10%) ohms is recommended for un- shielded flat or twisted pair ribbon cable. A minimum conductor size of 28 AWG should be employed to minimize noise effects and ensure proper distribution of optional terminator power. A stub length of no more than 0.2 meters is allowed off the main-line interconnection within any connected equipment. a. Input Characteristics Each of the drive's signal receivers has the following characteristics when measured at the interface connector. I (input current on either input) = 2.0 milliamps, maximum Note: These characteristics include both receivers and passive drivers. This requirement is met with the input voltage varying between -7V and +12V, with power either on or off, and with hysteresis equaling 35 millivolts, minimum. b. Output Characteristics Each driven signal has the following characteristics when measured at the interface connector. VOL (low-level output voltage) = 1.7V maximum at IOL where IOL = 55 milliamps VOH (high-level output voltage) = 2.7V maximum at IOH where IOH = -55 milliamps VOD (differential voltage) = 1.0V minimum, with common-mode voltage ranges from -7 to +12 VOL and VOH are measured between the output terminal and the SCSI device's logic ground reference. c. Terminator Power (TERMPWR at Pins 25 and 26) Terminator Power has the following requirements: V(TERM) = 4.0 VDC to 5.25 VDC 600 milliamps minimum source drive capability, with 1.0 amp recommended current limiting (e.g., a fuse). 1.0-milliamp maximum bus loading (except for the purposes of providing power to an internal terminator). The drive provides keyed connectors to prevent accidental grounding or misconnection of terminator power. ********************************************************************** F E A T U R E S ********************************************************************** MICROPL. 1590 SERIES TECHNICAL MANUAL 105099 REV. A Media Defects ------------- Media defects are physical characteristics of the media which result in repetitive read error when a functional drive is operated within specified operating conditions. At the time of manufacture, a media test system evaluates every drive and identifies each media defect location. The defects are logged on a label affixed to the drive. The defective areas are identified by head address (HD), cylinder address (CYL), and number of Bytes From Index (BFI). A printed listing of the defects is also shipped with each drive. In addition to listing the defects on the label and the printout, the defects are also mapped on the drive. Seek Time --------- | 1590 | ----------------------------------+--------+ Track-to-Track msec. typ. | 4 | Average msec. typ. | 14.5 | Maximum msec. | 33 | One-Third Stroke msec. max. | 15.5 | Latency msec. avg. | 8.33 | ----------------------------------+--------+ 1598-15S/1595-8S Specifications ------------------------------- The 1598-15S is a short stroke version of the 1590 Series drive specifically engineered for applications requiring very fast access. This is achieved by reducing the total number of accessible cylinders. The 1595-8S is a depopulated version of the 1590 Series drive specifically engineered for applications which require 389 Mbytes and 20 MHz transfer rate at the lowest possible cost. (The other drives require a transfer rate of 15 MHz.) This is achieved by removing three disks and seven data heads. The total cylinders are then adjusted to obtain a capacity of approximately 389 Mbytes. Formatted Capacity Calculation ------------------------------ The formatted capacity of the 1590 Series depends upon a number of user-selectable variables. One critical variable is sparing, either track-oriented or cylinder-oriented. The following formula is used to calculate the formatted capacity (C) of the 1590 Series using cylinder-oriented sparing: C = [(SPT x HDS) - (SPARE_SPC)] x (1925 - 3 - SPARE_CYL) x (BYTES) SPARE SPC is the number of spare sectors per cylinder. This variable is user programmable. The recommended value varies with each drive model as follows: 1598-15 = 12 1597-12 = 9 1595-09 = 7 1598-14 = 11 1596-11 = 9 1595-08 = 6 1597-13 = 10 1596-10 = 8 1594-07 = 6 1925 is the number of physical cylinders. 3 cylinders are used by the drive and are not useraccessible. SPARE CYL is the number of spare cylinders. This variable is user programmable; a typical value for sparing is 3. BYTES is the bytes per sector (e.g., 1024, 512, etc.) Preventive Maintenance ---------------------- Preventive maintenance is not required during normal use. Corrective Maintenance ---------------------- There are no field-replaceable components within the sealed area; therefore, cleanarea integrity MUST NOT be violated. The Micropolis warranty will be invalidated if any of the screws in the Head/Disk Assembly are removed.