============================================================================ Maxtor LXT-200A/AT IDE Drive ============================================================================ FEATURES * Storage capacity of 191 megabytes, formatted at 512 bytes/sector * Single PCB, for ease of maintenance * Rotary voice coil actuator and closed loop servo system for fast accurate head positioning * Seperate 16-bit microprocessor controlled servo and spingle motor * Thin film metallic medic for higher bit density and resolution * Brushless DC spindle motor inside hub * Low 40 decibels audible noise * In-line sector sparing, maintains high performance over life of drive. * Self-test diagnostics, ensures reliability of the drive. * 32K cache buffer CAPACITY, UNFORMATTED Per Drive (Mbyte) ............................. 234 Per Surface (Mbyte) ........................... 33.4 CAPACITY, FORMATTED (512 bytes/sector) Per Drive (Mbyte) ............................. 200.5 Per Drive (Megabyte) .......................... 191 Per Surface (Mbyte) ........................... 29.6 Sector/Track Inner Band .................................. 33 Middle Band ................................. 45 Outer Band .................................. 53 TYPICAL SEEK TIME, msec Average ....................................... 15 Track-to-Track ................................ 3 Full Stroke ................................... 30 MAXIMUM SEEK TIME, msec Average ....................................... 16 Track-to-Track ................................ 3 Full Stroke ................................... 30 SCSI BUS TRANSFER RATE Asynchronous .................................. 3 Mbytes/sec Synchronous ................................... 6 Mbytes/sec START/STOP TIME, ...................................... 12 sec DISK DATA RATES (Mbit/sec) Inner Band ..................................... 9.2 Middle Band .................................... 12.6 Outer Band ..................................... 14.8 AVERAGE LATENCY (msec) ................................. 8.3 SCSI OVERHEAD .......................................... 600us ROTATIONAL SPEED (rpm) ................................. 3,600 +/- .5% RECORDING DENSITY (bpi) Inner Band ..................................... 27,780 Middle Band .................................... 28,910 Outer Band ..................................... 27,370 FLUX DENSITY (fci) Inner Band ..................................... 20,840 Middle Band .................................... 21,680 Outer Band ..................................... 20,530 RECORDING METHOD ....................................... 1,7 RLL TRACK DENSITY (tpi) .................................... 1,591 CYLINDERS Physical ....................................... 1,320 Logical ........................................ 1,314 TRACKS ................................................. 9,198 DATA HEADS ............................................. 7 SERVO HEADS ............................................ 1 DISKS .................................................. 4 ACTUATOR TYPE .......................................... Rotary Voice Coil ENVIRONMENTAL SPECIFICATIONS OPERATING NON-OPERATING --------- -------------- Ambient Temp 41 to 122 F -40 to 140 F Max temp Gradient 36 F/hr 36 F/hr Relative Humidity 5 to 80% Noncondensing 5 to 90% Noncondensing Maximum Wet Bulb 80 F 80 F Elevation -1000 ft to 10,000 ft -1000 ft to 40,000 ft Vibration, All Axes .5G 1G Shock, All Axes 3 G No Errors 50 G Audible Noise 40 dB Not Applicable 10 G Recoverable PHYSICAL SPECIFICATIONS Height ........................................ 1.625 in Width ......................................... 4.0 in Depth ......................................... 5.75 in Weight ........................................ 2.2 lbs Shipping Weight ............................... 4.1 lbs RELIABILITY SPECIFICATIONS MTBF .......................................... 50,000 POH PM ............................................ Not Required MTTR .......................................... 20 Minutes Component Design Life ......................... 5 years ERROR RATES Recoverable Errors ............................ Less than 10^11 Bits Read Unrecoverable Errors .......................... Less than 10^15 Bits Read Seek Errors ................................... Less than 10^7 Seeks Error Correction Capability ................... 11 Bits Error Detection Capability .................... 32 Bits Probability of Miscorrected Data .............. Less than 10^21 Bits Read Probability of Misdetected Data ............... Less than 10^16 Bits Read DC POWER REQUIREMENTS Voltage (Nominal) +12 VDC +5 VDC ----------------- -------- -------- Regulation +/- 5% +/- 5% Current 0.6A 0.75A (Typical) Current (Peak) 2.5A .75A Ripple (Peak to Peak) 120 mV 50 mV Seeking (Typical Peak) 1.1A 0.75A Heat Dissipation .............................. 11 Watts (Typical) ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- LXT-xxxA PCB Layout +====+=========+ +==+ +==========+ +===+ +=========+ +=+ +==========+ | | +=+ +==+ +==+ +====+ +==+ +==+ | | J3 | #======================+ | | | J6 | 9 7 5 3 1 | | +===++ +=====+ | +================+ | +=+=+ +===++ |:::#:|<========# | * * * * * | | | +=+ | + +=====+ | | * * * * * | | J5 | +=+ | + | +================+ | | +=+ | + | 10 8 6 4 2 | +=+=+ | + +======================+ +=+=+ | + | +=+ | J1 + | +=+ | + J2 | +=+ | + | +=+ | + | +=+ | + | +=+ | + +=+=+ | + +=+=+ +===++ J4 | +=+ | +=+ To attach an external LED, use pins 9-10=======> +=+=+ +======+ | +==+ +========+ +==+ +======================================================================+ LXT-A Jumper Designations |1-2|3-4|5-6|7-8|9-10| +===================================+===+===+===+===+====* | Master/Slave | | | | | | | Only drive in single drive sys | R | | | | | | Master in dual drive system | R | | | | | | Slave in dual drive system | J | | | | | +===================================+===+===+===+===+====* | Drive Active (System LED) | | J | | | | +===================================+===+===+===+===+====* | Slave Present | | | | | | | One drive in single drive sys | | | R | | | | Master in dual drive system | | | R | | | | Slave in dual drive system | | | O | | | +===================================+===+===+===+===+====* | Two Drive System | | | | | | | One drive in single drive sys | | | | R | | | Master in dual drive sys | | | | J | | | Slave in dual drive sys | | | | R | | +===================================+===+===+===+===+====* | Sync Spindle Pulse Source | | | | | | | If receiving pulse | | | | | R | | If transmitting pulse* | | | | | J | +===================================+===+===+===+===+====+ J=Jumpered R=Removed O=Optional *=This jumper may only be used only on one drive in an array CMOS Configuration: Cyls Hds Write Landing Sec/Trk PreComp Zone 200.5MB Capacity --------------------------------- (191 Million Bytes) 816 15 0 0 32 NOTE: This drive has been factory Low Level Formatted. LXT-200A is a trademark of Maxtor Corporation. AT is a registered trademark of IBM Corporation. Specifications subject to change without notice. Copyright 1992 Maxtor Corporation. ==============================================================================