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Maxtor LXT-200A/AT IDE Drive
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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)
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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.
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