Seagate Elite ST43400N User Manual Download Page 1

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Elite Disc Drive

ST43400N/ND

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User’s Manual

Summary of Contents for Elite ST43400N

Page 1: ...Elite Disc Drive ST43400N ND User s Manual...

Page 2: ...ance 39 1992 Seagate Technology Inc All rights reserved Publication Number 83327630 Rev A Seagate Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology Inc EliteTM Se...

Page 3: ...tors are extremely sensitive all semiconductors as well as some resistors and capacitors may be damaged or degraded by exposure to static electricity Electrostatic damage to electronic devices may be...

Page 4: ...hnique Consequently we have not completed any such broad evaluation If you use a non approved procedure or tool first ensure that the method you choose will not risk either your safety or unit perform...

Page 5: ...Seagate takes all reasonable steps to ensure that its products are certifiable to currently accepted standards Typical applications of these disc drives include customer packing and subsystem design S...

Page 6: ...hile you are on hold Technical support specialists are available to answer questions from 8 00 A M to 5 00 P M PST Monday through Friday Recordings are accessible twenty four hours a day seven days a...

Page 7: ...tallation in an enclosure designed for the drive The enclosure design must ensure adequate cooling for the drive and it must address the requirements for grounding and for shielding of emissions The r...

Page 8: ...Outer track 72 800 bytes Formatted capacity 256 byte sectors 2 538 290 688 bytes 512 byte sectors 2 916 687 360 bytes 1 024 byte sectors 3 150 686 208 bytes Number of discs 11 Recording heads 21 Serv...

Page 9: ...msec Typical one track 1 7 msec Typical access times Write Read Typical single track seek msec 1 7 0 9 Average seek msec 11 5 10 5 Maximum seek msec 23 5 22 5 Latency time required to reach a particul...

Page 10: ...ual for a description of interface functions All drive operations are related to data recovery and storage normally referred to as reading and writing The actual reading and writing is performed by he...

Page 11: ...Signals from the drive indicate the beginning of each track The controller uses these signals to determine the position of the head on the track When the head is above the desired track location the...

Page 12: ...aximum wet bulb temperature of 26 o C 79 o F no condensation Barometric pressure 305 m to 3 048 m 1 000 ft to 10 000 ft 104 kPa to 69 kPa 30 in Hg to 20 in Hg Non operating environment unpacked Temper...

Page 13: ...nd orienting the drive or directing the airflow in a way that creates the least amount of airflow resistance while providing airflow above the circuit boards and around the head and disc assembly HDA...

Page 14: ...t Under unit Note Air flow in the direction shown front to back or in reverse direction back to front Above unit Under unit Note Air flow in the direction shown or in reverse direction side to side Fi...

Page 15: ...be mounted on its base or on either side Mounting orientations other than those shown are not permitted The physical dimen sions of the drive and power supply are shown in Figure 5 The drive itself w...

Page 16: ...Installation 11 83 mm 3 25 in 204 72 mm 8 06 in max 70 mm 2 75 in 141 mm 5 57 in 147 mm 5 75 in Drive Power Supply 202 mm 8 00 in Figure 5 Dimensions of the drive and power supply...

Page 17: ...A 2 45A 2 77 A 2 85 A 12 V 1 63A 1 88 A 1 64 A 1 63A 1 88 A 1 66 A Watts 31 21W 35 71 W 33 40 W 31 81W 36 41 W 34 17 W Without Internal With Internal Terminator Terminator Maximum Current Limits 5 V...

Page 18: ...unding requirements A safety ground must be provided by the site AC power system The green wire orgreenwirewithyellowstripe intheACpowercordprovidesthesafetyground connection between the power supply...

Page 19: ...publication 83327640 for guidelines on I O cabling These guidelines discuss the use of unshielded cabling inside cabinets and shielded cabling running between cabinets They also contain information a...

Page 20: ...DB 2 6 DB 3 8 DB 4 10 DB 5 12 DB 6 14 DB 7 16 DB P 18 GROUND 20 GROUND 22 GROUND 24 TERMPWR 26 GROUND 28 GROUND 30 ATN 32 GROUND 34 BSY 36 ACK 38 RST 40 MSG 42 SEL 44 C D 46 REQ 48 I O 50 Notes 1 All...

Page 21: ...B 2 DB 3 9 10 DB 3 DB 4 11 12 DB 4 DB 5 13 14 DB 5 DB 6 15 16 DB 6 DB 7 17 18 DB 7 DB P 19 20 DB P DIFFSENS 21 22 GROUND GROUND 23 24 GROUND TERMPWR 25 26 TERMPWR GROUND 27 28 GROUND ATN 29 30 ATN GRO...

Page 22: ...Open the package and remove the drive from its conductive static shielding bag using the precautions described in the preface 3 Check all items against the shipping bill for required equipment and har...

Page 23: ...supply Attaching an optional bezel Mounting the drive Connecting the system I O cabling Grounding the system Synchronizing the spindle Setting the control board jumpers Caution Do not remove the contr...

Page 24: ...nected Spinup delay equal to the SCSI bus ID multiplied by 10 seconds if the Start Command option jumper is disconnected SD PAR SC SWP Start Command option SC Start spindle according to the Spinup Del...

Page 25: ...itch to the desired range c Reverse the voltage select plate and install the plate on the power supply to lock the switch in the desired range d Replace the existing AC power cable with the AC power c...

Page 26: ...tch On Standby Switch Cooling Fan air inlet Bottom Mounting Screws 4 Ground Strap to cabinet safety ground DC Power Cable Side Mounting Screws 2 on each side AC Power Connector J1 Voltage Select Plate...

Page 27: ...ent the drive and bezel as shown in Figure 9 3 Align the mounting bosses on the rear of the bezel to the matching holes in the drive chassis 4 Press the bezel into place on the drive chassis ensuring...

Page 28: ...Installation 23 Control Board LED Socket LED Plug Active LED Bezel Mounting Boss Chassis Chassis Mounting Holes 2 Figure 9 Attaching a bezel...

Page 29: ...s must not exceed 3 2 mm 0 125 in in length 1 Place the drive into position in the enclosure and secure with four screws as shown in Figure 10 For bottom mounting use 6 32 screws For side mounting use...

Page 30: ...32 Screw Side Mounting Screws 2 on each side NOTE Either side or bottom mounting screws can be used with each drive orientation 1 1 1 2 2 Up Up 1 2 3 4 Drive Pin Power 1 2 3 4 12 VDC 12 Volts return 5...

Page 31: ...this section under Interface require ments ThedrivehasoneI Oconnector J06 onthecontrolboard Figure11showshow a typical I O cable connects to the board If the drive is either the first or last device a...

Page 32: ...nt in the rows of holes located in the control board Ensure that they are installed with the correct orientation indicated by a dot above pin 1 to terminate these drives Terminator Resistor Pak note o...

Page 33: ...ensure that it has resistor pak s installed Section 4 lists resistor pak part numbers Refer to information earlier in this section regarding the terminator power source jumper Grounding the system Gro...

Page 34: ...SP Signal Source Synchronizing the spindle The spindle sync feature makes it possible to synchronize the spindle rotation of a group of disc drives This reduces the latency normally encountered when...

Page 35: ...y a jumper on connector J4A Figure 15 shows the two connectors Foradriveattheendofthedaisychain thecableconnectstooneofthetworows of pins row A or row B and a terminator connects to the other row of p...

Page 36: ...pindle sync Remove the jumper connecting the Master Slave pins on connector J4A The drives are shipped with the pins disconnected Issue that drive a Mode Select command on the SCSI interface The jumpe...

Page 37: ...ter a se quence delay interval The length of this interval equals the SCSI Bus ID number Target ID multiplied by 10 seconds For example SCSI bus ID 0 0 second delay SCSI bus ID 7 70 second delay 2 Obs...

Page 38: ...nitial checkout the drive normally requires no attention from the operator Although power is usually left on as the operator you should know where the on standby switch is located on the power supply...

Page 39: ...fferential unit shown Figure 16 Switches and indicators On Standby Switch Socket for Active LED red Heartbeat LED green Active LED on optional bezel Ready LED green Control Board Drive Power Supply St...

Page 40: ...LED This LED blinks when the SCSI controller is operating green properly If the LED is constantly on or off it indicates one of two things The SCSI controller is not functioning properly The SCSI cont...

Page 41: ...the drive has completed its power on sequence gain access to the drive and check that its Ready LED is on steady and that the Heartbeat LED is blinking see Figure 16 If the Start Command option was s...

Page 42: ...ble there are no field replaceable parts If the drive requires maintenance refer to the instructions in section 5 Within the continental U S you can order accessories from Seagate Technology Inc Custo...

Page 43: ...tape 70553702 Bezel black with green LED cable and double sticky tape 70703929 Spindle sync cable 1 5 foot 0 46 meter long 70703921 Spindle sync cable 3 foot 0 92 meter long 70703922 Spindle sync cabl...

Page 44: ...rsonnel not performing depot repair will damage components and may void the warranty Do not remove the head and disc assembly HDA from the drive chassis Return the entire drive for depot repair if the...

Page 45: ...vethese precautions can result in serious damage to electronic assemblies Warning Be sure that the drive has completed spinning down before removing it from its mounting You may be physically harmed b...

Page 46: ...d move it to the desired location To install a replacement power supply follow the procedures in section 2 Packing a drive for shipment If it is necessary to ship the drive repack the drive with the o...

Page 47: ...42...

Page 48: ...Maintenance 43...

Page 49: ...44 Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 83327630 Rev A...

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